Buscar
Mostrando ítems 1-10 de 24
Estudo da influência de íons titânio e cobalto nas propriedades magnéticas e absorvedoras de ondas eletromagnéticas de hexaferrita de bário
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, 2008-02-22)
In this work Cobalt and Titanium doped Barium hexaferrites were
synthesized by the ceramic method in order to study their use as
electromagnetic absorbing materials in high frequencies. The dopants were
used individually ...
Evidence of existence of metastable SrFe12O19 nanoparticles
(Elsevier Science BvAmsterdamHolanda, 2011)
Anisotropy field and transverse susceptibility in nanocrystalline hexaferrites
(Elsevier, 2006-10-01)
Nanocrystalline strontium and barium hexaferrites were produced by an ionic coordination reaction method. The average particle size obtained using the Rietveld X-ray refinement technique and by scanning electron microscopy ...
Light absorption properties of mesoporous barium hexaferrite, BaFe12O19
(Elsevier, 2019)
Light absorption properties are one of the most important characteristics of semiconductor materials,
since it is related to particle size, electric resistance, powder density, and dielectric constant. Barium hexaferrite ...
Sinterização em forno de micro-ondas da hexaferrita de bário dopada com cromo
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, 2014-08-01)
Barium hexaferrite (BaM) is a magnetic ceramic material with a hexagonal crystal structure, which is widely used as a permanent magnet and in electronic devices, magnetic recording media, electromagnetic wave absorbers, ...