Roland Mathieu
Roland Mathieu
Senior lecturer, (Ph.D, docent/Associate Professor)
Department of Materials Science and Engineering, division of Solid State Physics, Uppsala University.
Senior lecturer, (Ph.D, docent/Associate Professor)
Department of Materials Science and Engineering, division of Solid State Physics, Uppsala University.
Research Interests
Magnetism, magnetotransport, transition metal oxides and strongly correlated electron systems, multiferroics, spin glasses, magnetic nanoparticles, dilute magnetic semiconductors, minerals, magnetic quasicrystals.
Publications
Book chapters
C2. Collective magnetic behavior
R. Mathieu and P. Nordblad,
in "New Trends in Nanoparticle Magnetism"; eds. D. Peddis, and S. Laureti, D. Fiorani.
Springer Series in Materials Science, Springer International Publishing (2021); p. 65.
C1. Exchange bias in dilute magnetic alloys
P. Nordblad, M. Hudl, and R. Mathieu,
in "Exchange Bias: From Thin Film to Nanogranular and Bulk Systems"; ed. S. K. Sharma.
Monograph Series in Physical Sciences, CRC Press (2017); p. 71.
Articles - Some preprints available on the cond-mat preprint archive.
209. Phonon Dynamics and Magneto-Dielectric Relaxation in Distorted Honeycomb Ferrimagnet Ni4Nb2O9: Experiment and First-Principles Study
H. Singh, S. Singh, S. Ghosh, P. Pramanik, V. Sathe, R. Mathieu, W. Prellier, S. Thota,
Phys. Rev. Materials 9, 045202 (2025).
208. Giant Bandgap Reduction of Co3TeO6 via Pressure Engineering
Y. Chen, X. Li, K. Liu, Q. Su, H. Wang, R. Mathieu, S. Ivanov, M. Weil, H. Y. Geng, Z. Zhang, Y. Wang, P. Lazor, L. Liu,
J. Phys. Chem. Lett. 16, 3509 (2025).
207. Engineering Hard Ferrite Composites by Combining Nanostructuring and Al3+ Substitution: from Nano to Dense Bulk Magnets
P. Maltoni, G. Barucca, B. Rutkowski, S. A. Ivanov, N. Yaacoub, A. Mikheenkova, G. Ek, M. Eriksson, B. Almqvist, M. Vasilakaki, G. Varvaro, T. Sarkar, J. A. De Toro, K. Trohidou, D. Peddis, R. Mathieu,
Acta Materialia 282, 120491 (2025).
206. Structural and magnetic properties of the 1/1 Sm-Au-Al and Ho-Au-Al quasicrystal approximants
Y.-C. Huang, F. Denoel, K. K. Thilakan, R. Mathieu, C. Pay Gomez, U. Haussermann,
J. Solid State Chem. 343, 125124 (2025).
205. Reversible phase transitions of Fe0.8Ni1.8Sb0.4O4 spinel up to 50 GPa
Q. Su, R. Mathieu, S. Ivanov, H. Geng, P. Lazor, L. Liu,
204. Structural and magnetic properties of CoFe2O4 nanoparticles in a α-Fe2O3 matrix
P. Maltoni, G. Varvaro, N. Yaacoub, G. Barucca, J. P. Miranda-Murillo, J. Tirabzonlu, S. Laureti, D. Fiorani, R. Mathieu, A. Omelyanchik, D. Peddis,
J. Phys. Chem. C. 129, 591 (2025).
203. Magnetic properties of quenched binary and ternary quasicrystal approximants
F. Denoel, T. Shiino, Y.-C. Huang, G. H. Gebresenbut, C. Pay Gomez, R. Mathieu,
202. Non-Exchange Bias Hysteresis Loop Shifts in Dense Composites of Soft-Hard Magnetic Nanoparticles: New Possibilities for Simple Reference Layers in Magnetic Devices
P. Maltoni, R. Lopez-Martin, E. H. Sanchez, P. S. Normile, M. Vasilakaki, S. S. Lee, B. Santos Burgos, E. A. Lopez del Castillo, D. Peddis, C. Binns, K. Trohidou, R. Mathieu, J. Nogues, J. A. De Toro,
Adv. Compos. Hybrid Mater. 7, 182 (2024).
201. Pressure-induced Metallization in Pb3Mn7O15
Z. Wang, J. Zhang, H. Song, S. Ivanov, R. Mathieu, H. Geng, Z. Ren, P. Lazor, L. Liu,
J. Alloys Compd. 1003, 175624 (2024).
200. Vibrational properties of monoclinic CoTeO4
P. Pramanik, F. Eder, M. Weil, S. A. Ivanov, P. Maltoni, R. Miletich, T. Edvinsson, R. Mathieu,
Phys. Rev. B 110, 054104 (2024).
199. Single-crystal neutron diffraction study on the Ho13.6Au61.1Al25.3 quasicrystal approximant
K. K. Thilakan, F. Denoel, Y.-C. Huang, O. Fabelo, R. Mathieu, C. Pay Gomez, M. Sahlberg,
J. Alloys Compd. 1002, 175263 (2024).
198. Electronic and magnetic structures of a mixed triple perovskite: Ba3NiRuIrO9
S. Kumar, K. Kargeti, D. C. Joshi, G. Das, R. Kumar Patel, J. W. Freeland, L. Olivi, G. Aquilanti, S. D. Kaushik, R. Mathieu, S. K. Panda, D. D. Khalyavin, S. Middey,
Phys. Rev. B 110, 024407 (2024).
197. Magnetic frustration and glassiness in an icosahedral i-Tb-Cd quasicrystal
F. Denoel, D. C. Joshi, Y.-C. Huang, G. H. Gebresenbut, C. Pay Gomez, R. Mathieu,
Phys. Rev. B 109, 184425 (2024).
196. Magnetic property changes of NdGa upon hydrogen absorption
J. Cedervall, V. Schtender, P. Manuel, V. Pomjakushin, R. Mathieu, U. Haussermann, M. S. Andersson,
Phys. Rev. B 109, 134434 (2024).
195. Spin Glass States in multicomponent layered perovskites
P. Pramanik, R. Clulow, D. C. Joshi, A. Stolpe, P. Berastegui, M. Sahlberg, R. Mathieu,
194. Phase Stability and Magnetic Properties of Compositionally Complex n = 2 Ruddlesden-Popper Perovskites
R. Clulow, P. Pramanik, A. Stolpe, D. C. Joshi, R. Mathieu, P. F. Henry, M. Sahlberg,
193. Eu doping in the GdCd7.88 quasicrystal and its approximant crystal GdCd6
F. Denoel, Y.-C. Huang, N. Kondedan, A. Rydh, C. Pay Gomez, R. Mathieu,
192. CoTeO4 – a wide-bandgap material adopting the dirutile structure type
M. Weil, P. Pramanik, P. Maltoni, R. Clulow, A. Rydh, M. Wildner, P. Blaha, G. King, S. A. Ivanov, R. Mathieu, H. Singh,
191. Chemical engineering of cationic distribution in spinel ferrites nanoparticles: the effect on the magnetic properties
M. Baricic, P. Maltoni, G. Barucca, N. Yaacoub, A. Omelyanchik, F. Canepa, R. Mathieu, D. Peddis,
Phys. Chem. Chem. Phys. 26, 6325 (2024).
190. Unraveling Exchange Coupling in Ferrites Nano-heterostructures
P. Maltoni, G. Barucca, B. Rutkowski, M. C. Spadaro, P. E. Jönsson, G. Varvaro, N. Yaacoub, J. A. De Toro, D. Peddis, R. Mathieu,
189. Tunable particle-agglomeration and magnetic coupling in bi-magnetic nanocomposites
P. Maltoni, M.Baricic, G. Barucca, M. C. Spadaro, J. Arbiol, N. Yaacoub, D. Peddis, R. Mathieu,
Phys. Chem. Chem. Phys. 25, 27817 (2023).
