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Previous Publications

• "Quantitative Nanoscale Magnetic Study of Isolated Diameter-Modulated FeCoCu Nanowires", L.A. Rodríguez, C. Bran, D. Reyes, E. Berganza, M. Vázquez, C. Gatel, E. Snoeck, A. Asenjo, Acs. Nano. 10,9669-9678 (2016)

• "Negative dissipation gradients in hysteretic materials", M. Jaafar, Ó. Iglesias-Freire, P.García-Mochales, J. J.Sáenz and A. Asenjo, Nanoscale, 8, 16989-16994(2016)

• "Domain wall pinning in FeCoCu bamboo-like nanowires", E. Berganza, C. Bran, M. Vazquez and A. Asenjo, Sci. Rep. 6, 29702 (2016)

• "Customized MFM probes with high lateral resolution" O.Iglesias-Freire, M. Jaafar, E. Berganza and A. Asenjo, Beilstein J.Nanotechnol.(7)1068–1074 (2016)

• "Spin configuration of cylindrical bamboo-like magnetic nanowires", C. Bran, E. Berganza, E.M. Palmero, J.A. Fernandez-Roldan, R.P. Del Real, L. Aballe, M. Foerster, A. Asenjo, A.F. Rodriguez and M. Vazquez, J. Mater. Chem. C 4, 978-984 (2016)

• "Exchange bias in sputtered FeNi/FeMn systems: Effect of short low-temperature heat treatments" , P. Savin, J. Guzman, V. Lepalovskij, A. Svalov, G. Kurlyandskaya, A. Asenjo, V. Vas'kovskiy and M. Vazquez, J. Magn. Magn. Mater. 402, 49-54 (2016)

• "Magnetic Force Microscopy in Liquids" , P. Ares, M. Jaafar, A. Gil, J. Gómez-Herrero and A. Asenjo, Small 11 (36) 4731-6 (2015)

• "Superparamagnetic versus blocked states in aggregates of Fe3-xO4 nanoparticles studied by MFM". C. Moya, O. Iglesias-Freire, X. Batlle, A. Labarta, A. Asenjo, Nanoscale 7, 17764-17770 (2015)

• "Spin configuration in isolated FeCoCu nanowires modulated in diameter" O. Iglesias-Freire, C. Bran, E. Berganza, I. Mínguez-Bacho, C. Magén, M. Vázqueza nd A. Asenjo Nanotechnology, 26 (39) 395702 (2015)

• "Direct imaging of the magnetic polarity and reversal mechanism in individual Fe3−xO4 nanoparticles" Carlos Moya, Óscar Iglesias-Freire, Nicolás Pérez, Xavier Batlle, Amilcar Labarta and Agustina Asenjo,Nanoscale, 7, 8110-8114 (2015)

• "Domain-wall structure in thin films with perpendicular anisotropy: Magnetic force microscopy and polarized neutron reflectometry study" D. Navas, C. Redondo, G.A.B. Confalonieri, F. Batallan, A. Devishvili, O. Iglesias-Freire, A. Asenjo, C.A. Ross, B.P. Toperverg,Phys. Rev. B 90, 0500-12 (2014)

• "Improvement of the blasting induced effects on medical 316 LVM stainless steel by short-term thermal treatments" S. Barriuso, M. Jaafar, J. Chao, A. Asenjo, J.L. Gonzalez-Carrasco, Surf. Coat. Tech. 258, 1075-1081 (2014)

• "Magnetic scanning gate microscopy of graphene Hall devices (invited)" R.K. Rajkumar, A. Asenjo , V. Panchal, A. Manzin, O. Iglesias-Freire and O. Kazakova, J. Appl. Phys.,115 (17), 172606 (2014)

• "Thin film multiferroic nanocomposites by ion implantation", M. Algueró, J. Ricote, M. Torres, H. Amorín, A. Alberca, O.Iglesias-Freire, N. Nemes, S. Holgado, M. Cervera, J. Piqueras, A. Asenjo, M. García-Hernández, ACS Applied Materials and Interfaces, 6 (3) (2014)1909

