Spin, orbital ordering, and magnetic dynamics of LaVO3:: Magnetization, heat capacity, and neutron scattering studies

被引：27

作者：

Tung, L. D. ^{[1
]}

Ivanov, A. ^{[2
]}

Schefer, J. ^{[3
,4
]}

Lees, M. R. ^{[5
]}

Balakrishnan, G. ^{[5
]}

Paul, D. McK. ^{[5
]}

机构：

[1] Univ Liverpool, Dept Phys, Liverpool L69 7ZE, Merseyside, England

[2] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France

[3] Swiss Fed Inst Technol, Neutron Scattering Lab, CH-5232 Villigen, Switzerland

[4] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

[5] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

来源：

PHYSICAL REVIEW B | 2008年 / 78卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1103/PhysRevB.78.054416

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the results of magnetization, heat capacity, and neutron scattering studies of LaVO(3) single crystals. From the neutron-diffraction studies, it was found that the compound is magnetically ordered with a C-type antiferromagnetic spin structure at about 136 K. In the vicinity of the ordering temperature, we also observed hysteresis in the neutron-diffraction data measured on cooling and heating which indicates the first-order nature of the phase transition. In the antiferromagnetically ordered phase, the inelastic neutron scattering studies reveal the presence of a temperature independent c-axis spin-wave gap of about 6 meV which is similar to that previously reported for the sister compound YVO(3).

引用

页数：5

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