Phonon mode links ferroicities in multiferroic [(CH3)2NH2]Mn(HCOO)3

被引：16

作者：

Hughey, Kendall D. ^{[1
]}

Clune, Amanda J. ^{[1
]}

Yokosuk, Michael O. ^{[1
]}

al-Wahish, Amal ^{[1
]}

O'Neal, Kenneth R. ^{[1
]}

Fan, Shiyu ^{[2
]}

Abhyankar, Nandita ^{[3
,4
,5
]}

Xiang, Hongjun ^{[6
,7
,8
]}

Li, Zhiqiang ^{[4
]}

Singleton, John ^{[9
]}

Dalal, Naresh S. ^{[3
,4
]}

Musfeldt, Janice L. ^{[1
,2
]}

机构：

[1] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA

[2] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA

[3] Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA

[4] Natl High Magnet Field Lab, Tallahassee, FL 32310 USA

[5] NIST, Ctr Nanoscale Sci & Technol, Gaithersburg, MD 20878 USA

[6] Fudan Univ, State Key Lab Surface Phys, Minist Educ, Key Lab Computat Phys Sci, Shanghai 200433, Peoples R China

[7] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China

[8] Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China

[9] Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW B | 2017年 / 96卷 / 18期

基金：

美国国家科学基金会;

关键词：

METAL-ORGANIC FRAMEWORK; AUGMENTED-WAVE METHOD; WEAK FERROMAGNETISM; BEHAVIOR; FORMATE; TRANSITION; RAMAN;

D O I：

10.1103/PhysRevB.96.180305

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We combined magnetoinfrared spectroscopy, magnetization, and lattice dynamics calculations to explore the phase transitions in multiferroic [(CH3)(2)NH2]Mn(HCOO)(3). Both the 185 K ferroelectric transition and the magnetically driven transition to the fully saturated state at 15.3 T involve the formate bending mode, direct evidence of a common connection between the two types of ferroicities and for how lattice distortions promote high-temperature magnetoelectric coupling in this system.

引用

页数：5

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