Publication/研究業績

原著論文 84報、筆頭論文 27本、責任論文 44本 / Total original paper 83, 1st author paper 27,  corresponding author paper 44

2025　(筆頭論文 2報、責任論文 6報)

(1)  “Antiferroelectric behavior in mixed-anion Bi2TiO4F2 induced by rotation of TiO3F3 octahedra”

T. Katayama*, A. Chikamatsu, M. Hirayama,

Adv. Funct. Mater. 2500489, 1 (2025).　https://doi.org/10.1002/adfm.202500489

(2)  “Fabrication and light-driven displacement of ferroelectric freestanding epitaxial sheets of lead lanthanum zirconate titanate”

W. Zhou, A. Taguchi, L. Gong, R. Mitsuya, D. Chen, H. Ohta, T. Katayama*,

Small e06585 (2025).　https://doi.org/10.1002/smll.202506585

(3)  “Water-soluble CaO sacrificial layer heteroepitaxially grown on yttria-stabilized zirconia substrate for large ferroelectric BaTiO3 sheets”

W. Zhou, L. Gong, R. Mitsuya, D. Chen, Diwen, H. Ohta, T. Katayama*,

J. Mater. Chem. C 13, 3424 (2025).　https://doi.org/10.1039/D4TC04585H

(4)  “Achieving clear ferroelectric polarization reversal in room-temperature multiferroic ε-Fe2O3 system through grain boundary engineering”

T. Katayama*, S. Yasui, T. Shiraishi, T. Kiguchi, B. N. Rao, Y. Hamasaki, M. Itoh,

J. Mater. Chem. C 13, 13190 (2025).　https://doi.org/10.1039/D5TC00689A

(5)  “Fluoride-target-assisted growth of Pb2OF2 oxyfluoride films with anion ordering and high dielectric constant”

R. Muraki, K. Marunouchi, W. Zhou, A. Chikamatsu, H. Ohta, T. Katayama*,

J. Mater. Chem. C 13, 21106 (2025) . 　https://doi.org/10.1039/d5tc01975c

(6)  “Atomic layer deposition of hafnium-zirconium-oxide films using a liquid cocktail precursor containing Hf(dmap)4 and Zr(dmap)4 for ferroelectric devices”

A. Nishida, T. Katayama, T. Endo, Y. Matsuo,

ACS Appl. Mater. Interfaces 17, 7, 11036–11044 (2025).　https://doi.org/10.1021/acsami.4c21964

(7)  “Ambient-dependent reversal of unidirectional light scattering by metal–dielectric hybrid plasmonic nanoantenna”

S. Watanabe, R. Ohta, T. Katayama, Y. Y. Tanaka

APL Photon. 10, 126114 (2025).　https://doi.org/10.1063/5.0297764 

(8)  “Millimeter-sized epitaxial ferroelectric BaTiO3 freestanding sheets peeled from Al2O3 substrates”

W. Zhou, D. Chen, R. Mitsuya, H. Ohta, T. Katayama*,

ACS Appl. Electron. Mater. 7, 10, 4552–4556 (2025).　https://doi.org/10.1021/acsaelm.5c00411

(9)  “Dielectric property of a large-scale transferred single-crystal BaTiO3 film prepared using a water-soluble sacrificial buffering layer”

S. Yasuhara, T. Kikuchi, T. Katayama, S. Yasui, M. Itoh, T. Hoshina

Adv. Mater. Interfaces e00554 (2025).　https://doi.org/10.1002/admi.202500554

(10)  “Crystal structure and fluoride-ion conductivity of strontium cerium fluoride epitaxial films prepared by topochemical fluorination”

A. Chikamatsu, A. Nakano, M. Hagiwara, D. Kutsuzawa, E. Fukushi, H. Oguchi, F. Uesugi, T. Katayama, Y. Hirose, 

Chem. Commun. 61, 12317 (2025).　https://doi.org/10.1039/d5cc00985e

(11)  “Ferroelectricity and magnetic order at room temperature and electronic states of bismuth iron oxyfluoride thin films”

