Effect of cation size variance on spin and orbital order in Eu$_{1-x}$(La$_{0.254}$Y$_{0.746}$)$_{x}$VO$_3$

Details Effect of cation size variance on spin and orbital order in Eu$_{1-x}$(La$_{0.254}$Y$_{0.746}$)$_{x}$VO$_3$ Effect of cation size variance on spin and orbital order in Eu$_{1-x}$(La$_{0.254}$Y$_{0.746}$)$_{x}$VO$_3$

2011-10-05

arxiv.org/abs/1110.0894v1

Phys. Rev. B 84, 140409(R) (2011)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 4 figures, accepted to Rapid Communication in Physical Review B

Scientific paper

10.1103/PhysRevB.84.140409

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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