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Title: Magnetic ordering-induced multiferroic behavior in [CH3NH3][Co(HCOO)3] metal-organic framework.

Abstract

Here, we present the first example of magnetic ordering-induced multiferroic behavior in a metal–organic framework magnet. This compound is [CH3NH3][Co(HCOO)3] with a perovskite-like structure. The A-site [CH3NH3]+ cation strongly distorts the framework, allowing anisotropic magnetic and electric behavior and coupling between them to occur. This material is a spin canted antiferromagnet below 15.9 K with a weak ferromagnetic component attributable to Dzyaloshinskii–Moriya (DM) interactions and experiences a discontinuous hysteretic magnetic-field-induced switching along [010] and a more continuous hysteresis along [101]. Coupling between the magnetic and electric order is resolved when the field is applied along this [101]: a spin rearrangement occurs at a critical magnetic field in the ac plane that induces a change in the electric polarization along [101] and [10-1]. The electric polarization exhibits an unusual memory effect, as it remembers the direction of the previous two magnetic-field pulses applied. The data are consistent with an inverse-DM mechanism for multiferroic behavior.

Authors:
 [1];  [2];  [1];  [3];  [1];  [1];  [1];  [2]
  1. Univ. of Coruna, Coruna (Spain)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Univ. of Santiago de Compostela, Santiago de Compostela (Spain)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Laboratory Directed Research and Development (LDRD) Program
OSTI Identifier:
1296677
Report Number(s):
LA-UR-15-28719
Journal ID: ISSN 0002-7863
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
Journal of the American Chemical Society
Additional Journal Information:
Journal Volume: 138; Journal Issue: 4; Journal ID: ISSN 0002-7863
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; high magnetic field science

Citation Formats

Gomez-Aguirre, Lilian Claudia, Zapf, Vivien S., Pato-Doldan, Breogan, Mira, Jorge, Castro-Garcia, Socorro, Senaris-Rodriguez, Maria Antonia, Sanchez-Andujara, Manuel, and Singleton, John. Magnetic ordering-induced multiferroic behavior in [CH3NH3][Co(HCOO)3] metal-organic framework.. United States: N. p., 2015. Web. doi:10.1021/jacs.5b11688.
Gomez-Aguirre, Lilian Claudia, Zapf, Vivien S., Pato-Doldan, Breogan, Mira, Jorge, Castro-Garcia, Socorro, Senaris-Rodriguez, Maria Antonia, Sanchez-Andujara, Manuel, & Singleton, John. Magnetic ordering-induced multiferroic behavior in [CH3NH3][Co(HCOO)3] metal-organic framework.. United States. doi:https://doi.org/10.1021/jacs.5b11688
Gomez-Aguirre, Lilian Claudia, Zapf, Vivien S., Pato-Doldan, Breogan, Mira, Jorge, Castro-Garcia, Socorro, Senaris-Rodriguez, Maria Antonia, Sanchez-Andujara, Manuel, and Singleton, John. Wed . "Magnetic ordering-induced multiferroic behavior in [CH3NH3][Co(HCOO)3] metal-organic framework.". United States. doi:https://doi.org/10.1021/jacs.5b11688. https://www.osti.gov/servlets/purl/1296677.
@article{osti_1296677,
title = {Magnetic ordering-induced multiferroic behavior in [CH3NH3][Co(HCOO)3] metal-organic framework.},
author = {Gomez-Aguirre, Lilian Claudia and Zapf, Vivien S. and Pato-Doldan, Breogan and Mira, Jorge and Castro-Garcia, Socorro and Senaris-Rodriguez, Maria Antonia and Sanchez-Andujara, Manuel and Singleton, John},
abstractNote = {Here, we present the first example of magnetic ordering-induced multiferroic behavior in a metal–organic framework magnet. This compound is [CH3NH3][Co(HCOO)3] with a perovskite-like structure. The A-site [CH3NH3]+ cation strongly distorts the framework, allowing anisotropic magnetic and electric behavior and coupling between them to occur. This material is a spin canted antiferromagnet below 15.9 K with a weak ferromagnetic component attributable to Dzyaloshinskii–Moriya (DM) interactions and experiences a discontinuous hysteretic magnetic-field-induced switching along [010] and a more continuous hysteresis along [101]. Coupling between the magnetic and electric order is resolved when the field is applied along this [101]: a spin rearrangement occurs at a critical magnetic field in the ac plane that induces a change in the electric polarization along [101] and [10-1]. The electric polarization exhibits an unusual memory effect, as it remembers the direction of the previous two magnetic-field pulses applied. The data are consistent with an inverse-DM mechanism for multiferroic behavior.},
doi = {10.1021/jacs.5b11688},
journal = {Journal of the American Chemical Society},
number = 4,
volume = 138,
place = {United States},
year = {2015},
month = {12}
}

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