A. Kamigaito, M. Sano, K. Shigematsu, S. Demura, H. Kumigashira, T. Katayama, Y. Hirose, A. Chikamatsu

J. Appl. Phys. 137, 214101 (2025).　https://doi.org/10.1063/5.0263144

2024　(筆頭論文 1報、責任論文 6報)

(1)  “Magnetic phase transition-induced modulation of ferroelectric properties in hexagonal RFeO3 (R = Tb and Ho)"

Y. Liu, B. Chen, Binjie, Y. Hamasaki, L. Gong, H. Ohta, T. Katayama*,

ACS Appl. Mater. Interfaces 16, 14, 17832 (2024).　https://doi.org/10.1021/acsami.4c02475

(2)  “Ferroelectric BaTiO3 Freestanding Sheets for Ultra-High-Speed Light-Driven Actuator"

L. Gong, A. Taguchi, W. Zhou, R. Mitsuya, H. Ohta, T. Katayama*,

ACS Appl. Mater. Interfaces 16, 54146 (2024).　https://doi.org/10.1021/acsami.4c10044

(3)  “Cation-placement control in double-perovskite GdBaCo2O6 and its impact on magnetism via spin-state modification”

T. Katayama*, K. Magara, S. Sakai, Y. Zeng, A. Chikamatsu, T. Hasegawa,

J. Mater. Chem. C 12, 10428 (2024).　https://doi.org/10.1039/D4TC01498G

(4)  “Unusual crystal orientation in hexagonal HoFeO3 multiferroic films and the effect on magnetism”

B. Chen, J. Lin, B. Feng, Y. Ikuhara, H. Ohta, T. Katayama*,

Cryst. Growth Des. 24, 839 (2024).　https://doi.org/10.1021/acs.cgd.4c00930

(5)  “Large tensile-strained BaTiO3 films grown on lattice-mismatched La-doped BaSnO3 bottom electrode”

L. Gong, K. Marunouchi, A. Chikamatsu, H. Ohta, T. Katayama*,

CrystEngComm 26, 2765 (2024).　https://doi.org/10.1039/D4CE00197D

(6)  “Topochemical fluorination of epitaxial thin films of barium-doped bismuth iron oxyfluoride”

M. Sano, A. Kamigaito, Y. Wakayama, K. Shigematsu, T. Katayama, Y. Hirose, A. Chikamatsu,

Cryst. Growth Des. 24, 22, 9344 (2024).　https://doi.org/10.1021/acs.cgd.4c00552

(7)  “High-concentration doping effects of aliovalent Al and Ga on ferroelectric properties of BaTiO3 Films”

K. Marunouchi, L. Gong, H. Ohta, T. Katayama*,

Thin Solid Films 796, 140339 (2024).　https://doi.org/10.1016/j.tsf.2024.140339

2023　(筆頭論文 3報、責任論文 7報)

(1)  “Half-metallicity and magnetic anisotropy in double-perovskite GdBaCo2O6 films prepared via topotactic oxidation”

T. Katayama*, S. Mo, A. Chikamatsu, Y. Kurauchi, H. Kumigashira, and T. Hasegawa,

Chem. Mater. 35, 1295 (2023).　https://doi.org/10.1021/acs.chemmater.2c03335

(2)  “Grain engineered polar-axis-oriented epitaxial Mn2Mo3O8 films with enhanced magnetic transition temperature”

S. Mo, T. Katayama*, A. Chikamatsu, and T. Hasegawa,

J. Mater. Chem. C 11, 7427 (2023).　https://doi.org/10.1039/D3TC00730H

(3)  “Hexagonal RFeO3 (R = Dy, Er, and Lu) films grown on glass substrates with both magnetic and ferroelectric orders”

B. Chen, and T. Katayama*,

ACS Appl. Electron. Mater. 5, 1, 344 (2023).　https://doi.org/10.1021/acsaelm.2c01356