188. Concentration and Temperature Dependence of the Structural, Magnetic, and Dielectric Properties of La2Ni(Mn1-xRux)O6 Solid Solutions
P. Pramanik, S. A. Ivanov, D. I. Turkinc, G. V. Bazuev, D. C. Joshi, O. I. Gyrdasova, R. Mathieu
J. Alloys Compd. 968, 171885 (2023).
187. Time and Temperature Dependent Magnetic Viscosity Experiments on Sr/Co Nanoferrite Particles
P. Maltoni, G. Varvaro, M. Abdolrahimi, D. Peddis, and R. Mathieu,
J. Appl. Phys. 133, 163902 (2023).
186. The Cobalt(II) Oxidotellurate(IV) Hydroxides Co2(TeO3)(OH)2 and Co15(TeO3)14(OH)2
F. Eder, M. Weil, P. Pramanik, R. Mathieu,
185. Examination of the critical behavior and magnetocaloric effect of the ferromagnetic Gd-Au-Si quasicrystal approximants
T. Shiino, G. H. Gebresenbut, C. Pay Gomez, U. Haussermann, P. Nordblad, A. Rydh, R. Mathieu,
Phys. Rev. B 106, 174405 (2022).
184. Effect of pseudo-Tsai cluster incorporation on the magnetic structures of R-Au-Si (R = Tb, Ho) Quasicrystal Approximants
G. H. Gebresenbut, T. Shiino, M. S. Andersson, N. Qureshi, O. Fabelo, P. Beran, D. Qvarngard, P. Henelius, A. Rydh, R. Mathieu, P. Nordblad, C. Pay Gomez,
Phys. Rev. B 106, 184413 (2022).
183. Nonequilibrium dynamical behavior in noncoplanar magnets with chiral spin texture
T. Shiino, F. Denoel, G. H. Gebresenbut, C. Pay Gomez, P. Nordblad, R. Mathieu,
Phys. Rev. B Letter 105, L180409 (2022).
182. Irreversible phase transitions of the multiferroic oxide Mn3TeO6 at high pressures
L. Liu, H. Y. Geng, X. Pan, H. X. Song, S. Ivanov, R. Mathieu, M. Weil, Y. Li, X. Li, P. Lazor.
Appl. Phys. Lett. 121, 044102 (2022).
181. Crossover from individual to collective magnetism in dense nanoparticle systems: local anisotropy versus dipolar interactions
E. H. Sanchez, M. Vasilakaki, S. S. Lee, P. S. Normile, M. S. Andersson, R. Mathieu, A. Lopez-Ortega, B. P. Pichon, D. Peddis, C. Binns, P. Nordblad, K. Trohidou, J. Nogues, J. A. De Toro
180. 2D crystal structure and anisotropic magnetism of GdAu6.75-xAl0.5+x (x ≈ 0.54)
D. C. Joshi, G. Gebresenbut, A. Fischer, A. Rydh, U. Häussermann, P. Nordblad, R. Mathieu,
179. Superconducting YAu3Si and antiferromagnetic GdAu3Si with an interpenetrating framework structure built from 16-atom polyhedra
G. H. Gebresenbut, L. Eriksson, U. Häussermann, A. Rydh, R. Mathieu, O. Vekilova, T. Shiino,
178. Singular magnetic dilution behavior in a quasicrystal approximant
T. Shiino, F. Denoel, G. H. Gebresenbut, D. C. Joshi, Y.-C. Huang, C. Pay Gomez, U. Häussermann, A. Rydh, R. Mathieu,
Phys. Rev. B 104, 224411 (2021).
177. Complex correlations between microstructure and magnetic behavior in SrFe12O19 hexaferrite nanoparticles
P. Maltoni, S. A. Ivanov, G. Barucca, G. Varvaro, D. Peddis, R. Mathieu,
176. Compositional dependence of the magnetic state of Co3-xZnxTeO6 solid solutions
T. Sarkar, S. A. Ivanov, M. Weil, R. Clulow, E. Lewin, R. Mathieu,
J. Alloys Compd. 884, 161111 (2021).
175. Exploring the magnetic properties and magnetic coupling in SrFe12O19/Co1-xZnxFe2O4 nanocomposites
P. Maltoni, T. Sarkar, G. Barucca, G. Varvaro, D. Peddis, and R. Mathieu,
J. Magn. Magn. Mater. 535, 168095 (2021).
174. Phase stability and structural transitions in compositionally complex LnMO3 perovskites
J. Cedervall, R. Clulow, H. L. B. Boström, D. C. Joshi, M. S. Andersson, R. Mathieu, P. Beran, R. I. Smith, J.-C. Tseng, M. Sahlberg, P. Berastegui, S. Shafeie,
J. Solid State Chem. 300, 122213 (2021).
173. Memory and superposition in a superspin glass
D. Peddis, K. N. Trohidou, M. Vasilakaki, G. Margaris, M. Bellusci, F. Varsano, M. Hudl, N. Yaacoub, D. Fiorani, P. Nordblad, and R. Mathieu,
172. Tuning the magnetic properties of hard-soft SrFe12O19/CoFe2O4 nanostructures via composition/interphase coupling
P. Maltoni, T. Sarkar, G. Barucca, G. Varvaro, F. Locardi, D. Peddis, and R. Mathieu,
J. Phys. Chem. C 125, 5927 (2021).
171. Synthesis of BaTiO3-CoFe2O4 nanocomposites using a one-pot technique
F. Sayed, D. C. Joshi, G. Kotnana, D. Peddis, T. Sarkar, R. Mathieu,
Inorg. Chim. Acta 520, 120313 (2021).
170. Superconductivity at 1 K in Y–Au–Si quasicrystal approximants
T. Shiino, G. H. Gebresenbut, F. Denoel, R. Mathieu, U. Häussermann, and A. Rydh,
Phys. Rev. B 103, 054510 (2021).
169. Towards bi-magnetic nanocomposites as permanent magnets through the optimization of the synthesis and magnetic properties of SrFe12O19 nanocrystallites
P. Maltoni, T. Sarkar, G. Varvaro, G. Barucca, S. A. Ivanov, D. Peddis, and R Mathieu,
J. Phys. D: Appl. Phys. 54, 124004 (2021).
168. Gamma-Radiation induced synthesis of freestanding nickel nanoparticles
Y. Yang, M. Johansson, A. Wiorek, N. V. Tarakina, F. Sayed, R. Mathieu, M. Jonsson, and I. L. Soroka,
167. Memory and rejuvenation in a quasicrystal
D. C. Joshi, G. Gebresenbut, C. Pay Gomez, R. Mathieu,
Europhys. Lett. (EPL) 132, 27002 (2020).
166. Magnetic polarons and spin glass behavior of insulating La1-xSrxCoO3 (x = 0.125 and 0.15)
P. Anil Kumar, A. Nag , R. Mathieu, R. Das, S. Ray, P. Nordblad, A. Hossain, D. Cherian, D. A. Venero, L. DeBeer-Schmitt, O. Karis, and D. D. Sarma,
Phys. Rev. Research 2, 043344 (2020).
165. Low-temperature anomalies in muon spin relaxation of solid and hollow γ-Fe2O3 nanoparticles: A pathway to detect unusual local spin dynamics
M. Basini, S. Sanna, T. Orlando, L.Bordonali, M. Cobianchi, P. Arosio, M. Mariani, D. Peddis, V. Bonanni, R. Mathieu, T. Kalaivani, G. Singh, J. Larionova, Y. Guari, L. Lartigue, and A. Lascialfari,
Phys. Rev. B 102, 195424 (2020).
164. Partial cation ordering, relaxor ferroelectricity and ferrimagnetism in Pb(Fe1-xYbx)2/3W1/3O3 solid solutions
S. A. Ivanov, D. C. Joshi, A. A. Bush, D. Wang, B. Sanyal, O. Eriksson, P. Nordblad, R. Mathieu,
J. Appl. Phys. 128, 134102 (2020).
163. Random fields and apparent exchange bias in the dilute Ising antiferromagnet Fe0.6Zn0.4F2
D. C. Joshi, P. Nordblad, R. Mathieu,
162. Signatures of a spin-1/2 cooperative paramagnet in the diluted triangular lattice of Y2CuTiO6
S. Kundu, A. Hossain, P. K. Sivakumar, R. Das, M. Baenitz, P. J. Baker, J-.C. Orain, D. C. Joshi, R. Mathieu, P. Mahadevan, S. Pujari, S. Bhattacharjee, A. V. Mahajan and D. D. Sarma,
Phys. Rev. Lett. 125, 117206 (2020).
