Almeida-Thouless Line in BiFeO3: Is Bismuth Ferrite a mean field spin glass - Condensed Matter > Materials ScienceReportar como inadecuado




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Abstract: Low-temperature magnetic properties of epitaxial BiFeO3 thin films grown on111-SrTiO3 substrates have been studied. ZFC and FC magnetization curves showa large discrepency beginning at a characteristic temperature Tf that isdependent on the magnetic-field strengh. TfH varies according to the wellknown de Aleimda-Thouless line varies in Hexp2-3 suggesting an acentriclong rnage spin-glass behavior and mean field system.



Autor: Manoj K. Singh, Ram S. Katiyar, W. Prellier, J.F. Scott

Fuente: https://arxiv.org/







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