(4)  “Ferroelectricity, high permittivity, and tunability in millimeter-size crack-free Ba1–xSrxTiO3 flexible epitaxial sheets”

R. Yu, L. Gong, H. Ohta, and T. Katayama*,

ACS Appl. Electron. Mater. 5, 9, 5234 (2023).　https://doi.org/10.1021/acsaelm.3c00963

(5)  “Synthesis and transparent conductivity of crack-free La:BaSnO3 epitaxial flexible sheets”

L. Gong, R. Yu, H. Ohta, and T. Katayama*,

Dalton Trans. 52, 6317 (2023).　https://doi.org/10.1039/D3DT01097J

(6)  “Anisotropic proton conduction in double-perovskite GdBaCo2O5.5”

T. Katayama*, K. Magara, A. Chikamatsu, and T. Hasegawa,

Appl. Phys. Lett. 123, 012902 (2023).　https://doi.org/10.1063/5.0153239

(7)  “Atomic layer deposition of HfO2 films using tetrakis(1-(N,N-dimethylamino)-2-propoxy)hafnium [Hf(dmap)4] for advanced gate dielectrics applications”

A. Nishida, T. Katayama, Y. Matsuo,

ACS Appl. Nano Mater. 6, 18029 (2023).　https://doi.org/10.1021/acsanm.3c03319

(8)  “Solid phase epitaxy of perpendicular magnetic BaFe12O19 flexible sheets on mica substrate”

T. Katayama*, S. Mo, A. Chikamatsu, and T. Hasegawa,

Jpn. J. Appl. Phys. 62 065505 (2023).　https://doi.org/10.35848/1347-4065/acda01

(9)  “Atomic layer deposition of Y2O3 films using novel liquid homoleptic yttrium precursor tris(sec-butylcyclopentadienyl)yttrium [Y(sBuCp)3] and Water”

A. Nishida, T. Katayama, Y. Matsuo,

RSC Adv. 13, 27255 (2023).　https://doi.org/10.1039/D3RA05217F

2022　(筆頭論文 1報、責任論文 7報)

(1)  “Significant suppression of cracks in freestanding perovskite oxide flexible sheets using a capping oxide layer”

L. Gong, M. Wei, R. Yu, H. Ohta, and T. Katayama*,

ACS Nano 16, 12, 21013 (2022).　https://doi.org/10.1021/acsnano.2c08649

(2)  “Improvement of electric insulation in dielectric layered perovskite nickelate films via fluorination”

T. Nishimura, T. Katayama*, S. Mo, A. Chikamatsu, and T. Hasegawa,

J. Mater. Chem. C 10, 1711 (2022).　https://doi.org/10.1039/D1TC04755H

(3)  “Antiferroelectric-to-ferroelectric phase transition in hexagonal rare-earth iron oxides”

B. Chen, T. Hasegawa, H. Ohta, and T. Katayama*,

J. Mater. Chem. C 10, 5621 (2022).　https://doi.org/10.1039/D1TC05944K

(4)  “Photo-induced Antiferromagnetic-ferromagnetic and Spin-state Transition in GdBaCo2O5.5 Thin Film”

Y. Zhang, T. Katayama, A. Chikamatsu, C. Schubler-Langeheine, N. Pontius, Y. Hirata, K. Takubo, K. Yamagami, K. Ikeda, K. Yamamoto, T. Hasegawa, and H. Wadati,

Commun. Phys. 5, 50 (2022).　https://doi.org/10.1038/s42005-022-00823-4

(5)  “Ferroelectric and magnetic properties of hexagonal ErFeO3 epitaxial films”

B. Chen, H. Ohta, and T. Katayama*,

ACS Appl. Electron. Mater. 4, 4547 (2022).　https://doi.org/10.1021/acsaelm.2c00767

(6)  “Negative magnetoresistance in different nitrogen content EuNbO3-xNx single-crystalline thin films”