161. Atomic scale tuning of Tsai-type clusters in RE-Au-Si systems (RE = Gd, Tb, Ho)
G. Gebresenbut, T. Shiino, D. Eklöf, D. C. Joshi, F. Denoel, R. Mathieu, U. Häussermann, C. Pay Gomez,
160. Novel mixed precursor approach to prepare multiferroic nanocomposites with enhanced interfacial coupling
G. Kotnana, F. Sayed, D. C. Joshi, G. Barucca, D. Peddis, R. Mathieu, T. Sarkar,
J. Magn. Magn. Mater. 511, 166792 (2020).
159 LaFeO3-CoFe2O4 bi-magnetic composite thin films prepared using an all-in-one synthesis technique
F. Sayed, G. Kotnana, G. Barucca, G. Muscas, D. Peddis, R. Mathieu, T. Sarkar,
J. Magn. Magn. Mater. 503, 166622 (2020).
158. Symbiotic, low-temperature, and scalable synthesis of bi-magnetic complex oxide nanocomposites
F. Sayed, G. Kotnana, G. Muscas, F. Locardi, A. Comite, G. Varvaro, D. Peddis, G. Barucca, R. Mathieu, and T. Sarkar,
157. Simultaneous individual and dipolar collective properties in binary assemblies of magnetic nanoparticles
E. H. Sanchez, M. Vasilakaki, S. S. Lee, P. S. Normile, G. Muscas, M. Murgia, M. S. Andersson, G. Singh, R. Mathieu, P. Nordblad, P. C. Ricci, D. Peddis, K. N. Trohidou, J. Nogues, J. A. De Toro,
156. Ferromagnetic excess moments and apparent exchange bias in FeF2 single crystals
D. C. Joshi, P. Nordblad, R. Mathieu,
155. Effect of albumin mediated clustering on the magnetic behaviour of MnFe2O4 nanoparticles: experimental and theoretical modeling study
M. Vasilakaki, N. Ntallis, M. Bellusci, F. Varsano, R. Mathieu, D. Fiorani, D. Peddis, K. N. Trohidou,
Nanotechnology 31, 025707 (2020).
154. Bandgap Engineering in Mn3TeO6: Giant Irreversible Bandgap Reduction Triggered by Pressure
L. Liu, H. Skogby, S. A. Ivanov, M. Weil, R. Mathieu, P. Lazor,
Chem. Commun. 55, 12000 (2019).
153. Room temperature ferrimagnetism in Yb-doped relaxor ferroelectric PbFe2/3W1/3O3
D. C. Joshi, S. A. Ivanov, A. A. Bush, T. Sarkar, Z.-G. Ye, P. Nordblad, R. Mathieu,
Appl. Phys. Lett. 115, 072902 (2019).
152. On the structural and magnetic properties of the double perovskite Nd2NiMnO6
J. Cedervall, S. A. Ivanov, E. Lewin, P. Beran, M. S. Andersson, T. Faske, G. V. Bazuev, P. Nordblad, M. Sahlberg, R. Mathieu,
J. Mater. Sci.: Mater. Electron. 30, 16571 (2019).
151. Controlling magnetic coupling in bi-magnetic nanocomposites
F. Sayed, G. Muscas, S. Jovanovic, G. Barucca, F. Locardi, G. Varvaro, D. Peddis, R. Mathieu , T. Sarkar,
150. Cation ordering, ferrimagnetism and ferroelectric relaxor behavior in Pb(Fe1-xScx)2/3W1/3O3 solid solutions
S. A. Ivanov, P. Beran, A. A. Bush, T. Sarkar, S. Shafeie, D. Wang, B. Sanyal, O. Eriksson, M. Sahlberg, Ya. Kvashnin, R. Tellgren, P. Nordblad, R. Mathieu,
Eur. Phys. J. B 92, 163 (2019).
149. Peculiar magnetic states in the double perovskite Nd2NiMnO6
S. Pal, S. Jana, S. Govinda, B. Pal, S. Mukherjee, S. Keshavarz, D. Thonig, Y. Kvashnin, M. Pereiro, R. Mathieu, P. Nordblad, J. W. Freeland, O. Eriksson, O. Karis, D. D. Sarma,
Phys. Rev. B 100, 045122 (2019).
148. Pressure tuning of octahedral tilt in the ordered double perovskite Pb2CoTeO6
L. Liu, S. A. Ivanov, R. Mathieu, M. Weil, X. Li, P. Lazor,
J. Alloys Compd. 801, 310 (2019).
147. Pressure-induced Polymorphism and Piezochromism in Mn2FeSbO6
L. Liu, H. X. Song, X. Li, D. Zhang, R. Mathieu, S. A. Ivanov, H. Skogby, P. Lazor
Appl. Phys. Lett. 114, 162903 (2019).
146. Tunable single-phase magnetic behavior in chemically synthesized AFeO3 - MFe2O4 (A = Bi or La, M = Co or Ni) nanocomposites
T. Sarkar, G. Muscas, G. Barucca, F. Locardi, G. Varvaro, D. Peddis, R. Mathieu,
145. The interplay between single particle anisotropy and interparticle interactions in ensembles of magnetic nanoparticles
G. Muscas, G. Concas, S. Laureti, A. M. Testa, R. Mathieu, J. A. De Toro, C. Cannas, A. Musinu, M. A. Novak, C. Sangregorio, S. S. Lee and D. Peddis,
Phys. Chem. Chem. Phys. 20, 28634 (2018).
144. Temperature-dependent structural and magnetic properties of R2MMnO6 double perovskites (R = Dy, Gd; M = Ni, Co)
S. A. Ivanov, M. S. Andersson, J. Cedervall, E. Lewin, M. Sahlberg, G. V. Bazuev, P. Nordblad, R. Mathieu,
J. Mater. Sci.: Mater. Electron. 29, 18581 (2018).
143. Modification of the structure and magnetic properties of ceramic La2CoMnO6 with Ru doping
S. A. Ivanov, T. Sarkar, G. V. Bazuev, M. V. Kuznetsov, P. Nordblad, R. Mathieu,
J. Alloys Compd. 752, 420 (2018).
142. Surface effects in ultrathin iron oxide hollow nanoparticles: exploring magnetic disorder at the nanoscale
F. Sayed, N. Yaacoub, Y. Labaye, R. Sayed Hassan, G. Singh, P. Anil Kumar, J. M. Greneche, R. Mathieu, G. C. Hadjipanayis, E. Agostinelli, and D. Peddis,
J. Phys. Chem. C 122, 7516 (2018).
141. Monte Carlo study of the superspin glass behavior of interacting ultrasmall ferrimagnetic nanoparticles
M. Vasilakaki, G. Margaris, D. Peddis, R. Mathieu, N. Yaacoub, D. Fiorani, and K. N. Trohidou,
Phys. Rev. B 97, 094413 (2018).
140. Ba3MIr2O9 hexagonal perovskites in the light of spin-orbit coupling and local structural distortion
A. Nag, S. Bhowal, F. Bert, A. D. Hillier, M. Itoh, I. Carlomagno, C. Meneghini, T. Sarkar, R. Mathieu, I. Dasgupta, and S. Ray,
Phys. Rev. B 97, 064408 (2018).
139. Glassy behavior of diluted Cu-Zn Ferrites
S. Akhter, M. A. Hakim, S. M. Hoque, R. Mathieu, and P. Nordblad,
J. Magn. Magn. Mater. 452, 261 (2018).
138. Remanence plots as a probe of spin disorder in magnetic nanoparticles
J. A. De Toro, M. Vasilakaki, S. S. Lee, M. S. Andersson, P. S. Normile, N. Yaacoub, P. Murray, E. H. Sanchez, P. Muniz, D. Peddis, R. Mathieu, K. Liu, J. Geshev, K. N. Trohidou, and J. Nogues,
137. Magnetic phase diagram of Co(Cr1-xAlx)2O4 (x = 0.0-1.0)
R. Padam, T. Sarkar, R. Mathieu, S. Thota, and D. Pal,
J. Appl. Phys. 122, 073908 (2017).
136. Perovskite solid solutions La0.75Bi0.25Fe1-xCrxO3: preparation, structural, and magnetic properties
S. A. Ivanov, P. Beran, G. Bazuev, R. Tellgren, T. Sarkar, P. Nordblad, and R. Mathieu,
J. Solid State Chem. 254, 166 (2017).
135. Radiation-induced synthesis of Co-, Ni- based electrocatalysts on carbon for oxygen reduction reaction
I. L. Soroka, N. V. Tarakina, A. Hermansson, L. Bigum, R. Widerberg, M. S. Andersson, R. Mathieu, A. R. Paulraj, and Y. Kiros,
Dalton Trans. 46, 9995 (2017).
