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

Kendall D. Hughey, Amanda J. Clune, Michael O. Yokosuk, Amal al-Wahish, Kenneth R. O'Neal, Shiyu Fan, Nandita Abhyankar, Hongjun Xiang, Zhiqiang Li, John Singleton, Naresh S. Dalal, and Janice L. Musfeldt
Phys. Rev. B 96, 180305(R) – Published 22 November 2017

Abstract

We combined magnetoinfrared spectroscopy, magnetization, and lattice dynamics calculations to explore the phase transitions in multiferroic [(CH3)2NH2]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.

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  • Received 7 April 2017
  • Revised 14 April 2017

DOI:https://doi.org/10.1103/PhysRevB.96.180305

©2017 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Kendall D. Hughey1, Amanda J. Clune1, Michael O. Yokosuk1, Amal al-Wahish1, Kenneth R. O'Neal1, Shiyu Fan2, Nandita Abhyankar3,4,5, Hongjun Xiang6,7, Zhiqiang Li4, John Singleton8, Naresh S. Dalal3,4, and Janice L. Musfeldt1,2

  • 1Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, USA
  • 2Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
  • 3Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, USA
  • 4National High Magnetic Field Laboratory, Tallahassee, Florida 32310, USA
  • 5Center for Nanoscale Science and Technology, National Institute of Standards and Technology, Gaithersburg, Maryland 20878, USA
  • 6Key Laboratory of Computational Physical Sciences (Ministry of Education), State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai 200433, People's Republic of China
  • 7Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093, People's Republic of China
  • 8National High Magnetic Field Laboratory, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA

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Issue

Vol. 96, Iss. 18 — 1 November 2017

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