T. Maruyama, Y. Hirose, T. Katayama, Y. Sugisawa, D. Sekiba, T. Hasegawa, and A. Chikamatsu,

J. Mater. Chem. C 10, 14661 (2022).　https://doi.org/10.1039/D2TC03328C

(7)  “Crystal structure and electronic property modification of Ca2RuO4 thin films via fluorine doping”

S. Fukuma, A. Chikamatsu, T. Katayama, T. Maruyama, K. Yanagisawa, K. Kimoto, M. Kitamura, K. Horiba, H. Kumigashira, Y. Hirose, and T. Hasegawa,

Phys. Rev. Mater. 6, 035002 (2022).　https://doi.org/10.1103/PhysRevMaterials.6.035002

(8)  “Epitaxial growth of hexagonal GdFeO3 thin films with magnetic order by pulsed laser deposition”

J. Kasahara, T. Katayama*, A. Chikamatsu, Y. Hamasaki and T. Hasegawa,

Thin Solid Films 757, 139409 (2022).　https://doi.org/10.1016/j.tsf.2022.139409

(9)  “Ionic order and magnetic properties of double-perovskite GdBaCo2O5.5 films on SrTiO3 substrates”

T. Katayama*, A. Chikamatsu, and T. Hasegawa,

J. Ceram. Soc. Jpn. 130, 429 (2022).　https://doi.org/10.2109/jcersj2.21174

(10)  “Enhancement of room-temperature magnetization in GaFeO3-type single crystals by Al and Sc doping”

L. Wang, T. Katayama*, C. Wang, Q. Li, Y. shi, Y. Fang, F. Huang, Y. Zhu, H. Li, S. Yasui, X. Huang and J. Yu,

AIP Adv. 12, 065015 (2022).　https://doi.org/10.1063/5.0088234

2021　(筆頭論文 2報、責任論文 5報)

(1)  “Ionic-order engineering in double-perovskite cobaltite”

T. Katayama*, A. Chikamatsu, Y. Zhang, S. Yasui, H. Wadati, and T. Hasegawa,

Chem. Mater. 33, 5675 (2021).　https://doi.org/10.1021/acs.chemmater.1c01228

(2)  “Epitaxial-strain-induced spontaneous magnetization in polar Mn2Mo3O8”

S. Mo, T. Katayama*, A. Chikamatsu, M. Kitamura, K. Horiba, H. Kumigashira, and T. Hasegawa,

Chem. Mater. 33, 7713 (2021).　https://doi.org/10.1021/acs.chemmater.1c01877

(3)  “Room-temperature antiferroelectricity in multiferroic hexagonal rare-earth ferrites”

J. Kasahara, T. Katayama*, S. Mo, A. Chikamatsu, Y. Hamasaki, S. Yasui, M. Itoh, and T. Hasegawa,

ACS Appl. Mater. Interfaces 13, 4230 (2021).　https://doi.org/10.1021/acsami.0c20924

(4)  “Synthesis and Magnetism of MoCo2O4 Spinel Thin Films”

T. Katayama*, S. Mo, Y. Kurauchi, A. Chikamatsu and T. Hasegawa,

Thin Solid Films 728, 138696 (2021).　https://doi.org/10.1016/j.tsf.2021.138696

(5)  “Investigation of the electronic states of A-site layer-ordered double perovskite YBaCo2Ox (x = 5.3 and 6) thin films by X-ray spectroscopy”

A. Chikamatsu, T. Katayama, T. Maruyama, M. Kitamura, K. Horiba, H. Kumigashira, H. Wadati, and T. Hasegawa,

Appl. Phys. Lett. 118, 012401 (2021).　https://doi.org/10.1063/5.0031096

(6)  “Ferroelectric and magnetic properties in ε-Fe2O3 epitaxial film”

Y. Hamasaki, S. Yasui, T. Katayama, T. Kiguchi, S. Sawai and M. Itoh,

Appl. Phys. Lett. 119, 182904 (2021).　https://doi.org/10.1063/5.0063021

(7)  “Single-crystal synthesis of ε-Fe2O3-type oxides exhibiting room-temperature ferrimagnetism and ferroelectric polarization”

