Effect of strain on the magnetic and transport properties of the composite manganites, La$_{2/3}$Ca$_{1/3}$MnO$_3$/yttria-stabilized zirconia

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dc.creatorLiu, Wei
dc.creatorChen, Chinping
dc.creatorWang, Xinfeng
dc.creatorZhao, Jun
dc.creatorXu, Xiangyu
dc.creatorXu, Jun
dc.creatorYan, Shousheng
dc.date2004-06-14
dc.date.accessioned2026-07-07T02:58:37Z
dc.date.available2026-07-07T02:58:37Z
dc.descriptionThe magnetic and transport properties have been investigated for the composite polycrystalline manganites, (1-x)$La_{2/3}Ca_{1/3}MnO_3$/(x)yttria-stabilized zirconia ((1-x)LCMO/(x)YSZ), at various YSZ fractions, x, ranging from 0 % to 15 %. The ac magnetic susceptibility, $χ(T)$, DC magnetization, $M(T)$, temperature dependent resistivity, $ρ(T)$ and thermoelectric power (TEP), $S(T)$, have been measured. It was found, surprisingly, that a TEP peak showed up in the magnetic transition region for the sample with the x even as little as 0.75 %. The magnetic transition temperature reaches the minimum value as x increases from 0 % to 4.5 % and goes up as x increases further. Several possible factors such as the effect of strain, the finite size effect, and the effect of magnetic tunnelling coupling, {\it etc.}, in affecting the above physical properties of the composite manganites have been studied carefully. The strain induced by the YSZ/LCMO boundary layer (BL) was identified as the leading factor to account for the x dependence of these properties. It demonstrates that the effect of strain could be important in the bulk manganites as in the film sample.
dc.description1 text and 7 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0406309
dc.identifierhttp://arxiv.org/abs/cond-mat/0406309
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/24169
dc.subjectOther Condensed Matter
dc.titleEffect of strain on the magnetic and transport properties of the composite manganites, La$_{2/3}$Ca$_{1/3}$MnO$_3$/yttria-stabilized zirconia
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