Phase diagram and spin waves in the frustrated ferro-antiferromagnet SrZnVO(PO4)2

被引：4
|
作者：
Landolt, F. [1 ]
Yan, Z. [1 ]
Gvasaliya, S. [1 ]
Beauvois, K. [2 ]
Ressouche, E. [2 ]
Xu, J. [3 ,4 ]
Zheludev, A. [1 ]
机构：
[1] Swiss Fed Inst Technol, Lab Solid State Phys, CH-8093 Zurich, Switzerland
[2] Univ Grenoble Alpes, MDN, MEM, IRIG,CEA, F-38000 Grenoble, France
[3] Helmholtz Zentrum Berlin Mat & Energie, D-14109 Berlin, Germany
[4] Tech Univ Munich, Heinz Maier Leibnitz Zentrum MLZ, D-85748 Garching, Germany
来源：
PHYSICAL REVIEW B | 2021年 / 104卷 / 22期
基金：
瑞士国家科学基金会;
关键词：
Neutron scattering - Zinc compounds - Lead compounds - Neutron diffraction - Single crystals - Phase diagrams - Strontium compounds;
D O I：
10.1103/PhysRevB.104.224435
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Single crystals of the frustrated S = 1/2 ferro-antiferromagnetic proximate square lattice material SrZnVO(PO4)2 are studied in magnetometric, calorimetric, neutron diffraction, and inelastic neutron scattering experiments. The measured spin wave spectrum reveals a substantial degree of magnetic frustration and a large quantum renormalization of the exchange constants. The H-T magnetic phase diagram is established. It features a novel presaturation phase, which appears for only one particular field orientation. The results are discussed noting the similarities and differences with the previously studied and similarly structured Pb2VO(PO4)2 compound.
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页数：8
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