Y. Zhang, H. Wang, K. Tachiyama, T. Katayama*, Y. Zhu, S. Wu, H. Li, J. Fang, Q. Li, Y. Shi, L. Wang, Z. Fu, F. Xu, J. Yu, S. Yasui, and M. Itoh,

Cryst. Growth Des. 21, 4904 (2021).　https://doi.org/10.1021/acs.cgd.1c00310

(8)  “Large polarization switching and high-temperature magnetoelectric coupling in multiferroic GaFeO3 systems”

H. Wang, Y. Zhang, K. Tachiyama, Z. Xia, J. Fang, Q. Li, G. Cheng, Y. Shi, J. Yu, T. Katayama, S. Yasui, M. Itoh,

Inorg. Chem. 60, 1, 225 (2021).　https://doi.org/10.1021/acs.inorgchem.0c02855

2020　(筆頭論文 0報、責任論文 1報)

(1)  “Simple method to obtain large-size single-crystalline oxide sheets”

K. Gu, T. Katayama*, S. Yasui, A. Chikamatsu, S. Yasuhara, M. Itoh, and T. Hasegawa,

Adv. Funct. Mater. 30, 2001236 (2020).　https://doi.org/10.1002/adfm.202001236

(2)  “Switchable third ScFeO3 polar ferromagnet with YMnO3-type structure”

Y. Hamasaki, T. Katayama, S. Yasui, T. Shiraishi, A. Akama, T. Kiguchi, T. Taniyama, and M. Itoh,

J. Mater. Chem. C 8, 4447 (2020).　https://doi.org/10.1039/C9TC07006K

(3)  “Influence of fluorination on electronic states and electron transport properties of Sr2IrO4 thin films”

T. Maruyama, A. Chikamatsu, T. Katayama, K. Kuramochi, H. Ogino, M. Kitamura, K. Horiba, H. Kumigashira, and T. Hasegawa,

J. Mater. Chem. C 8, 8268 (2020).　https://doi.org/10.1039/D0TC01734E

(4)  “Investigation of ferrimagnetism and ferroelectricity in AlxFe2-xO3 thin films”

B. N. Rao, S. Yasui, T. Katayama, A. Taguchi, H. Moriwake, Y. Hamasaki, and M. Itoh,

J. Mater. Chem. C 8, 706 (2020).　https://doi.org/10.1039/C9TC05390E

(5)  “Modulating the Structure and Magnetic Properties of ε-Fe2O3 Nanoparticles via Electrochemical Li+ Insertion”

S. Yasuhra, Y. Hamasaki, T. Katayama, T. Ao, Y. Inaguma, H. Hojo, M. Karppinen, A. Philip, S. Yasui, and M. Itoh,

Inorg. Chem. 59, 7, 4357 (2020).　https://doi.org/10.1021/acs.inorgchem.9b03302

(6)  “Electronic properties of perovskite strontium chromium oxyfluoride epitaxial thin films fabricated via low-temperature topotactic reaction”

A. Chikamatsu, T. Maruyama, T. Katayama, Y. Su, Y. Tsujimoto, K. Yamaura, M. Kitamura, K. Horiba, H. Kumigashira, and T. Hasegawa,

Phys. Rev. Mater. 4, 025004 (2020).　https://doi.org/10.1103/PhysRevMaterials.4.025004

(7)  “Redox-based multilevel resistive switching in AlFeO3 thin-film heterostructures”

B. N. Rao, S. Yasui, Y. Han, Y. Hamasaki, T. Katayama, T. Shirashi, T. Kiguchi, and M. Itoh,

ACS Appl. Electron. Mater. 2, 4, 1065 (2020).　https://doi.org/10.1021/acsaelm.0c00083

2019　(筆頭論文 3報、責任論文 5報)

(1)  “Reactive Solid Phase Epitaxy of Layered Aurivillius-type Oxyfluorides Bi2TiO4F2 using Polyvinylidene Fluoride”