• "Magnetic vortex evolution in self-assembled La0.7Sr 0.3MnO3 nanoislands under in-plane magnetic field", J. Zabaleta, M. Jaafar, A. Asenjo, S. Agramunt-Puig, N.Del-Valle, C.Navau, A. Sanchez, T. Puig, X. Obradors, N. Mestres,APL Materials, 2(7), 076111 (2014)

• "Magnetic Scanning Probe Calibration Using Graphene Hall Sensor", Vishal Panchal, Oscar Iglesias-Freire, Arseniy Lartsev, Rositza Yakimova, Agustina Asenjo and Olga Kazakova,IEEE Trans. Magn., 49 (7) (2013)

• "Tip-induced artifacts in magnetic force microscopy images" Iglesias-Freire , J. R. Bates , Y. Miyahara , A. Asenjo and P. H. Grütter, Appl. Phys. Lett. 102 (2013)

• "Magnetic configurations of Co(111) nanostripes with competing shape and crystalline anisotropies" Yu. P. Ivanov, O. Iglesias-Freire, E. V. Pustovalov, O. Chubykalo-Fesenko and A. Asenjo, Phys. Rev. B 87, 184410(2013)

• "Magnetic structure of a single-crystal hcp electrodeposited cobalt nanowire" Yu. P. Ivanov, L.G. Vivas, A. Asenjo, A. Chuvilin, O. Chubykalo-Fesenko, M.Vázquez, EPL 102(1)17009(2013)

• "Micromagnetism of dense permalloy antidot lattices from anodic alumina templates", P. Gawroski, K.J. Merazzo, O. Chubykalo-Fesenko, A. Asenjo, R.P. del Real, M. Vázquez, EPL, 100, 17007(2012)

• "Tailoring the physical properties of thin nanohole arrays grown on flat anodic aluminum oxide templates", D.C. Leitao, J. Ventura, C. T. Sousa, J. M. Teixeira, J. B. Sousa, M. Jaafar, A. Asenjo, M. Vazquez, J. M. De Teresa and J. P. Araujo, Nanotechnology 23, 425701 (2012)

• "Self-correlation function for determination of geometrical parameters in Nanoporous Anodic Alumina Films”, I. Mínguez-Bacho, S. Rodríguez-López, A. Asenjo, M. Vázquez and M. Hernández-Vélez , Applied Physics A, 106:105–112 (2012)

• "Distinguishing magnetic and electrostatic interactions by a Kelvin probe force microscopy– magnetic force microscopy combination" Miriam Jaafar, Oscar Iglesias-Freire, Luis Serrano-Ramón, Manuel Ricardo Ibarra, Jose Maria De Teresa and Agustina Asenjo, Beilstein J. Nanotechnol., 2, 552-560 (2011)

• "Nanomagnets with high shape anisotropy and strong crystalline anisotropy: perspectives on magnetic force microscopy” H. Campanella, M. Jaafar, J. Llobet, J. Esteve, M. Vázquez, A. Asenjo, R. P. del Real and J. A. Plaza, Nanotechnology 22 (2011) 505301

• "Hysteresis loops of individual Co nanostripes measured by magnetic force microscopy" M. Jaafar, L. Serrano-Ramón, O. Iglesias-Freire, A. Fernández-Pacheco, M. R. Ibarra, J. M. De Teresa and A. Asenjo, Nanoscale Research Letters, 6 407 (2011)

• "Pattern induced Magnetic Anisotropy in FePt thin films by ion irradiation" M. Jaafar, R. Sanz, J. McCord, J. Jensen, R. Schäfer, M. Vázquez and A. Asenjo, Phys. Rev. B. 83, 094422 (2011)

• "Dependence of magnetization process on thickness of permalloy antidot arrays";, K. J. Merazzo, R. P. del Real, A. Asenjo, and M. Vazquez, J. Appl. Phys. 109, 07B906 (2011)

