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Effect of cation size variance on spin and orbital order in Eu$_{1-x}$(La$_{0.254}$Y$_{0.746}$)$_{x}$VO$_3$ (1110.0894v1)
Published 5 Oct 2011 in cond-mat.str-el
Abstract: We have investigated the $R$-ion ($R$ = rare earth or Y) size variance effect on spin/orbital order in Eu${1-x}$(La${0.254}$Y${0.746}$)${x}$VO$_3$. The size variance disturbs one-dimensional orbital correlation in $C$-type spin/$G$-type orbital ordered states and suppresses this spin/orbital order. In contrast, it stabilizes the other spin/orbital order. The results of neutron and resonant X-ray scattering denote that in the other ordered phase, the spin/orbital patterns are $G$-type/$C$-type, respectively.
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