Navegando por Palavras-chave "magnetoelectric coupling"

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    Magnetoelectric Contribution to Magnetoelastic Coupling in Pb(Fe1/2Nb1/2)O-3 Multiferroics Ceramics
    (Taylor & Francis Ltd, 2011-01-01) Fraygola, B.; Frizon, N.; Lente, M. H. [UNIFESP]; Coelho, Adelino A.; Garcia, D.; Eiras, J. A.; Universidade Federal de São Carlos (UFSCar); Universidade Federal de São Paulo (UNIFESP); Universidade Estadual de Campinas (UNICAMP)
    In this work, electrical permittivity, magnetic and anelastic measurements in lead iron niobate ceramics (PFN) were performed in the frequency and temperature range from 1 kHz to 10 MHz and from 15 K to 400 K, respectively. Anelastic results characterized unambiguously the magnetoelectric effect in the PFN, demonstrating that ME coupling arises indirectly via strain contribution rather than a direct coupling between electrical and magnetic order parameters.