• "Upper bound for the magnetic force gradient in graphite", D. Martinez-Martin, M. Jaafar, R. Perez, J. Gomez- Herrero and A. Asenjo, Phys. Rev. Lett. 105, 257203 (2010)

• "Control of the chirality and polarity of magnetic vortices in triangular nanodots", M. Jaafar, R. Yanes, D. Perez de Lara, O. Chubykalo-Fesenko, A. Asenjo, E. M. González, J. V. Anguita, M. Vázquez, and J. L. Vicent, Phys. Rev. B 81, 054439 (2010)

• "Patterning of rutile TiO2 surface by ion beam lithography through full-solid masks”, R. Sanz, M. Jaafar, M. Hernandez-Velez, A. Asenjo, M. Vazquez, J. Jensen, Nanotechnology 21, 235301-6 (2009)

• "Nanoporous alumina membrane prepared by nanoindentation and anodic oxidation", M. Jaafar, D. Navas, M. Hernández-Vélez, J. L. Baldonedo , M. Vázquez and A. Asenjo, Surf. Sci. , 603 (20) 3155-3159 (2009)

• "Plasmon enhanced magneto-optical activity in ferromagnetic membranes" , J. B. González-Díaz , J. M. García-Martín , A. García-Martín , D. Navas , A. Asenjo, M. Vázquez , M. Hernández-Vélez and G. Armelles, Appl. Phys. Lett. 94 (26) 263101; (2009)

• "Nanostructured Co film on ordered polymer nanohills: a base for novel magnetic nanostructures" W.O. Rosa, M.Jaafar, A. Asenjo , M. Vazquez, Nanotechnology 20 (7)(2009)075301.

• "Variable field magnetic force microscopy" M. Jaafar, J. Gómez-Herrero, A. Gil, P. Ares, M. Vázquez and A. Asenjo, Ultramicroscopy, 109 (2009) 693-699

• "Field induced vortex dynamics in magnetic Ni nanotriangles"o;, M Jaafar, R Yanes, A Asenjo, O Chubykalo-Fesenko, M Vázquez, E M González and J L Vicent , Nanotechnology 19 (2008) 285717.

• "Calibration of coercive and stray fields of commercial Magnetic Force Microscope probes”, M. Jaafar, A. Asenjo and M. Vázquez, IEEE Nanotechnology, 7 (3) 245-250 (2008).

• “Titanium nitride stamps replicating nanoporous anodic alumina films”, D Navas, O Sánchez, A Asenjo, M Jaafar, J L Baldonedo, M Vázquez and M Hernández-Vélez, Nanotechnology 18 (16) 165302 (2007).

• “Dependence fo remanence on the size and patterned domain structure of Ni nanowire arrays” , J. Escrig, D. Altbir, M. Jaafar, D. Navas, A. Asenjo and M. Vázquez, Phys. Rev. B 75, 184429 (2007).

• “FePt thin film irradiated with high energy ions”, M. Jaafar, R. Sanz, M. Vázquez and A. Asenjo , J. Jensen and K. Hjort, S. Flohrer, J. McCord and R. Schäfer, Physica Status Solidi (a) 204 (6), 1724-1730 (2007).

• “Magnetic domain structure of nanohole arrays in Ni films” M. Jaafar, D. Navas, A. Asenjo, M. Vázquez, M. Hernández-Vélez, J. M. García-Martín, J. Apply. Phys. 101, 09F513 (2007).

• “Dislocation generation and motion at the incipient stages of surface plasticity in Barite” A. Asenjo and J.M. Rojo , Philos. Mag. 87 (26) 3959 - 3966 (2007) .

• "Quantitative Magnetic Force Microscopy analysis of the magnetization process in nanowire arrays", A. Asenjo, M. Jaafar, D. Navas and M. Vázquez , J. Appl. Phys. 100 (2) 023909 (2006).