T. Katayama*, S. Mo, T. Maruyama, A. Chikamatsu, and T. Hasegawa,

Dalton Trans. 48, 5425 (2019).　https://doi.org/10.1039/C9DT00874H

(2)  “p-type conductivity and room-temperature ferrimagnetism in spinel MoFe2O4 epitaxial thin film”

T. Katayama*, Y. Kurauchi, S. Mo, K. Gu, A. Chikamatsu, and T. Hasegawa,

Cryst. Growth Des. 19, 902 (2019).　https://doi.org/10.1021/acs.cgd.8b01454

(3)  “Improved crystalline quality and electric conductivity in infinite-layer SrFeO2 films through Sm substitution”

T. Katayama*, A. Chikamatsu, H. Kumigashira, and T. Hasegawa,

Appl. Phys. Lett. 114, 232906 (2019).　https://doi.org/10.1063/1.5097721

(4)  “Two-dimensional fluorine distribution in a heavily distorted perovskite nickel oxyfluoride revealed by first-principles calculation”

Y. Kurauchi, T. Katayama*, A. Chikamatsu, T. Hasegawa,

J. Phys. Chem. C 123, 31190 (2019).　https://doi.org/10.1021/acs.jpcc.9b09112

(5)  “Theoretical investigation of the role of the nitride Ion in the magnetism of oxynitride MnTaO2N”

S. Mo, Y. Kurauchi, T. Katayama*, Y. Hirose, and T. Hasegawa,

J. Phys. Chem. C 123, 25379 (2019).　https://doi.org/10.1021/acs.jpcc.9b07446

(6)  “Selective fluorination of perovskite iron oxide/ruthenium oxide heterostructures via a topotactic reaction”

A. Chikamatsu, Y. Suzuki, T. Maruyama, T. Onozuka, T. Katayama, D. Ogawa, and T. Hasegawa,

Chem. Commun. 55, 2437 (2019).　https://doi.org/10.1039/C8CC09443H

(7)  “Ferroelectric and Ferrimagnetic properties of ε-RhxFe2-xO3 thin films”

S. Yasui, T. Katayama, T. Osakabe, Y. Hamasaki, T. Taniyama, and M. Itoh,

J. Ceram. Soc. Jpn. 127, 474 (2019).　https://doi.org/10.2109/jcersj2.19048

(8)  “Magnetic Properties of Single Crystal GaFeO3”

K. Tachiyama, S. Yasui, B. N. A. Rao, T. Dazai, T. Usami, T. Taniyama, T. Katayama, Y. Hamasaki, J. Yu, H. He, H. Wang, and M. Itoh,

MRS Adv. 4, 61 (2019).　https://doi.org/10.1557/adv.2019.37

(9)  “Fabrication and Characterization of Multiferroic Al0.5Fe1.5O3 Epitaxial Thin Films”

B. N. A. Rao, S. Yasui, T. Katayama, and M. Itoh,

MRS Adv. 4, 539 (2019).　https://doi.org/10.1557/adv.2019.121

(10)  “Epitaxial Growth of Orthorhombic GaFeO3 Thin Films on SrTiO3(111) Substrates by Simple Sol-gel Method”

M. Zhang, S. Yasui, T. Katayama, B. N. Rao, H. Wen, X. Pan, M. Tang, F. Ai, and M. Itoh,

Materials 12, 254 (2019).　https://doi.org/10.3390/ma12020254

2018　(筆頭論文 4報、責任論文 3報)

(1)  “Ferroelectric and magnetic properties in room-temperature multiferroic GaxFe2-xO3 epitaxial thin films”

T. Katayama*, S. Yasui, Y. Hamasaki, T. Shiraishi, A. Akama, T. Kiguchi, and M. Itoh,

Adv. Funct. Mater. 28, 1704789 (2018).　https://doi.org/10.1002/adfm.201704789

(2)  “Ferrimagnetism and ferroelectricity in Cr-substituted GaFeO3 epitaxial films”

