ICMM   CSIC

Group of Nanomagnetism and Magnetization Processes


AGUSTINA ASENJO

Investigadora Científica
Instituto de Ciencia de Materiales de Madrid
Consejo Superior de Investigaciones Científicas

Researcher ID: G-4380-2011
ORCID: 0000-0001-6524-9702

Brief CV:



Customized MFM probes based on magnetic nanorods
Patent: P201731292
M. Jaafar, A. Asenjo, et al.2017
Nanoscale, 12, 10090-10097 (2020)




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. Jaafar, M.  Vázquez, A. Asenjo
Scientific Reports 6, Article number: 29702(2016)



Recent Publications:
  • "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)

  • "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)

  • see previous works


    Last Projects
     Agustina Asenjo acerca las claves de las microscopias avanzadas de alta resolución a la UIMP.   UNED ¿qué sabemos de?  

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