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Type: Artigo de periódico
Title: Automated System For Measuring The Complex Impedance And Its Relaxation In Soft Magnetic Materials
Author: Sinnecker J.P.
Knobel M.
Sartorelli M.L.
Schonmaker J.
Silva F.C.S.
Abstract: A fully automated system, designed to measure both components of the impedance as functions of applied field (up to 130 Oe), current intensity (up to 20 mA) and frequency (up to 1 MHz), is presented. Also, this apparatus allows impedance relaxation to be recorded. High sensitivity is achieved by using lock-in technique, and weak relative changes of the impedance, down to an order of 0.1%, can be observed.
Editor: EDP Sci, Les Ulis Cedex A, France
Rights: aberto
Identifier DOI: 
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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