T. Katayama*, S. Yasui, T. Osakabe, Y. Hamasaki, and M. Itoh,

Chem. Mater. 30, 1436 (2018).　https://doi.org/10.1021/acs.chemmater.8b00144

(3)  “Ferromagnetism with strong magnetocrystalline anisotropy in A-site ordered perovskite YBaCo2O6 epitaxial thin film prepared via wet-chemical topotactic oxidation”

T. Katayama, A. Chikamatsu, Y. Hirose, M. Minohara, H. Kumigashira, I. Harayama, D. Sekiba, and T. Hasegawa,

J. Mater. Chem. C 6, 3445 (2018).　https://doi.org/10.1039/C7TC05422J

(4)  “Effect of Cr Substitution on Ferrimagnetic and Ferroelectric Properties of GaFeO3 Epitaxial Thin Films”

T. Katayama*, T. Osakabe, S. Yasui, Y. Hamasaki, B. N. Rao, M. Zhang, and M. Itoh,

Appl. Phys. Lett. 113, 162901 (2018).　https://doi.org/10.1063/1.5029442

(5)  “Fabrication of fluorite-type fluoride Ba0.5Bi0.5F2.5 thin films by fluorination of perovskite BaBiO3 precursors with polyvinylidene fluoride”

A. Chikamatsu, K. Kawahara, T. Shiina, T. Onozuka, T. Katayama, T. Hasegawa,

ACS Omega 3, 13141 (2018).　https://doi.org/10.1021/acsomega.8b02252

2017　(筆頭論文 4報、責任論文 4報)

(1)  “Chemical tuning of room-temperature ferrimagnetism and ferroelectricity in ε-Fe2O3-type multiferroic oxide thin films”

T. Katayama*, S. Yasui, Y. Hamasaki, T. Osakabe, and M. Itoh,

J. Mater. Chem. C 5, 12597 (2017).　https://doi.org/10.1039/C7TC04363E

(2)  “Control of crystal-domain orientation in multiferroic Ga0.6Fe1.4O3 epitaxial thin films”

T. Katayama*, S. Yasui, Y. Hamasaki, and M. Itoh,

Appl. Phys. Lett. 110, 212905 (2017).　https://doi.org/10.1063/1.4984211

(3)  “Reversible changes in resistance of perovskite nickelate NdNiO3 thin films induced by fluorine substitution”

T. Onozuka, A. Chikamatsu, T. Katayama, Y. Hirose, I. Harayama, D. Sekiba, E. Ikenaga, M. Minohara, H. Kumigashira, and T. Hasegawa,

ACS Appl. Mater. Interfaces 9, 10882 (2017).　https://doi.org/10.1021/acsami.7b00855

(4)  “Topotactic fluorination of perovskite strontium ruthenate thin films using polyvinylidene fluoride”

K. Kawahara, A. Chikamatsu, T. Katayama, T. Onozuka, D. Ogawa, K. Morikawa, E. Ikenaga, Y. Hirose, I. Harayama, D. Sekiba, T. Fukumura, and T. Hasegawa,

CrystEngComm 19, 313 (2017).　https://doi.org/10.1039/C6CE02358D

(5)  “First-principles calculations on the crystal/electronic structure and phase stability of H-doped SrFeO2”

Y. Kurauchi, H. Kamisaka, T. Katayama, A. Chikamatsu, T. Hasegawa,

J. Phys. Chem. C 121, 7478 (2017).　https://doi.org/10.1021/acs.jpcc.6b12863

(6)  “Epitaxial thin film growth of garnet-, GdFeO3-, and YMnO3-type LuFeO3 using pulsed laser deposition”

T. Katayama*, Y. Hamasaki, S. Yasui, A. Miyahara, M. Itoh,

Thin Solid Films 642, 41 (2017).　https://doi.org/10.1016/j.tsf.2017.09.013

(7)  “Electric transport characteristics of gallium iron oxide epitaxial thin film”

T. Katayama*, S. Yasui, Y. Hamasaki, and M. Itoh,

MRS Adv. 2, 3459 (2017).　https://doi.org/10.1557/adv.2017.370

2016　(筆頭論文 3報、責任論文 0報)