134. Substitution mechanism and structural study of Ag-doped LiCu2O2
R. Tellgren, S. A. Ivanov, A. A. Bush, P. Anil Kumar, P. Nordblad, and R. Mathieu,
Solid State Sci. 70, 36 (2017).
133. Magnetic properties of nanoparticles compacts with controlled broadening of the particle size distribution
M. S. Andersson, R. Mathieu, P. S. Normile, S. S. Lee, G. Singh, P. Nordblad, and J. A. De Toro,
Phys. Rev. B 95, 184431 (2017).
132. Twinned domain induced magnonic modes in epitaxial LSMO/STO films
E. Wahlström, F. Macia, J. E. Boschker, A. Monsen, P. Nordblad, R. Mathieu, A. D. Kent, and T. Tybell,
New J. Phys. 19, 063002 (2017).
131. Composition dependence of the multifunctional properties of Nd-doped Bi4Ti3O12 ceramics
S. A. Ivanov, T. Sarkar, E. A. Fortalnova, E. D. Politova, S. Yu. Stefanovich, M. G. Safronenko, P. Nordblad, R. Mathieu,
J. Mater. Sci.: Mater. Electron. 28, 7692 (2017).
130. New insights into the multiferroic properties of Mn3TeO6
S. A. Ivanov, C. Ritter, P. Nordblad, R. Tellgren, M. Weil, V. Carolus, Th. Lottermoser, M. Fiebig, and R. Mathieu,
J. Phys. D: Appl. Phys. 50, 085001 (2017).
129. The role of Tb-doping on the structural and functional properties of Bi4-xTbxTi3O12 ferroelectric phases with the Aurivillius type structure
T. Sarkar, S. A. Ivanov, E. Fortalnova, E. Politova, M. Safronenko, P. Nordblad, and R. Mathieu,
J. Mater. Sci.: Mater. Electron. 28, 4914 (2017).
128. Evolution of the structural and multiferroic properties of PbFe2/3W1/3O3 ceramics upon Mn-doping
S. A. Ivanov, A. A. Bush, C. Ritter, M. A. Behtin, V. M. Cherepanov, C. Autieri, Y. O. Kvashnin, I. Di Marco, B. Sanyal, O. Eriksson, P. Anil Kumar, P. Nordblad, and R. Mathieu,
Mater. Chem. Phys. 187, 218 (2017).
127. Superspin glass state in a diluted nanoparticle system stabilized by interparticle interactions mediated by an antiferromagnetic matrix
G. Margaris, M. Vasilakaki, D. Peddis, K. N. Trohidou, S. Laureti, C. Binns, E. Agostinelli, D. Rinaldi, R. Mathieu, and D. Fiorani,
Nanotechnology 28, 035701 (2017).
126. Composition driven structural transition in La2-xSrxCuRuO6 (0 ≤ x ≤ 1) double perovskites
P. Anil Kumar, S. A. Ivanov, C. Ritter, R. Vijayaraghavan, R. Mathieu, P. Nordblad, N. Sadovskaya and D. D. Sarma,
J. Alloys Compd. 693, 1096 (2017).
125. Thermally induced magnetic relaxation in square artificial spin ice
M. S. Andersson, S. D. Pappas, H. Stopfel, E. Östman, A. Stein, P. Nordblad, R. Mathieu, B. Hjörvarsson, and V. Kapaklis,
124. Spin and dipole order in geometrically frustrated mixed-valence manganite Pb3Mn7O15
S. A. Ivanov, A. A. Bush, M. Hudl, A. I. Stash, G. André, R. Tellgren, V. M. Cherepanov, A. V. Stepanov, K. E. Kamentsev, Y. Tokunaga, Y. Taguchi, Y. Tokura, P. Nordblad, and R. Mathieu,
J. Mater. Sci.: Mater. Electron. 27, 12562 (2016).
123. Demagnetization effects in dense nanoparticle assemblies
P. S. Normile, M. S. Andersson, R. Mathieu, S. S. Lee, G. Singh, and J. A. De Toro,
Appl. Phys. Lett. 109, 152404 (2016).
122. Studying nanoparticle's 3D shape by aspects maps: determination of morphology of bacterial magnetic nanoparticles
D. Peddis, G. Muscas, R. Mathieu, P. Anil Kumar, G. Varvaro, G. Singh, I. Orue, D. Gil-Carton, L. Marcano, A. Muela, and M. L. Fdez-Gubieda,
Farad. Discuss. 191, 177 (2016).
121. Polar order and frustrated antiferromagnetism in perovskite Pb2MnWO6 single crystals
S. A. Ivanov, A. A. Bush, A. I. Stash, K. E. Kamentsev, V. Ya. Shkuratov, Y. O. Kvashnin, C. Autieri, I. Di Marco, B. Sanyal, O. Eriksson, P. Nordblad, and R. Mathieu,
120. Thermal evolution of the spin ordering at the concomitant spin-orbital rearrangement temperature in RVO3 (R = Lu, Yb, and Tm)
T. Sarkar, S. A. Ivanov, G. V. Bazuev, P. Nordblad and R. Mathieu,
J. Magn. Magn. Mater. 409, 87 (2016).
119. Particle size-dependent superspin glass behavior in random compacts of monodisperse maghemite nanoparticles
M. S. Andersson, R. Mathieu, P. S. Normile, S. S. Lee, G. Singh, J. A. De Toro, and P. Nordblad,
Mater. Res. Express 3, 045015 (2016).
118. Effects of the individual particle relaxation time on superspin glass dynamics
M. S. Andersson, J. A. De Toro, S. S. Lee, P. S. Normile, P. Nordblad, and R. Mathieu,
Phys. Rev. B 93, 054407 (2016).
117. Tunable exchange bias in dilute magnetic alloys - chiral spin glasses
M. Hudl, R. Mathieu, and P. Nordblad,
116. Origin of the spin-orbital liquid state in a nearly J=0 iridate Ba3ZnIr2O9
A. Nag, S. Middey, S. Bhowal, S. K. Panda, R. Mathieu, J. C. Orain, F. Bert, P. Mendels, P. G. Freeman, M. Mansson, H. M. Ronnow, M. Telling, P. K. Biswas, D. Sheptyakov, S. D. Kaushik, V. Siruguri, C. Meneghini, D. D. Sarma, I. Dasgupta, and S. Ray,
Phys. Rev. Lett. 116, 097205 (2016).
115. Designing new manganite/ferrite nanocomposites
G. Muscas, P. Anil Kumar, G. Barucca, G. Concas, G. Varvaro, R. Mathieu, and D. Peddis,
114. Study of coexisting phases in Bi-doped La0.67Sr0.33MnO3
N. Kambhala, M. Chen, P. Li, X. Zhang, D. Rajesh, K. S. Bhagyashree, L. R. Goveas, S. V. Bhat, P. Anil Kumar, R. Mathieu, and S. Angappane,
J. Magn. Magn. Mater. 406, 22 (2016).
113. Magnetic compensation, field-dependent magnetization reversal, and complex magnetic ordering in Co2TiO4
S. Nayak, S. Thota, D. C. Joshi, M. Krautz, A. Waske, A. Behler, J. Eckert, T. Sarkar, M. S. Andersson, R. Mathieu, V. Narang and M. S. Seehra,
Phys. Rev. B 92, 214434 (2015).
112. Neutron powder diffraction study of Ba3ZnRu2-xIrxO9 (x = 0, 1, 2) with 6H-type perovskite structure
P. Beran, S. A. Ivanov, P. Nordblad, S. Middey, A. Nag, D. D. Sarma, S. Ray, and R. Mathieu,
Solid State Sci. 50, 58 (2015).
111. Magnetic anisotropy and magnetization dynamics of Fe nanoparticles embedded in Cr and Ag matrices
D. Peddis, M. T. Qureshi, S. H. Baker, C. Binns, M. Roy, S. Laureti, D. Fiorani, P. Nordblad, and R. Mathieu,
110. Size-dependent surface effects in maghemite nanoparticles and its impact on interparticle interactions in dense assemblies
M. S. Andersson, R. Mathieu, S. S. Lee, P. S. Normile, G. Singh, P. Nordblad, and J. A. De Toro,
Nanotechnology 26, 475703 (2015).
