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Propriedades magnéticas de BiMn2O5 e Fe3O2BO3
(Universidade Federal de São Carlos, 2018-02-26)
In this work, an exploration of the synthesis and magnetoelectric properties of single-crystals of BiMn2O5 and a systematic study of the magnetic properties of Fe3O2BO3 are presented. Despite the unlike composition, both ...
Dependência da anisotropia magnética efetiva em função da temperatura e concentração de níquel de amostras nanoparticuladas de NixCo1-xFe2O4
(Universidade Federal de São Carlos, 2018-03-07)
The study of nanoparticles has generated great interest in recent years in several areas of research. For example, multiferroic composite magnetoelectric materials, in which ferromagnetism and ferroelectricity occur ...
Modos massivos e paredes de domínio em líquidos de Fermi
(Universidade Federal de São Carlos, 2018-06-11)
In this thesis, we use Fermi liquid theory to deal with three problems. The first and second problems are about a direct and an indirect detection of the amplitude massive ‘‘Higgs’’ mode in weak ferromagnets like ZrZand M ...