Probing orbital ordering in LaVO3 epitaxial films by Raman scattering

被引：11

作者：

Vrejoiu, I. ^{[1
]}

Himcinschi, C. ^{[2
]}

Jin, L. ^{[3
]}

Jia, C. -L. ^{[3
]}

Raab, N. ^{[4
]}

Engelmayer, J. ^{[1
]}

Waser, R. ^{[4
]}

Dittmann, R. ^{[4
]}

van Loosdrecht, P. H. M. ^{[1
]}

机构：

[1] Univ Cologne, Phys Inst, D-50937 Cologne, Germany

[2] TU Bergakad Freiberg, Inst Theoret Phys, D-09596 Freiberg, Germany

[3] Forschungszentrum Julich, Peter Grunberg Inst PGI 5, D-52425 Julich, Germany

[4] Forschungszentrum Julich, Peter Grunberg Inst PGI 7, D-52425 Julich, Germany

来源：

APL MATERIALS | 2016年 / 4卷 / 04期

关键词：

MAGNETIC-PROPERTIES; SPECTROSCOPY; LA1-XSRXVO3; TRANSITION; YVO3;

D O I：

10.1063/1.4945658

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Single crystals of Mott-Hubbard insulator LaVO3 exhibit spin and orbital ordering along with a structural change below approximate to 140 K. The occurrence of orbital ordering in epitaxial LaVO3 films has, however, been little investigated. By temperature-dependent Raman scattering spectroscopy, we probed and evidenced the transition to orbital ordering in epitaxial LaVO3 film samples fabricated by pulsed-laser deposition. This opens up the possibility to explore the influence of different epitaxial strain (compressive vs. tensile) and of epitaxy-induced distortions of oxygen octahedra on the orbital ordering, in epitaxial perovskite vanadate films. (C) 2016 Author(s).

引用

页数：10

共 42 条

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