109. Successive phase transitions in the orthovanadate TmVO3
T. Sarkar, S. A. Ivanov, G. V. Bazuev, P. Nordblad and R. Mathieu,
J. Phys. D: Appl. Phys. 48, 345003 (2015).
108. Structural and magnetic properties of nickel antimony ferrospinels
S. A. Ivanov, R. Tellgren, F. Porcher, G. Andre, T. Ericsson, P. Nordblad, N. Sadovskaya, G. Kaleva, E. Politova, M. Baldini, C. Sun, D. Arvanitis, P. Anil Kumar, and R. Mathieu,
Mater. Chem. Phys. 158, 127 (2015).
107. Crystal Structure and Antiferromagnetic Spin Ordering of LnFe2/3Mo1/3O3 (Ln = Nd, Pr, Ce, La) Perovskites
S. A. Ivanov, P. Beran, G. V.Bazuev, T. Ericsson, R. Tellgren, P. Anil Kumar, P. Nordblad, and R. Mathieu
Phys. Rev. B 91, 094418 (2015).
106. Tuning the size and shape of oxide nanoparticles by controlling oxygen content in the reaction environment: morphological analysis by aspect maps
G. Muscas, G. Singh, W. R. Glomm, R. Mathieu, P. Anil Kumar, G. Concas, E. Agostinelli and D. Peddis,
105. On the nature of magnetic state in the spinel Co2SnO4
S. Thota, V. Narang, S. Nayak, S. Sambasivam, B. C. Choi, T. Sarkar, M. S. Andersson, R. Mathieu and M. S. Seehra,
J. Phys.: Condens. Matter 27, 166001 (2015).
104. PPMS-based set-up for Raman and luminescence spectroscopy at high magnetic field, high pressure and low temperature
M. Hudl, P. Lazor, R. Mathieu, A. G. Gavriliuk and V. V. Struzhkin,
EPJ Tech. Instrum. 2, 3 (2015).
103. Structure and Magnetism in Hexagonal Tungsten Bronze Metal Oxides AM1/3W8/3O9 (A - K, Rb, Cs; M - Cr, Fe)
S. A. Ivanov, J. R. Sahu, V. I. Voronkova, R. Mathieu, and P. Nordblad,
Solid State Sci. 40, 44 (2015).
102. Point contact investigations of film and interface magnetoresistance of La0.7Sr0.3MnO3 heterostructures on Nb:SrTiO3
Å. Monsen, J. E. Boschker, P. Nordblad, R. Mathieu, T. Tybell, and E. Wahlström,
J. Magn. Magn. Mater. 374, 433 (2015).
101. Ageing dynamics of a superspin glass
M. S. Andersson, J. A. de Toro, S. S. Lee, R. Mathieu, and P. Nordblad,
Europhys. Lett. 108, 17004 (2014).
100. Superspin glass state and exchange bias in amorphous Fe/Fe-O core/shell nanoparticles
P. Anil Kumar, G. Singh, W. R. Glomm, D. Peddis, E. Wahlström, and R. Mathieu,
Mater. Res. Express 1, 036103 (2014).
99. Synthesis and in vitro cellular interactions of superparamagnetic iron nanoparticles with a crystalline gold shell
S. Bandyopadhyay, G. Singh, I. Sandvig, A. Sandvig, R. Mathieu, P. Anil Kumar, and W. R. Glomm,
Appl. Surf. Sci. 316, 171 (2014).
98. Thickness dependence of dynamic and static magnetic properties of pulsed laser deposited La0.7Sr0.3MnO3 films on SrTiO3 (001)
Å. Monsen, J. E. Boschker, F. Macia, J. Wells, P. Nordblad, A. Kent, R. Mathieu, T. Tybell, and E. Wahlström,
J. Magn. Magn. Mater. 369, 197 (2014).
97. Temperature evolution of structural and magnetic properties of stoichiometric LiCu2O2: correlation of thermal expansion coefficient and magnetic order
S. A. Ivanov, P. Anil Kumar, R. Mathieu, A. A. Bush, M. Ottosson, and P. Nordblad,
Solid State Sci. 34, 97 (2014).
96. Tunability in Crystallinity and Magnetic Properties of Core–Shell Fe Nanoparticles
G. Singh, P. Anil Kumar, C. Lundgren, A. T. J. van Helvoort, R. Mathieu, E. Wahlström, and W. R. Glomm,
Part. Part. Syst. Charact. 31, 1054 (2014).
95. Magnetic and Magnetocaloric Properties of Cu1-xZnxFe2O4 (x=0.6, 0.7, 0.8) Ferrites
S. Akhter, D. P. Paul, S. M. Hoque, M. A. Hakim, M. Hudl, R. Mathieu, and P. Nordblad,
J. Magn. Magn. Mater. 367, 75 (2014).
94. Reentrant superspin glass phase in the La0.82Ca0.18MnO3 ferromagnetic insulator
P. Anil Kumar, R. Mathieu, P. Nordblad, S. Ray, O. Karis, G. Andersson, and D. D. Sarma,
Phys. Rev. X 4, 011037 (2014).
93. Crystal growth experiments in the systems Ni2MSbO6(M = Sc, In) using chemical vapour transport reactions: Ni2InSbO6 and NiSb2O6 crystals in the millimetre range
M. Weil, R. Mathieu, P. Nordblad, and S. A. Ivanov,
Cryst. Res. Technol. 49, 142 (2014).
92. Chemical pressure effects on structural, dielectric and magnetic properties of solid solutions Mn3-xCoxTeO6
S. A. Ivanov, R. Mathieu, P. Nordblad, C. Ritter, R. Tellgren, N. Golubko, A. Mosunov, E. D. Politova, and M. Weil,
Mater. Res. Bull. 50, 42 (2014).
91. Memory effects on the magnetic behaviour of assemblies of nanoparticles with ferromagnetic core/antiferromagnetic shell morphology
M. Vasilakaki, K. N. Trohidou, D. Peddis, D. Fiorani, R. Mathieu, M. Hudl, P. Nordblad, C. Binns, and S. Baker,
Phys. Rev. B 88, 140402(R) (2013).
90. Enhancement of antiferromagnetic interaction and transition temperature in M3TeO6 systems (M = Mn, Co, Ni, Cu)
R. Mathieu, S. A. Ivanov, P. Nordblad, and M. Weil,
Eur. Phys. J. B 86, 361 (2013).
89. Electronic superlattice revealed by resonant scattering from random impurities in Sr3Ru2O7
M. A. Hossain, I. Zegkinoglou, Y. -D. Chuang, J. Geck, B. Bohnenbuck, A. G. Cruz Gonzalez, H. -H. Wu, C. Schuβler-Langeheine, D. G. Hawthorn, J. D. Denlinger, R. Mathieu, Y. Tokura, S. Satow, H. Takagi, Y. Yoshida, Z. Hussain, B. Keimer, G. A. Sawatzky, and A. Damascelli,
88. Phase transition in a super superspin glass
R. Mathieu, J. A. De Toro, D. Salazar, S. S. Lee, J. L. Cheong, and P. Nordblad,
Europhys. Lett. 102, 67002 (2013).
87. High-temperature structural phase transition in multiferroic LiCu2O2
K. E. Kamentsev, A. A. Bush, E. A. Tishchenko, S. A. Ivanov, M. Ottosson, R. Mathieu, and P. Nordblad,
J. Exp. Theor. Phys. 117, 320 (2013).
86. Formation of two-dimensionally confined superparamagnetic (Mn,Ga)As nanocrystals in high temperature annealed (Ga,Mn)As/GaAs superlattices
J. Sadowski, J. Z. Domagala, R. Mathieu, A. Kovacs, and P. Dluzewski,
J. Phys.: Condens. Matter 25, 196005 (2013).
85. Spin and dipole ordering in Ni2InSbO6 and Ni2ScSbO6 with corundum-related structure
S. A. Ivanov, R. Mathieu, P. Nordblad, R. Tellgren, C. Ritter, E. Politova, G. Kaleva, A. Mosunov, S. Stefanovich , and M. Weil,
84. Mn2FeSbO6: a ferrimagnetic ilmenite and an antiferromagnetic perovskite
R. Mathieu, S. A. Ivanov, I. V. Solovyev, G. V. Bazuev, P. Anil Kumar, P. Lazor, and P. Nordblad
Phys. Rev. B 87, 014408 (2013).