• “Dislocation mechanisms involved in the first stage of plasticity of nanoindented Au(111) surfaces”, A. Asenjo, M. Jaafar, E. Carrasco and J.M. Rojo, Phys. Rev. B (2006).

• “Arrays of Ni Nanowires in alumina membranes: magnetic properties and spatial ordering ” M. Vázquez, M. Hernández-Vélez, K. Pirota, A. Asenjo, D. Navas, J. Velázquez , P. Vargas and C. Ramos, European Journal of Physics, B, 40 (4) 489-497 (2004).

• “Observación de dislocaciones en cristales de haluros alcalinos”, A. Asenjo y M.A. García, Revista Española de Física, 18(3) (portada) (2004)

• “SiO2-CaO vitreous films deposited onto Ti6Al4V substrates” I. Izquierdo-Barba, A. Asenjo, L. Esquivias and M. Vallet-Regí, European Journal of Inorganic Chemistry, 2003, 1608-1613 (2003).

• “La Microscopía de Fuerzas Magnéticas: Una técnica avanzada para la observación de Dominios Magnéticos”, A. Asenjo, J. M. García y M. Vázquez, Revista Española de Física, 15, 15-23 (portada) (2001).

• “Determination of closure domains penetration in electrodeposited microtubes by combined magnetic force microscopy and giant magneto-impedance techniques” J.M. García, A. Asenjo, M. Vázquez, A.M. Yakunin, A.S. Antonov, J.P. Sinnecker, J. of Appl.Phys, 89, 3888-3891 (2001).

• “Ratched effect in Surface Electromigration detected with Scanning Force Microscopy in gold micro-stripes”, P.de Pablo, J.Colchero, J.Gómez-Herrero, A.M.Baró, A.Asenjo, M.Luna, and P.A.Serena, Surface Science, 464, 123-130 (2000).

• “MFM study of dense stripes domains in FeB/CoSiB multilayers and its evolution under an external applied field” , A. Asenjo, D. García, J.M. García, C. Prados and M. Vázquez, Phys.Rev.B., 62, 6538-6544 (2000).

• “In situ observation of electromigration in micrometer-sized gold stripes by Scanning Force Microscopy” P.de Pablo, A.Asenjo, J.Colchero, P.A.Serena, J.Gómez-Herrero and A.M.Baró, Surface and Interface Analysis, 30, 278-282 (2000).

• “MFM imaging of FePd stripe domains. Evolution with Pt buffer layer thickness” A.Asenjo, J.M.García , D.García, A.Hernando, M.Vázquez, P.A.Caro, D.Ravelosona, A.Cebollada, F.Briones, J.Mag.Mag.Mat, 196, 23-25 (1999)

• “Magnetic Behavior of an array of cobalt nanowires”, J.M. García, A. Asenjo, J.Velázquez, D. García, M. Vázquez, P.Aranda, E. Ruiz-Hitzky, J. of Appl.Phys, 85, 5480-5482 (1999) .

• “Scanning Tunneling Microscopy and Spectroscopy of atomic modifications on WSe2.”, A.Asenjo, T. Schwaack, P.de Pablo, J.Gómez-Herrero E.K. Schweizer, C.Pettenkofer, H. Fuchs and A.M.Baró, Surface Science, 398 , 231-240 (1998) .

• “STM-SEM correlative study of facetted gold” A.Asenjo, J.Gómez-Herrero and A.M.Baró,J. of Microscopy, 188, 243-248 (1997)

• “STM/SEM Combined Instrument” A. Asenjo, A. Buendía, J.M. Gómez-Rodríguez and A.M. Baró, J.Vac.Sci.Technol. B 12, 1658 (1994).

• “Current Imaging Tunneling Spectroscopy of Metallic Deposits on Silicon”, A.Asenjo, J.M. Gómez-Rodríguez and A.M.Baró, Ultramicroscopy 42, 933-939 (1992