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Title: Magnetoelectric behavior via a spin state transition

Abstract

In magnetoelectric materials, magnetic and dielectric/ferroelectric properties couple to each other. This coupling could allow lower power consumption and new functionalities in devices such as sensors, memories and transducers, since voltages instead of electric currents are sensing and controlling the magnetic state. We investigate a different method to magnetoelectric coupling in which we use the magnetic spin state instead of the more traditional ferro or antiferromagnetic order to couple to electric properties. In our molecular compound, magnetic field induces a spin crossover from the S=1 to the S=2 state of Mn 3+, which in turn generates molecular distortions and electric dipoles. These dipoles couple to the magnetic easy axis, and form different polar, antipolar and paraelectric phases vs magnetic field and temperature. Spin crossover compounds are a large class of materials where the spin state can modify the structure, and here we demonstrate that this is a route to magnetoelectric coupling.

Authors:
 [1];  [2];  [2];  [2]; ORCiD logo [3]; ORCiD logo [1]; ORCiD logo [4];  [5];  [5]; ORCiD logo [1];  [6]; ORCiD logo [7]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). National High Magnetic Field Lab. (MagLab)
  2. Univ. of Florida, Gainesville, FL (United States)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Chemistry Division IIAC
  4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Material Science and Technology MST-11
  5. Harvey Mudd College, Claremont, CA (United States)
  6. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
  7. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF)
OSTI Identifier:
1565851
Report Number(s):
LA-UR-17-29041
Journal ID: ISSN 2041-1723
Grant/Contract Number:  
89233218CNA000001; SC0019330
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 10; Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Chikara, Shalinee, Gu, Jie, Zhang, X. -G., Cheng, Hai-Ping, Smythe, Nathan, Singleton, John, Scott, Brian, Krenkel, Elizabeth, Eckert, Jim, Zapf, Vivien S., Batista, Cristian, and Lin, Shizeng. Magnetoelectric behavior via a spin state transition. United States: N. p., 2019. Web. doi:10.1038/s41467-019-11967-3.
Chikara, Shalinee, Gu, Jie, Zhang, X. -G., Cheng, Hai-Ping, Smythe, Nathan, Singleton, John, Scott, Brian, Krenkel, Elizabeth, Eckert, Jim, Zapf, Vivien S., Batista, Cristian, & Lin, Shizeng. Magnetoelectric behavior via a spin state transition. United States. doi:10.1038/s41467-019-11967-3.
Chikara, Shalinee, Gu, Jie, Zhang, X. -G., Cheng, Hai-Ping, Smythe, Nathan, Singleton, John, Scott, Brian, Krenkel, Elizabeth, Eckert, Jim, Zapf, Vivien S., Batista, Cristian, and Lin, Shizeng. Fri . "Magnetoelectric behavior via a spin state transition". United States. doi:10.1038/s41467-019-11967-3. https://www.osti.gov/servlets/purl/1565851.
@article{osti_1565851,
title = {Magnetoelectric behavior via a spin state transition},
author = {Chikara, Shalinee and Gu, Jie and Zhang, X. -G. and Cheng, Hai-Ping and Smythe, Nathan and Singleton, John and Scott, Brian and Krenkel, Elizabeth and Eckert, Jim and Zapf, Vivien S. and Batista, Cristian and Lin, Shizeng},
abstractNote = {In magnetoelectric materials, magnetic and dielectric/ferroelectric properties couple to each other. This coupling could allow lower power consumption and new functionalities in devices such as sensors, memories and transducers, since voltages instead of electric currents are sensing and controlling the magnetic state. We investigate a different method to magnetoelectric coupling in which we use the magnetic spin state instead of the more traditional ferro or antiferromagnetic order to couple to electric properties. In our molecular compound, magnetic field induces a spin crossover from the S=1 to the S=2 state of Mn3+, which in turn generates molecular distortions and electric dipoles. These dipoles couple to the magnetic easy axis, and form different polar, antipolar and paraelectric phases vs magnetic field and temperature. Spin crossover compounds are a large class of materials where the spin state can modify the structure, and here we demonstrate that this is a route to magnetoelectric coupling.},
doi = {10.1038/s41467-019-11967-3},
journal = {Nature Communications},
number = 1,
volume = 10,
place = {United States},
year = {2019},
month = {9}
}

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