83. Investigation of the magnetic and magnetocaloric properties of the Mn2FeSbO6 ilmenite
M. Hudl, R. Mathieu, P. Nordblad, S. A. Ivanov, G. V. Bazuev, and P. Lazor,
J. Magn. Magn. Mater. 331, 193 (2013).
82. Preparation, electric conductivity and magnetic susceptibility of (Ba1-xBix)(Mn0.5+x/2Nb0.5-x/2)O3 solid solutions
G. M. Kaleva, E. D. Politova, S. A. Ivanov, A. V. Mosunov, R. Mathieu, P. Nordblad, and P. Anil Kumar
81. In-plane structural order of domain engineered La0.7Sr0.3MnO3 thin films
J. E. Boschker, Å. F. Monsen, M. Nord, R. Mathieu, J. K. Grepstad, R. Holmestad, E. Wahlström and T. Tybell,
80. Ferrimagnetism, antiferromagnetism and magnetic frustration in La2-xSrxCuRuO6 (0 ≤ x ≤ 1)
P. Anil Kumar, R. Mathieu, R. Vijayaraghavan, S. Majumdar, O. Karis, P. Nordblad, B. Sanyal, O. Eriksson and D. D. Sarma,
Phys. Rev. B 86, 094421 (2012).
79. Preparation, structural, dielectric and magnetic properties of LaFeO3-PbTiO3 solid solutions
S. A. Ivanov, R. Tellgren, F. Porcher, T. Ericsson, A. Mosunov, P. Beran, S. K. Korchagina, P. Anil Kumar, R. Mathieu and P. Nordblad,
Mater. Res. Bull. 47, 3253 (2012).
78. Mott versus Slater-type metal-insulator transition in Mn-substituted Sr3Ru2O7
M. A. Hossain, B. Bohnenbuck, Y. D. Chuang, M. W. Haverkort, I. S. Elfimov, A.Tanaka, A. G. Cruz Gonzalez, Z. Hu, H.-J. Lin, C. T. Chen, R. Mathieu, Y. Tokura, Y. Yoshida, L. H. Tjeng, Z. Hussain, B. Keimer, G. A. Sawatzky, and A. Damascelli,
Phys. Rev. B 86, 041102(R) (2012).
77. Near room-temperature colossal magnetodielectricity and multiglass properties in partially-disordered La2NiMnO6
D. Choudhury, P. Mandal, R. Mathieu, A. Hazarika, S. Rajan, A. Sundaresan, U. W. Waghmare, R. Knut, O. Karis, P. Nordblad, and D. D. Sarma,
Phys. Rev. Lett. 108, 127201 (2012).
76. Temperature-dependent multi-k magnetic structure in multiferroic Co3TeO6
S. A. Ivanov, R. Tellgren, C. Ritter, P. Nordblad, R. Mathieu, G. André, N. V. Golubko, E. D. Politova, and M. Weil,
Mater. Res. Bull. 47, 63 (2012).
75. Structural and magnetic properties of Mn3-xCdxTeO6 (x = 0, 1, 1.5 and 2)
S. A. Ivanov, R. Mathieu, P. Nordblad, E. Politova, R. Tellgren, C. Ritter, and V. Proidakova,
J. Magn. Magn. Mater. 324, 1637 (2012).
74. Phase Transitions of (Cu,Ni)3TeO6 Solid Solutions
G. M. Kaleva, E. D. Politova, S. A. Ivanov, A. V. Mosunov, S. Yu. Stefanovich, N. V. Sadovskaya, R. Mathieu, and P. Nordblad,
Inorg. Mater. 47, 1132 (2011).
73. Complex magnetism and magnetic field-driven electrical polarization in Co3TeO6
M. Hudl, R. Mathieu, S. A. Ivanov, M. Weil, V. Carolus, T. Lottermoser, M. Fiebig, Y. Tokunaga, Y. Taguchi, Y. Tokura, and P. Nordblad,
Phys. Rev. B 84, 180404(R) (2011).
72. Short-range spin order and frustrated magnetism in Mn2InSbO6 and Mn2ScSbO6
S. A. Ivanov, P. Nordblad, R. Mathieu, R. Tellgren, E. Politova, and G. André,
Eur. J. Inorg. Chem. 2011, 4691 (2011).
71. Magnetic order near 270K in mineral and synthetic Mn2FeSbO6 ilmenite
R. Mathieu, S. A. Ivanov, G. V. Bazuev, M. Hudl, P. Lazor, I. V. Solovyev, and P. Nordblad,
Appl. Phys. Lett. 98, 202505 (2011).
70. New type of incommensurate magnetic ordering in Mn3TeO6
S. A. Ivanov, P. Nordblad, R. Mathieu, R. Tellgren, C. Ritter, N. Golubko, E. D. Politova, and M. Weil,
Mater. Res. Bull. 46, 1870 (2011).
69. Formation process and superparamagnetic properties of (Mn,Ga)As nanocrystals in GaAs fabricated by annealing of (Ga,Mn)As layers with low Mn content
J. Sadowski, J. Z. Domagala, R. Mathieu, A. Kovács, T. Kasama, R. E. Dunin-Borkowski, and T. Dietl,
Phys. Rev. B 84, 245306 (2011).
68. Voids and Mn-rich inclusions in a (Ga,Mn)As ferromagnetic semiconductor investigated by transmission electron microscopy
A. Kovács, J. Sadowski, T. Kasama, J. Domagala, R. Mathieu, T. Dietl, and R. E. Dunin-Borkowski,
J. Appl. Phys. 109, 083546 (2011).
67. Influence of the A cation on the low-temperature antiferromagnetism of ordered antiferroelectric A2CoTeO6 perovskites
R. Mathieu, S. A. Ivanov, R. Tellgren, and P. Nordblad,
Phys. Rev. B 83, 174420 (2011).
66. Tuning of dielectric properties and magnetism of SrTiO3 by site-specific doping of Mn
D. Choudhury, S. Mukherjee, P. Mandal, A. Sundaresan, U. V. Waghmare, S. Bhattacharjee, R. Mathieu, P. Lazor, O. Eriksson, B. Sanyal, P. Nordblad, A. Sharma, S. V. Bhat, O. Karis, and D. D. Sarma,
Phys. Rev. B 84, 125124 (2011).
65. Structural and magnetic properties of the ordered perovskite Pb2CoTeO6
S. A. Ivanov, P. Nordblad, R. Mathieu, R. Tellgren, and C. Ritter,
Dalton Trans. 39, 11136 (2010).
64. Isothermal remanent magnetization and the spin dimensionality of spin glasses
R. Mathieu, M. Hudl, P. Nordblad, Y. Tokunaga, Y. Kaneko, Y. Tokura, H. Aruga Katori, and A. Ito,
Philos. Mag. Lett. 90, 723 (2010).
63. Memory and rejuvenation in a spin glass
R. Mathieu, M. Hudl, and P. Nordblad
Europhys. Lett. 90, 67003 (2010).
62. Neutron diffraction studies and the magnetism of an ordered perovskite: Ba2CoTeO6
S. A. Ivanov, P. Nordblad, R. Mathieu, R. Tellgren, and C. Ritter,
Dalton Trans. 39, 5490 (2010).
61. Local structure properties of 0.5BiMnO3-0.5ATiO3 (A = Ba or Sr)
S. T. Norberg, S. Hull, R. Mathieu, and S. G. Eriksson,
Chem. Commun. 46, 1455 (2010).
60. Electronic self-organization in the single-layer manganite Pr1-xCa1+xMnO4
F. Ye, S. Chi, J. A. Fernandez-Baca, A. Moreo, E. Dagotto, J. W. Lynn, R. Mathieu, Y. Kaneko, Y. Tokura, and P. Dai,
Phys. Rev. Lett. 103, 167202 (2009).
59. Crystal-field level inversion in lightly Mn-doped Sr3Ru2O7
M. A. Hossain, Z. Hu, M. W. Haverkort, T. Burnus, C. F. Chang, S. Klein, J. D. Denlinger, H. -J. Lin, C. T. Chen, R. Mathieu, Y. Kaneko, Y. Tokura, S. Satow, Y. Yoshida, H. Takagi, A. Tanaka, I. S. Elfimov, G. A. Sawatzky, L. H. Tjeng, and A. Damascelli,
Phys. Rev. Lett. 101, 016404 (2008).
58. The nanoscale phase separation in hole-doped manganites
R. Mathieu and Y. Tokura,
J. Phys. Soc. Jpn. 76, 124706 (2007).
57. Coexistence of long-ranged charge- and orbital order and spin-glass state in single-layered manganites with weak quenched disorder
R. Mathieu, J. P. He, X. Z. Yu, Y. Kaneko, M. Uchida, Y. S. Lee, T. Arima, A. Asamitsu, and Y. Tokura,
Europhys. Lett. 80, 37001 (2007).