(1)  “Formation of defect-fluorite structured NdNiOxHy epitaxial thin films via soft chemical route from NdNiO3 precursor”

T. Onozuka, A. Chikamatsu, T. Katayama, T. Fukumura and T. Hasegawa,

Dalton Trans. 45, 12114 (2016).　https://doi.org/10.1039/C6DT01737A

(2)  “Experimental and theoretical investigation of electronic structure of SrFeO3-xFx epitaxial thin films prepared via topotactic reaction”

T. Katayama, A. Chikamatsu, H. Kamisaka, H. Kumigashira, and T. Hasegawa,

Appl. Phys. Express 9, 025801 (2016).　https://doi.org/10.7567/APEX.9.025801

(3)  “Epitaxial growth and electronic structure of oxyhydride SrVO2H thin films”

T. Katayama, A. Chikamatsu, K. Yamada, K. Shigematsu, T. Onozuka, M. Minohara, H. Kumigashira, E. Ikenaga, and T. Hasegawa,

J. Appl. Phys. 120, 085305 (2016).　https://doi.org/10.1063/1.4961446

(4)  “Topotactic reductive synthesis of A-site cation-ordered perovskite YBaCo2Ox (x = 4.5−5.5) epitaxial thin films”

T. Katayama, A. Chikamatsu, T. Fukumura, and T. Hasegawa,

Jpn. J. Appl. Phys. 55, 04EJ05 (2016).　http://doi.org/10.7567/JJAP.55.04EJ05

2015　(筆頭論文 2報、責任論文 0報)

(1)  “Effects of Cr substitution on the magnetic and transport properties and electronic states of SrRuO3 epitaxial thin films”

K. Kurita, A. Chikamatsu, K. Shigematsu, T. Katayama, H. Kumigashira, T. Fukumura, T. Hasegawa,

Phys. Rev. B 92, 115153 (2015).　https://doi.org/10.1103/PhysRevB.92.115153

(2)  “Topotactic reductive fluorination of strontium cobalt oxide epitaxial thin films”

T. Katayama, A. Chikamatsu, Y. Hirose, T. Fukumura, and T. Hasegawa,

J. Sol-Gel Sci. Technol. 73, 527 (2015).　https://doi.org/10.1007/s10971-014-3499-x

(3)  “Topotactic synthesis of strontium cobalt oxyhydride thin film with perovskite structure”

T. Katayama, A. Chikamatsu, H. Kamisaka, Y. Yokoyama, Y. Hirata, H. Wadati, T. Fukumura, and T. Hasegawa,

AIP Adv. 5, 107147 (2015).　https://doi.org/10.1063/1.4935190

2014　(筆頭論文 2報、責任論文 0報)

(1)   “Topotactic fluorination of strontium iron oxide thin films using polyvinylidene fluoride”

T. Katayama, A. Chikamatsu, Y. Hirose, R. Takagi, H. Kamisaka, T. Fukumura, and T. Hasegawa,

J. Mater. Chem. C 2, 5350 (2014).　https://doi.org/10.1039/C4TC00558A

(2)  “Metallic conductivity in infinite-layer strontium iron oxide thin films reduced by calcium hydride”

T. Katayama, A. Chikamatsu, Y Hirose, H. Kumigashira, T. Fukumura, and T. Hasegawa,

J. Phys. D: Appl. Phys. 47, 135304 (2014).　https://doi.org/10.1088/0022-3727/47/13/135304

2013　(筆頭論文 0報、責任論文 0報)

(1)  “Electronic and transport properties of Eu-substituted infinite-layer strontium ferrite thin films”

A. Chikamatsu, T. Matsuyama, T. Katayama, Y. Hirose, H. Kumigashira, M. Oshima, T. Fukumura, T. Hasegawa,

J. Cryst. Growth 378, 165 (2013).　https://doi.org/10.1016/j.jcrysgro.2012.12.067