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Magnetostricção e ruído Barkhausen em aços elétricos de grão não-orientado
(Universidade Federal de Santa Maria, 2005-12-20)
Non-oriented electrical steels (NO) studied in this work are used in applications that demand isotropy of magnetic properties along the plane of the sheet, which the magnetic field is applied in different angles with respect ...
Dinâmica da magnetização e ruído Barkhausen em filmes finos magnéticos amorfos
(Universidade Federal de Santa Maria, 2006-05-31)
In this work, the effect of the thickness on the statistical properties of Barkhausen noise and dynamic hysteresis in thin films with compositions Fe73.5Cu1Nb3Si13.5B9,
Fe73.5Cu1Nb3Si16.5B6, Fe73.5Cu1Nb3Si18.5B4 and ...
Magnetoimpedância e dinâmica da magnetização em nanoestruturas ferromagneto/Cu (Ag)/ferromagneto
(Universidade Federal de Santa Maria, 2007-08-17)
In this work the static and dynamic magnetic properties are investigated in FM/i/Cu(Ag)/i/FM tri-layer structured samples where FM is the ferromagnetic multilayer and i is the SiO2 isolating layer. All samples have been ...