56. Logarithmic growth law in the two-dimensional Ising spin glass state resulting from the electron doping in single-layered manganites
R. Mathieu, J. P. He, Y. Kaneko, H. Yoshino, A. Asamitsu, and Y. Tokura,
Phys. Rev. B 76, 014436 (2007).
55. Effect of antiferromagnetic spin correlations on lattice distortion and charge ordering in Pr0.5Ca1.5MnO4
S. Chi, F. Ye, P. Dai, J. A. Fernandez-Baca, Q. Huang, J. W. Lynn, E. W. Plummer, R. Mathieu, Y. Kaneko, and Y. Tokura,
Proc. Natl. Acad. Sci. U.S.A. (PNAS) 104, 10796 (2007).
54. Absence of conventional spin-glass transition in the Ising dipolar system LiHoxY1-xF4
P. E. Jönsson, R. Mathieu, W. Wernsdorfer, A. Tkachuk, and B. Barbara,
Phys. Rev. Lett. 98, 256403 (2007).
53. Variation of charge/orbital ordering in layered manganites Pr1-xCa1+xMnO4 as investigated by transmission-electron-microscopy
X. Z. Yu, R. Mathieu, T. Arima, Y. Kaneko, J. P. He, M. Uchida, T. Asaka, T. Nagai, K. Kimoto, A. Asamitsu, Y. Matsui, and Y. Tokura,
Phys. Rev. B 75, 174441 (2007).
52. Direct observation of the bandwidth-disorder induced variation of charge/orbital ordering structure in RE0.5(Ca1-ySry)1.5MnO4
X. Z. Yu, T. Arima, Y. Kaneko, J. P. He, R. Mathieu, T. Asaka, T. Hara, K. Kimoto, Y. Matsui, and Y. Tokura,
J. Phys.: Condens. Matter, Fast Track Comm. 19, 172203 (2007).
51. Correlation of electronic structure and ordered charge and orbital patterns for single-layer manganites in a wide hole doping range (0 ≤ x ≤ 1)
Y. S. Lee, T. Arima, S. Onoda, Y. Okimoto, Y. Tokunaga, R. Mathieu, X. Z. Yu, J. P. He, Y. Kaneko, Y. Matsui, N. Nagaosa, and Y. Tokura,
Phys. Rev. B 75, 144407 (2007).
50. Order-disorder phenomena in the charge-orbital sectors of manganites with a two-dimensional Mn-O network
R. Mathieu, M. Uchida, Y. Kaneko, J. P. He, X. Z. Yu, R. Kumai, T. Arima, Y. Tomioka, A. Asamitsu, Y. Matsui, and Y. Tokura,
J. Magn. Magn. Mater. 310, 1963 (2007).
49. Orbital Ordering of Manganites from Resonant Soft X-ray Scattering
K. S. Chao, D. J. Huang, J. Okamoto, H. -J. Lin, Y. Kaneko, R. Mathieu, W. B. Wu, Y. Tokura, and C. T. Chen,
J. Magn. Magn. Mater. 310, 819 (2007).
48. Bandwidth-disorder phase diagram of half doped layered manganites
R. Mathieu, M. Uchida, Y. Kaneko, J. P. He, X. Z. Yu, R. Kumai, T. Arima, Y. Tomioka, A. Asamitsu, Y. Matsui, and Y. Tokura,
Phys. Rev. B 74, 020404(R) (2006).
47. Effect of quenched disorder on charge-orbital-spin ordering in single layered manganites
M. Uchida, R. Mathieu, J. P. He, Y. Kaneko, A. Asamitsu, R. Kumai, Y. Tomioka, Y. Matsui, and Y. Tokura,
J. Phys. Soc. Jpn. Lett. 75, 053602 (2006).
46. Impurity-induced transition to a Mott insulator in Sr3Ru2O7
R. Mathieu, A. Asamitsu, Y. Kaneko, J. P. He, X. Z. Yu, R. Kumai, Y. Onose, N. Takeshita, T. Arima, H. Takagi, and Y. Tokura,
Phys. Rev. B 72, 092404 (2005).
45. Determination of the intrinsic anomalous Hall effect of SrRuO3
R. Mathieu, C. U. Jung, H. Yamada, A. Asamitsu, M. Kawasaki, and Y. Tokura,
Phys. Rev. B 72, 064436 (2005).
44. Eu0.5Sr1.5MnO4: a three-dimensional XY spin glass
R. Mathieu, A. Asamitsu, Y. Kaneko, J. P. He, and Y. Tokura,
Phys. Rev. B 72, 014436 (2005).
43. Structural and magnetic properties of La2FeCrO6 studied by neutron diffraction, electron diffraction and magnetometry
A. K. Azad, A. Mellergård, S.-G. Eriksson, S. A. Ivanov, S. M. Yunus, F. Lindberg, G. Svensson, and R. Mathieu,
Mater. Res. Bull. 40, 1633 (2005).
42. Colossal magnetoresistance without phase separation: Disorder-induced spin glass state and nanometer scale orbital-charge correlation in half doped manganites
R. Mathieu, D. Akahoshi, A. Asamitsu, Y. Tomioka, and Y. Tokura,
Phys. Rev. Lett. 93, 227202 (2004).
41. Scaling of the anomalous Hall effect in Sr1-xCaxRuO3
R. Mathieu, A. Asamitsu, H. Yamada, K. S. Takahashi, M. Kawasaki, Z. Fang, N. Nagaosa, and Y. Tokura,
Phys. Rev. Lett. 93, 016602 (2004).
40. The anomalous Hall effect and magnetic monopoles in momentum-space
Z. Fang, N. Nagaosa, K. S. Takahashi, A. Asamitsu, R. Mathieu, T. Ogasawara, H. Yamada, M. Kawasaki, Y. Tokura, and K. Terakura,
39. Anomalous Hall effect in Ca-doped SrRuO3 films
R. Mathieu, A. Asamitsu, K. Takahashi, H. Yamada, M. Kawasaki, Z. Fang, N. Nagaosa, and Y. Tokura,
J. Magn. Magn. Mater. 272-276 Suppl. 1, E785 (2004).
38. Nonequilibrium dynamics of spin glasses: Examination of the ghost domain scenario
P. E. Jönsson, R. Mathieu, P. Nordblad, H. Yoshino, H. Aruga Katori, and A. Ito,
Phys. Rev. B 70, 174402 (2004).
37. Influence of A-site cations on structural and magnetic properties in the double perovskites Ca2-xSrxMnWO6 and Sr2-xBaxMnWO6 (0 ≤ x ≤ 2.0)
A. K. Azad, S.-G. Eriksson, S. A. Ivanov, R. Mathieu, and P. Svedlindh,
Ferroelectrics 302, 181 (2004).
36. Effects of magnesium substitution on the magnetic properties of Nd0.7Sr0.3MnO3
M. Tseggai, R. Mathieu, P. Nordblad, R. Tellgren, L. V. Bao, D. N. H. Nam, N. X. Phuc, N. V. Khiem, G. André, and F. Bourée,
J. Solid State Chem. 178, 1203 (2005).
35. Photoemission studies of the annealing-induced modifications of Ga0.95Mn0.05As
M. Adell, L. Ilver, J. Kanski, J. Sadowski, R. Mathieu, and V. Stanciu,
Phys. Rev. B 70, 125204 (2004).
34. Magnesium substitution in Nd0.7Sr0.3MnO3
M. Tseggai, R. Mathieu, P. Nordblad, R. Tellgren, L. V. Bao, D. N. H. Nam, N. X. Phuc, N. V. Khiem, G. André, and F. Bourée,
J. Solid State Chem. 177, 966 (2004).
33. Magnetization of ultrathin (Ga,Mn)As layers
R. Mathieu, B. S. Sørensen, J. Sadowski, U. Södervall, J. Kanski, P. Svedlindh, P. E. Lindelof, D. Hrabovsky, and E. Vanelle,
Phys. Rev. B 68, 184421 (2003).
32. Studies of the magnetic behavior of the spinel system GaxCoCrFe1-xO4 by neutron diffraction
S. M. Yunus, A. K. Azad, S. -G. Eriksson, J. Eriksen, H. Rundlöf, and R. Mathieu,
31. Synthesis, structural and magnetic characterisation of the double perovskite A2MnMoO6 (A=Ba, Sr)
A. K. Azad, S.-G. Eriksson, S. A. Ivanov, R. Mathieu, P. Svedlindh, J. Eriksen, and H. Rundlöf,
J. Alloys Compd. 364, 77 (2004).
30. Effect of annealing on carrier density and Curie temperature in epitaxial (Ga,Mn)As thin films
B. S. Sørensen, J. Sadowski, R. Mathieu, P. Svedlindh, and P. E. Lindelof,
Appl. Phys. Lett. 82, 2287 (2003).
