AGUSTINA ASENJO BARAHONA
Investigadora Científica
Instituto de Ciencia de Materiales de Madrid
Consejo Superior de Investigaciones Científicas
Researcher ID: G-4380-2011
ORCID: 0000-0001-6524-9702
Current Research Interests
Advances in Magnetic Force Microscopy
Magnetic imaging at the nanoscale
Reversal Magnetization by Variable Field MFM (VFMFM)
Magneto-thermoelectric effects.
Brief CV
Member of the CSIC Commission for Women and Science
2023 Award RSEF-BBVA Mejor Contribución de Divulgación
Elected Member of the General Council of the EMA in 2020
Vicedirector of ICMM-CSIC from 2013 to 2018
Thesis co-supervisor of Eider Berganza, June 2018.
Thesis supervisor of Óscar Iglesias-Freire, June 2014.
Thesis co-supervisor of Wagner O. Rosa, December 2009.
Thesis supervisor of Miriam Jaafar, February 2009.
CSIC Senior Scientist since 2016
CSIC Scientist, 2006-2016
Research Associate, ICMM-CSIC, 2003-2006.
Lecturer and posdoct in Universidad Complutense de Madrid, 2000-2002. Supervisor: Juan M. Rojo.
"Postdoctoral Fellowship supported by Comunidad de Madrid", 1998-2000. Supervisor: Manuel Vázquez. IMA UCM-RENFE.
Ph.D in Physics from the Universidad Autónoma de Madrid in 1997. Thesis title : "Study of submicrometric structures by scanning tunnelling microscopy and scanning electron microcopy". Thesis Supervisor : Prof. Arturo M. Baró.
Research Fellowship supported by "Comunidad de Madrid", 1992.
LINKS
Las Nuevas Microscopías. Herramientas para la exploración del nanomundo
Juan Miguel de Dios, Agustina Asenjo, Jose Miguel García, Pedro Serena
Editorial Catarata ISBN 978-84-1067-071-6
Local characterisation of biomagnetic materials
Agustina Asenjo
Europhysics News, 54(4), pp. 20-22 (2023)
Domain Wall Propagation and Pinning Induced by Current Pulses in Cylindrical Modulated Nanowires
C. Bran, J. A. Fernandez-Roldan, J. A. Moreno, A. Fraile Rodríguez, R. P. del Real, A. Asenjo, E. Saugar, J. Marqués-Marchán, H. Mohammed, M. Foerster, L. Aballe, J. Kosel, M. Vazquez and O. Chubykalo-Fesenko
Nanoscale,15, 8387-8394, (2023)
High-Power-Density Energy-Harvesting Devices Based on the Anomalous Nernst Effect of Co/Pt Magnetic Multilayers
Lopez-Polin, G., Aramberri, H., Marques-Marchan, J., Weintrub, Benjamin, I., Bolotin, Kirill I., Cerdá, J.I., Asenjo, A.
ACS Applied Energy Materials , 5(9), , 11835-11843 (2022)
Stochastic vs deterministic magnetic coding in designed cylindrical nanowires for 3D magnetic networks
C. Bran, E. Saugar, J. A. Fernandez-Roldan, R. P. del Real, A. Asenjo, L. Aballe, M. Foerster, A. Fraile Rodríguez, E. M. Palmero, M. Vazquez and O. Chubykalo-Fesenko
Nanoscale, 13, 12587–12593, (2021)
Half-hedgehog spin textures in sub-100 nm soft magnetic nanodots
E. Berganza, M. Jaafar, J.A. Fernandez-Roldan, M. Goiriena-Goikoetxea, J. Pablo-Navarro, A. García-Arribas, K. Guslienko, C. Magén, J.M. De Teresa, O. Chubykalo-Fesenko, A. Asenjo
Nanoscale, 12, 18646-18653(2020)
Customized MFM probes based on magnetic nanorods
Patent: P201731292
M. Jaafar, A. Asenjo, et al.2017
Nanoscale, 12, 10090-10097 (2020)
Last Projects
“Thermomagnetic Materials with Perpendicular Magnetic Anisotropy”. PID2022-138169OB-I00. Ministerio de Ciencia e Innovación. IPs: A. Asenjo and D. Navas.
