Spin-orbital phase diagram of perovskite-type R VO 3 ( R = rare -earth ion or Y)
Spin-orbital phase diagram of perovskite-type R VO 3 ( R = rare -earth ion or Y)
Miyasaka, S; Okimoto, Y; Iwama, M; Tokura, Y
2003-09-01 00:00:00
The global phase diagram for the spin and orbital ordering has been investigated for perovskite-type R VO 3 ( R being a rare-earth ion or Y) by measurements of specific heat, magnetization, and Raman-scattering spectra. R VO 3 ( R = Lu - Pr ) , in which the large tilting of VO 6 tends to stabilize the collective Jahn-Teller distortion, shows a structural phase transition concomitantly with the G -type orbital ordering (OO) at a temperature far above the C -type magnetic transition temperature. By contrast the C -type spin correlation appears to develop primarily and then induce the G -type OO in CeVO 3 and LaVO 3 with smaller lattice distortion.
http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.pngPhysical Review BAmerican Physical Society (APS)http://www.deepdyve.com/lp/american-physical-society-aps/spin-orbital-phase-diagram-of-perovskite-type-r-vo-3-r-rare-earth-ion-XJtaYwFUmQ
Spin-orbital phase diagram of perovskite-type R VO 3 ( R = rare -earth ion or Y)
The global phase diagram for the spin and orbital ordering has been investigated for perovskite-type R VO 3 ( R being a rare-earth ion or Y) by measurements of specific heat, magnetization, and Raman-scattering spectra. R VO 3 ( R = Lu - Pr ) , in which the large tilting of VO 6 tends to stabilize the collective Jahn-Teller distortion, shows a structural phase transition concomitantly with the G -type orbital ordering (OO) at a temperature far above the C -type magnetic transition temperature. By contrast the C -type spin correlation appears to develop primarily and then induce the G -type OO in CeVO 3 and LaVO 3 with smaller lattice distortion.
Journal
Physical Review B
– American Physical Society (APS)
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