29. Strong rejuvenation in a chiral-glass superconductor
A. Gardchareon, R. Mathieu, P. E. Jönsson, and P. Nordblad,
Phys. Rev. B 67, 052505 (2003).
28. Fe/V and Fe/Co (001) superlattices: growth, anisotropy, magnetisation and magnetoresistance
P. Nordblad, A. Broddefalk, R. Mathieu, P. Blomqvist, O. Eriksson, and R. Wäppling,
27. Magnetic properties of short period InGaMnAs/InGaAs superlattices
J. Sadowski, R. Mathieu, P. Svedlindh, J. Kanski, M. Karlsteen, K. Swiatek, J. Z. Domagala,
Acta Phys. Pol. A 102, 687 (2002).
26. Ferromagnetism and interlayer exchange coupling in short period (Ga,Mn)As/GaAs superlattices
R. Mathieu, P. Svedlindh, J. Sadowski, K. Swiatek, M. Karlsteen, J. Kanski, and L. Ilver,
Appl. Phys. Lett. 81, 3013 (2002).
25. Photoemission studies of Ga1-xMnxAs: Mn concentration dependent properties
H. Åsklund, L. Ilver, J. Kanski, J. Sadowski, and R. Mathieu,
Phys. Rev. B 66, 115319 (2002).
24. Interlayer exchange coupling and giant magnetoresistance in Fe/V (001) superlattices
A. Broddefalk, R. Mathieu, P. Nordblad, P. Blomquist, R. Wäppling, J. Lu, and E. Olsson,
Phys. Rev. B 65, 214430 (2002).
23. Cooling rate dependence of the antiferromagnetic domain structure of a single crystalline charge ordered manganite
R. Mathieu, P. Nordblad, A. R. Raju, and C. N. R. Rao,
Phys. Rev. B 65, 132416 (2002).
22. La1-xSrxMnO3 (0.33 ≤ x ≤ 1.0) perovskites: a powder diffraction and magnetisation study
M. Valkeapää, S. Eriksson, R. Mathieu, P. Svedlindh, J. Eriksen, and H. Rundlöf,
Ferroelectrics 270, 111 (2002).
21. Phase transitions and magnetic order in La1-xSrxMnO3-d (x ≤ 0.2; 2.85 ≤ 3-d ≤ 3.00)
S.-G. Eriksson, M. Valkeapää, S. A. Ivanov, J. Eriksen, H. Rundlöf, L.-G. Johansson, R. Mathieu, P. Svedlindh, J. Bäckström, and L. Börjesson,
Ferroelectrics 269, 309 (2002).
20. Structural and magnetic characterisation of the double perovskites AA'MnWO6 (AA' = Ba2, SrBa, Sr2, SrCa and Ca2)
A. K. Azad , S.-G. Eriksson, S. A. Ivanov, H. Rundlöf, J. Eriksen, R. Mathieu, and P. Svedlindh,
Ferroelectrics 269, 105 (2002).
19. Ferromagnetic GaMnAs/GaAs superlattices -- MBE growth and magnetic properties
J. Sadowski, R. Mathieu, P. Svedlindh, M. Karlsteen, J. Kanski, Y. Fu, J. Z. Domagala, W. Szuszkiewicz, B. Hennion, D. K. Maude, R. Airey, and G. Hill,
Thin Solid Films 412, 122 (2002).
18. Defect induced magnetic structure in (Ga1-xMnx)As films
P. A. Korzhavyi, E. A. Smirnova, I. A. Abrikosov, L. Bergqvist, P. Mohn, R. Mathieu, P. Svedlindh, J. Sadowski, and O. Eriksson,
Phys. Rev. Lett. 88, 187202 (2002).
17. Memory and chaos in an Ising spin glass
R. Mathieu, P. E. Jönsson, P. Nordblad, H. Aruga Katori, and A. Ito,
Phys. Rev. B 65, 012411 (2002).
16. Structural and magnetic properties of the double perovskite Sr2MnWO6
A. K. Azad, S. A. Ivanov, S.- G. Eriksson, J. Eriksen, H. Rundlöf, R. Mathieu, and P. Svedlindh,
J. Magn. Magn. Mater. 237, 124 (2001).
15. Nuclear and magnetic structure of Ca2MnWO6 - A neutron powder diffraction study
A. K. Azad, S. A. Ivanov, S.- G. Eriksson, J. Eriksen, H. Rundlöf, R. Mathieu, and P. Svedlindh,
Mater. Res. Bull. 36, 2485 (2001).
14. Synthesis, crystal structure, and magnetic characterization of the double perovskite Ba2MnWO6
A. K. Azad, S. A. Ivanov, S.- G. Eriksson, J. Eriksen, H. Rundlöf, R. Mathieu, and P. Svedlindh,
Mater. Res. Bull. 36, 2215 (2001).
13. Short range ferromagnetism and spin glass state in Y0.7Ca0.3MnO3
R. Mathieu, P. Nordblad, D. N. H. Nam, N. X. Phuc, and N. V. Khiem,
Phys. Rev. B 63, 174405 (2001).
12. Magnetic contribution to the resistivity noise in a La0.7Sr0.3MnO3 film grain boundary
R. Mathieu, P. Svedlindh, R. Gunnarsson, and Z. G. Ivanov,
Phys. Rev. B 63, 132407 (2001).
11. Effects of Mg doping in Nd0.7Sr0.3Mn1-yMgyO3
D. N. H. Nam, R. Mathieu, P. Nordblad, N. V. Khiem, and N. X. Phuc,
J. Magn. Magn. Mater. 226, 1340 (2001).
10. Magnetic ageing and non-equilibrium dynamics in Y0.7Ca0.3MnO3
D. N. H. Nam, R. Mathieu, P. Nordblad, N. X. Phuc, and N. V. Khiem,
J. Magn. Magn. Mater. 226, 1335 (2001).
9. Magnetotransport in a bi-crystal film of La0.7Sr0.3MnO3
R. Mathieu, P. Svedlindh, R. A. Chakalov, and Z. G. Ivanov,
J. Magn. Magn. Mater. 226, 786 (2001).
8. Properties of GaMnAs layers grown by migration enhanced epitaxy at very low substrate temperatures
J. Sadowski, R. Mathieu, P. Svedlindh, M. Karlsteen, J. Kanski, L. Ilver, H. Åsklund, K. Switek, J. Z. Domagala , J. Bk-Misiuk, and D. Maude,
7. Structural and magnetic properties of GaMnAs layers with high Mn content grown by Migration Enhanced Epitaxy on GaAs(100) substrates
J. Sadowski, R. Mathieu, P. Svedlindh, J. Z. Domagala, J. Bak Misiuk, K. Swiatek, M. Karlsteen, J. Kanski, L. Ilver, H. Åsklund, and U. Södervall,
Appl. Phys. Lett. 78, 3271 (2001).
6. Memory and superposition in a spin glass
R. Mathieu, P. Jönsson, D. N. H. Nam, and P. Nordblad,
Phys. Rev. B 63, 092401 (2001).
5. Spin glass dynamics of La0.95Sr0.05CoO3
D. N. H. Nam, R. Mathieu, P. Nordblad, N. V. Khiem, and N. X. Phuc,
4. Grain boundary effects on magnetotransport in bi-epitaxial films of La0.7Sr0.3MnO3
R. Mathieu, P. Svedlindh, R. A. Chakalov, and Z. G. Ivanov,
3. Reentrant spin glass transition in La0.96-yNdyK0.04MnO3: origin and effects on the colossal magnetoresistivity
R. Mathieu, P. Svedlindh, and P. Nordblad,
Europhys. Lett. 52, 441 (2000).
2. Colossal magnetoresistance of La0.96-yNdyK0.04MnO3
R. Mathieu, Y. Guo, P. Svedlindh, P. Nordblad, and R. Wäppling,
Physica B 284-288, 1432 (2000).
1. Ferromagnetism and frustration in Nd0.7Sr0.3MnO3
D. N. H. Nam, R. Mathieu, P. Nordblad, N. V. Khiem, and N. X. Phuc,