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- Universidade Estadual de Campinas (UNICAMP)BR67 papers
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5 papers · 1 filter
Temperature and high-pressure dependent X-ray absorption of SmNiO3 at the Ni K- and Sm L3- edges
Néstor E. Massa, Aline Y. Ramos, Helio C. N. Tolentino +3
We report on XANES and EXAFS measurements of SmNiO3 from 20 K to 600 K and up to 38 GPa at the Ni K- and Sm L3- edges. A multiple component pre- Ni K-edge tail is understood origin…
Electronic Correlation and Magnetism in the Ferromagnetic Metal Fe3GeTe2
Jian-Xin Zhu, Marc Janoschek, D. S. Chaves +9
Motivated by the search for design principles of rare-earth-free strong magnets, we present a study of electronic structure and magnetic properties of the ferromagnetic metal Fe3Ge…
Indirect switching of vortex polarity through magnetic dynamic coupling
G. B. M. Fior, E. R. P. Novais, J. P. Sinnecker +2
Magnetic vortex cores exhibit a gyrotropic motion, and may reach a critical velocity, at which point they invert their z-component of the magnetization. We performed micromagnetic…
High-throughput nanoparticle analysis in a FEG-SEM using an inexpensive multi-sample STEM-ADF system
M. J. Lagos, P. C. da Silva, D. Ugarte
Nanotechnology research requires the routine use of characterization methods with high spatial resolution. These experiments are rather costly, not only from the point of view of t…
Higher-Order Generalized Hydrodynamics of Carriers and Phonons in Semiconductors in the Presence of Electric Fields: Macro to Nano
Clóves G. Rodrigues, A. Rubens B. Castro, Roberto Luzzi
It is analyzed the hydrodynamics of carriers (charge and heat motion) and phonons (heat motion) in semiconductors in the presence of constant electric fields. This is done in terms…