Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2001-09-06
Physics
Condensed Matter
Strongly Correlated Electrons
7 pages, 5 figures, submitted in shortened form to Phys. Rev. Lett
Scientific paper
10.1103/PhysRevLett.87.245501
Evidence has been found for a change in the ordered occupation of the vanadium d-orbitals at the 77K phase transition in YVO3, manifested by a change in the type of Jahn-Teller distortion. The orbital ordering above 77K is not destroyed at the magnetic ordering temperature of 116K, but is present as far as a second structural phase transition at 200K. The transition between orbital orderings is caused by an increase in octahedral tilting with decreasing temperature.
Blake G. R.
Menovsky A. A.
Nugroho Agung
Palstra Thomas T. M.
Ren Yan-Yu
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