Observation of spontaneous ferriquadrupolar order in KDy(MoO4)2

被引：4

作者：

Zvyagin, A. A. ^{[1
,2
,3
]}

Kutko, K. ^{[2
]}

Kamenskyi, D. ^{[4
,5
]}

Peschanskii, A., V ^{[2
]}

Poperezhai, S. ^{[2
]}

Nesterenko, N. M. ^{[2
]}

机构：

[1] Max Planck Inst Phys Komplexer Syst, Noethnitzer Str 38, D-01187 Dresden, Germany

[2] Natl Acad Sci Ukraine, BI Verkin Inst Low Temp Phys & Engn, Nauky Ave 47, UA-61103 Kharkov, Ukraine

[3] Kharkov Natl Univ, Svobody Sq 4, UA-61002 Kharkov, Ukraine

[4] Radboud Univ Nijmegen, HFML, EMFL, Toerooiveld 7, NL-6525 ED Nijmegen, Netherlands

[5] Radboud Univ Nijmegen, FELIX Lab, Toernooiveld 7c, NL-6525 AJ Nijmegen, Netherlands

来源：

PHYSICAL REVIEW B | 2018年 / 98卷 / 06期

关键词：

TEMPERATURE PHASE-TRANSITION; RAMAN-SCATTERING; SYMMETRY ANALYSIS; SINGLE-CRYSTAL; SYSTEM;

D O I：

10.1103/PhysRevB.98.064406

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Using Raman and infrared spectroscopies, spontaneous ferriquadrupolar ordering has been observed in the rare-earth-based system KDy(MoO4)(2). Ordered quadrupoles in the electron subsystem attend nonequivalent distortions of rare-earth ions in the ordered phase. A mean-field theory explaining the onset of such a type of ordering has been constructed.

引用

页数：5

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