Estudio de magnetismo 3D en geometría cilíndrica para tecnologías emergentes con ahorro energético: dinámica inducida por corriente y de altas frecuencias, Ref: PID2019-108075RB-C31, IPs: O. Fesenko y A. Asenjo
CM, "Soluciones del nanomagnetismo a los retos sociales". Ref: P2018/NMT4321, 2019-2022, IP subproject A. Asenjo.
Spanish Network on Spintronics, Explorando el uso de la espintrónica para el desarrollo de dispositivos de bajo consumo de energía. Referencia: RED2022-134649-T, IP: O. Fesenko, 2023-2025
"Diseño de nanohilos magneticos para su uso en tecnologías limpias" MAT2016-76824-C3-1-R, 2017-2019, IP: A. Asenjo y R.Pérez del Real.
Recent Publications
“Local characterisation of biomagnetic materials”, Agustina Asenjo, Europhysics News, 54(4), pp. 20-22 (2023)
“Magneto-mechanically induced antimicrobial properties of cone-like shaped surfaces”, J. Marqués-Marchán, M. M. Fernandes, S. Lanceros-Méndez, A. Asenjo, (4/4), Appl. Mater. Today , 34, 101900 (2023)
“Domain Wall Propagation and Pinning Induced by Current Pulses in Cylindrical Modulated Nanowires”, C. Bran, J.A. Fdez Roldan, J. Moreno, A. Fraile Rodriguez, R. P. del Real, A. Asenjo, E. Saugar, J. Marqués-Marchán, H. Mohammed, M. Foerster, L. Aballe, J. Kosel, M. Vazquez and O. Chubykalo-Fesenko, Nanoscale,15, 8387-8394, (2023)
"3D quasi-skyrmions in thick cylindrical and dome-shape soft nanodots" Berganza, E.,Fernandez-Roldan, J.A., Jaafar, M ; Asenjo, A ; Guslienko, K, Chubykalo-Fesenko, O ,Sci.Rep,12 (1) 3426, (2022)
"High-Power-Density Energy-Harvesting Devices Based on the Anomalous Nernst Effect of Co/Pt Magnetic Multilayers" Lopez-Polin, G., Aramberri, H., Marques-Marchan, J., Weintrub, Benjamin, I., Bolotin, Kirill I., Cerdá, J.I., Asenjo, A., ACS Applied Energy Materials 5(9), 11835-11843 (2022)
"Spatial magnetic imaging of non-axially symmetric vortex domains in cylindrical nanowire by transmission X-ray microscopy", Fernandez-Roldan, J.A., Bran, C., Asenjo, A., Vázquez, M., Sorrentino,A., Ferrer,S., Chubykalo-Fesenko, O., del Real, R.P., Nanoscale 14 (37), 13661-13666, (2022)
"Distinguishing Local Demagnetization Contribution to the Magnetization Process in Multisegmented Nanowires", Marqués-Marchán, J., Fernandez-Roldan, J.A., Bran, C., Puttock, R., Barton, C., Moreno, J.A., Kosel, J., Vazquez, M., Kazakova, O., Chubykalo-Fesenko, O., Asenjo, A., Nanomaterials 12(12),1968, (2022)
"Stochastic vs. deterministic magnetic coding in designed cylindrical nanowires for 3D magnetic networks", C. Bran, E. Saugar, J. A. Fernandez-Roldan, R. P. del Real, A. Asenjo, L. Aballe, M. Foerster, A. Fraile Rodríguez, E.M. Palmero, M. Vázquez and O. Chubykalo-Fesenko, Nanoscale, 13, 12587–12593, (2021)
"Unraveling Dissipation-Related Features in Magnetic Imaging by Bimodal Magnetic Force Microscopy", M. Jaafar, A. Asenjo, Applied Sciences, 11, 10507 (2021)
"Evidence of skyrmion-tube mediated magnetization reversal in modulated nanowires", E. Berganza, J. Marqués-Marchán, C. Bran, M. Vazquez, A. Asenjo, M. Jaafar, Materials, 14(19), 5671 (2021)
"Quantitative mapping of magnetic properties at the nanoscale with bimodal AFM", V. G. Gisbert, C. A. Amo, M. Jaafar, A. Asenjo and R. Garcia, Nanoscale, 13, 2026-2033 (2021)
