期刊
NPJ QUANTUM MATERIALS
卷 1, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/npjquantmats.2016.12
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资金
- U.S. Dept. of Energy via LANL LDRD program
- U.S. National Science Foundation I2CAM International Materials Institute Award [DMR-1411344]
- SPIN-CNR SEED project [PAQSE001]
- European Union [PCIG12-GA-2012-326499-FOXIDUET]
- ERC
- Lujan Neutron Scattering Center (Los Alamos National Laboratory)
- DOE [DE-AC52-06NA25396]
- U.S. National Science Foundation [DMR-1157490]
- State of Florida
- U.S. Department of Energy
- SNSF [20PC21_155659/1, 200021_147080/1]
- Swiss National Science Foundation (SNF) [200021_147080, 20PC21_155659] Funding Source: Swiss National Science Foundation (SNF)
- Grants-in-Aid for Scientific Research [16K13658] Funding Source: KAKEN
Multiferroics and magnetoelectrics with coexisting and coupled multiple ferroic orders are materials promising new technological advances. While most studies have focused on single-phase or heterostructures of inorganic materials, a new class of materials called metal-organic frameworks (MOFs) has been recently proposed as candidate materials demonstrating interesting new routes for multiferroism and magnetoelectric coupling. Herein, we report on the origin of multiferroicity of (CH3)(2)NH2Mn(HCOO)(3) via direct observation of ferroelectric domains using second-harmonic generation techniques. For the first time, we observe how these domains are organized (sized in micrometer range), and how they are mutually affected by applied electric and magnetic fields. Calculations provide an estimate of the electric polarization and give insights into its microscopic origin.
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