Publications
Tuning the thermal relaxation of transition-metal ferrite nanoparticles through their intrinsic magnetocrystalline anisotropy; J. M. Vargas, A. Srivastava, A. Yourdkhani, L. Zaldivar, G. Caruntu, and Leonard Spinu, J. Appl. Phys. 110, 064304 (2011).......... Role of spinel substrate in the morphology of BiFeO3-CoFe2O4 epitaxial nanocomposite films; Ilan Stern, Jibao He, Xiaolan Zhou, Punam Silwal, Ludi Miao, Jose Marcelo Vargas, Leonard Spinu, and Dae Ho Kim, Appl. Phys. Lett. 99, 082908 (2011).......... Quantum Critical Kondo Quasiparticles Probed by ESR in b-YbAlB4; L. M. Holanda, J. M. Vargas, et al., Phys. Rev. Lett. 107, 026402 (2011).......... Absence of Exchange Interaction Between Localized Magnetic Moments and Conduction-Electrons in Magnetic Ions Diluted in Ag-Nanoparticles, J. M. Vargas, et al, J. Nanosci. Nanotech. 11, 2126 (2011).......... Synthesis and characterization of core/shell Fe3O4/ZnSe fluorescent magnetic nanoparticles; J. M. Vargas et al., J. Appl. Phys 109, 07B536 (2011).......... Ag-Fe3O4 Dimer Colloidal Nanoparticles: Synthesis and Enhancement of Magnetic Properties; G. Lopes, J. M. Vargas, et al., J. Phys. Chem. 114, 10148 (2010).......... Absence of Exchange Interaction between Localized Magnetic Moments and Conduction-Electrons in Magnetic Ions Diluted in Ag-Nanoparticles; J. M. Vargas, W. Iwamoto, et al., J. Nanosci. Nanotech. 11, 2126 (2011).......... Single-step chemical synthesis of ferrite hollow nanospheres; E. Lima Jr, J. M. Vargas, R. D. Zysler, H. R. Rechenberg, R. Cohen, J. Arbiol, G. F. Goya, A. Ibarra and M. R. Ibarra, Nanotechnology 20, 045606 (2009).......... Size dependence on the ordering process in colloidal FePt nanoparticles; Vargas J.M., Zysler R.D., Socolovsky L.M., Knobel M., Zanchet D., Journal of Applied Physics 101, 023903 (2007).......... Thermal stabilization of magnetic nanoparticles embedded in a ferromagnetic matrix; Vargas J.M., Gomez J., Zysler R.D., Butera A., Nanotechnology 18, 115714 (2007)