"Magnetic Configurations in Modulated Cylindrical Nanowires", C. Bran, J. A. Fernandez-Roldan, R. P. del Real, A. Asenjo, O. Chubykalo-Fesenko, and M. Vazquez, Nanomaterials , 11(3), 600 (2021)
"Half-hedgehog spin textures in sub-100 nm soft magnetic nanodots", E. Berganza, M. Jaafar, J.A. Fernandez-Roldan, M. Goiriena-Goikoetxea, J. Pablo-Navarro, A.García-Arribas, K.Guslienko, C.Magén, J.M. De Teresa, O. Chubykalo-Fesenkoa, A.Asenjo Nanoscale, 12, 18646-18653 (2020)
"Unveiling the Origin of Multidomain Structures in Compositionally Modulated Cylindrical Magnetic Nanowires", C.Bran, J.A.Fernandez-Roldan, R.P.Del Real, A.Asenjo, Y.Chen, J.Zhang, X.Zhang,A.Fraile Rodríguez,M.Foerster,L.Aballe, O.Chubykalo-Fesenko,M.Vazquez. ACS Nano 14, 10, 12819–12827 (2020)
"Customized MFM probes based on magnetic nanorods", M. Jaafar, J. Pablo-Navarro, E. Berganza, P. Ares, C. Magén, A. Masseboeuf, C. Gatel , E. Snoeck, J. Gómez-Herrero, J. M. de Teresa and A. Asenjo, Nanoscale, 12, 10090-10097 (2020)
"Structural, morphological and magnetic properties of GaSbMn/Si(111) thin films prepared by radio frequency magnetron sputtering", Pulzara-Mora C., Pulzara-Mora A., Forero-Pico A., Ayerbe-Samaca M., Marqués-Marchán J., Asenjo A., Nemes N.M., Arenas D., Sáez Puche R., Thin Solid Films, 705 (2020)
"Tailoring Bacteria Response by Piezoelectric Stimulation", E.O. Carvalho, M.M Fernandes, J. Padrao, A. Nicolau, J. Marqués-Marchán, A. Asenjo, F.M. Gama, C. Ribeiro, S. Lanceros-Mendez, ACS Appl. Mater. Interfaces 11, 30-27297-27305 (2019)
"Frontiers of magnetic force microscopy" , O. Kazakova, R. Puttock, C. Barton, H. Corte-León, M. Jaafar, V. Neu, and A. Asenjo, J. Appl. Phys. 125, 060901 (2019); doi: 10.1063/1.5050712
"Magnetization Ratchet in Cylindrical Nanowires", C. Bran, E. Berganza, JA. Fernandez-Roldan, EM. Palmero, J. Meier, E. Calle, M. Jaafar, M. Foerster, L. Aballe, AF. Rodriguez, RP.del Real, A. Asenjo, O. Chubykalo-Fesenko, M. Vazquez, Acs.Nano. 12, 5932-5939 (2018) , DOI: 10.1021/acsnano.8b02153
"Tailoring of Perpendicular Magnetic Anisotropy in Dy13Fe87 Thin Films with Hexagonal Antidot Lattice Nanostructure" M. Salaheldeen, V. Vega, A. Ibabe, M. Jaafar, A. Asenjo, A. Fernandez, VM. Prida, Nanomaterials 8, (2018) doi:10.3390/nano8040227
"Direct observation of transverse and vortex metastable magnetic domains in cylindrical nanowires", C. Bran, JA. Fernandez-Roldan, EM. Palmero, E. Berganza, J. Guzman, RP. del Real, A. Asenjo, AF.Rodriguez, M. Foerster, L. Aballe, O. Chubykalo-Fesenko, M. Vazquez, Phys. Rev. B 96, 125415 (2017)
"Multisegmented Nanowires: a Step towards the Control of the Domain Wall Configuration", E. Berganza, M. Jaafar, C. Bran, JA. Fernandez-Roldan, O.Chubykalo-Fesenko, M. Vazquez, A. Asenjo, Sci. Rep. 7,11576(2017)
"Magnetization reversal in circular vortex dots of small radius", M. Goiriena-Goikoetxea, KY. Guslienko, M. Rouco, I. Orue, E. Berganza,M. Jaafar, A. Asenjo, ML. Fernandez-Gubieda, LF. Barquin, A. Garcia-Arribas, Nanoscale 9, 11269-11278 (2017)
"Magnetic hardening and domain structure in Co/Pt antidots with perpendicular anisotropy", C. Bran, P. Gawronski, I. Lucas, RP. del Real, P. Strichovanec, A. Asenjo, M. Vazquez, O. Chubykalo-Fesenko, J. Phys. D Appl.Phys.50, re00-10 (2017)