Switchable electric polarization and ferroelectric domains in a metal-organic-framework

Prashant Jain, Alessandro Stroppa, Dmitrii Nabok, Antigone Marino, Andrea Rubano, Domenico Paparo, Masakazu Matsubara, Heinz Nakotte, Manfred Fiebig, Silvia Picozzi, Eun Sang Choi, Anthony K. Cheetham, Claudia Draxl, Naresh S. Dalal, Vivien S. Zapf

Research output: Contribution to journalArticlepeer-review

98 Citations (Scopus)


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)2NH2Mn(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.

Original languageEnglish
Article number16012
Journalnpj Quantum Materials
Publication statusPublished - 2016 Sep 30

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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