Epitaxial growth and magnetoelectric relaxor behavior in multiferroic 0.8Pb(Fe1/2Nb1/2)O3-0.2Pb(Mg1/2W1/2)O3 thin films
作者： R. Blinc , J. Holc , N. Lemée , M. Kosec , V. V. Shvartsman
DOI: 10.1063/1.3242377
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摘要: We present electric and magnetic properties of 0.8Pb(Fe1/2Nb1/2)O3-0.2Pb(Mg1/2W1/2)O3 films epitaxially grown on (001) SrTiO3 substrates using pulsed laser deposition. A narrow deposition window around 710 oC 0.2 mbar has been identified to achieve epitaxial single-phase thin films. typical Vogel-Fulcher relaxor-like dielectric susceptibility dispersion is observed, suggesting magnetoelectric relaxor behavior in these similar the bulk. determine a cluster freezing temperature 36 K, while observing weak ferromagnetism via hysteresis loops up 300 K.
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