Spin-phonon interaction and short-range order in Mn3Si2Te6

被引：12

作者：

Mijin, S. Djurdjic ^{[1
]}

Solajic, A. ^{[1
]}

Pesic, J. ^{[1
]}

Liu, Y. ^{[2
,6
]}

Petrovic, C. ^{[2
]}

Bockstedte, M. ^{[3
]}

Bonanni, A. ^{[4
]}

V. Popovic, Z. ^{[1
,5
]}

Lazarevic, N. ^{[1
]}

机构：

[1] Univ Belgrade, Inst Phys Belgrade, Pregrev 118, Belgrade 11080, Serbia

[2] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA

[3] Johannes Kepler Univ Linz, Inst Theoret Phys, Altenbergerstr 69, A-4040 Linz, Austria

[4] Johannes Kepler Univ Linz, Inst Semicond & Solid State Phys, Altenbergerstr 69, A-4040 Linz, Austria

[5] Serbian Acad Arts & Sci, Knez Mihailova 35, Belgrade 11000, Serbia

[6] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW B | 2023年 / 107卷 / 05期

基金：

奥地利科学基金会;

关键词：

TOTAL-ENERGY CALCULATIONS; WAVE; INTERFERENCE; SCATTERING; CRYSTAL;

D O I：

10.1103/PhysRevB.107.054309

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The vibrational properties of ferrimagnetic Mn3Si2Te6 single crystals are investigated using Raman spec-troscopy and density functional theory calculations. Eighteen Raman-active modes are identified, 14 of which are assigned according to the trigonal symmetry. Four additional peaks, obeying the A1g selection rules, are attributed to the overtones. The unconventional temperature evolution of the A51g mode self-energy suggests a competition between different short-range magnetic correlations that significantly impact the spin-phonon interaction in Mn3Si2Te6. The research provides comprehensive insight into the lattice properties, studies their temperature dependence, and shows arguments for the existence of competing short-range magnetic phases in Mn3Si2Te6.

引用

页数：6

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