Caracterização elétrica e magnética de Fe granular embebido em matriz de ZnSe

dc.contributorOliveira, Adilson Jesus Aparecido de
dc.contributorhttp://lattes.cnpq.br/4640148190073166
dc.contributorhttp://lattes.cnpq.br/4464937635959170
dc.creatorMuniz, Pedro Schio de Noronha
dc.date.accessioned2008-07-02
dc.date.accessioned2016-06-02T20:16:42Z
dc.date.available2008-07-02
dc.date.available2016-06-02T20:16:42Z
dc.date.created2008-07-02
dc.date.created2016-06-02T20:16:42Z
dc.date.issued2008-03-13
dc.identifierMUNIZ, Pedro Schio de Noronha. Caracterização elétrica e magnética de Fe granular embebido em matriz de ZnSe. 2008. 88 f. Dissertação (Mestrado em Ciências Exatas e da Terra) - Universidade Federal de São Carlos, São Carlos, 2008.
dc.identifierhttps://repositorio.ufscar.br/handle/ufscar/5002
dc.description.abstractElectric and magnetic properties of nanoscopic clusters of iron immersed in Zinc Selenide were studied in this work. The system presents superparamagnetic behavior with a weak thermally activate ferromagnetic interaction. Small tunnel magnetoresistence was observed in room temperature (approximately 1% with fields of 30 kOe) and its behavior was observed as a function of temperature and bias. This work demonstrate that a despite of excellent macroscopic and microscopic properties of Fe/ZnSe/Fe epitaxial heterostructures the experimental observation shows small values of tunnel magnetoristance in room temperature. This results shows that the application of this materials in spintronics devices is limited.
dc.publisherUniversidade Federal de São Carlos
dc.publisherBR
dc.publisherUFSCar
dc.publisherPrograma de Pós-Graduação em Física - PPGF
dc.rightsAcesso Aberto
dc.subjectFísica do estado sólido
dc.subjectHeteroestruturas epitaxiais
dc.subjectSpintrônica
dc.subjectMagnetorresistência túnel ressonante
dc.titleCaracterização elétrica e magnética de Fe granular embebido em matriz de ZnSe
dc.typeTesis


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