Spin dynamics in Fe2O3-TeO2 glass : Experimental evidence for an amorphous oxide spin glass
作者： Hirofumi Akamatsu , Katsuhisa Tanaka , Koji Fujita , Shunsuke Murai
DOI: 10.1103/PHYSREVB.74.012411
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摘要: We have examined spin dynamics including magnetic aging and memory effects as well critical slowing down for $20{\mathrm{Fe}}_{2}{\mathrm{O}}_{3}∙80\mathrm{Te}{\mathrm{O}}_{2}$ (mol %) glass. Scaling analysis on reveals that the present glass exhibits a behavior observed in prototype of glasses. Aging peculiar to glasses been magnetically ordered phase These experimental results strongly confirm is converted into at very low temperature. It thought disordered structure oxide gives rise randomness frustration structure, leading transition.
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