Double-Bilayer polar nanoregions and Mn antisites in (Ca, Sr)3Mn2O7

Leixin Miao; Kishwar-E Hasin; Parivash Moradifar; Debangshu Mukherjee; Ke Wang; Sang-Wook Cheong; Elizabeth A. Nowadnick; Nasim Alem

doi:10.1038/s41467-022-32090-w

Nature Communications (Aug 2022)

Double-Bilayer polar nanoregions and Mn antisites in (Ca, Sr)3Mn2O7

Leixin Miao,
Kishwar-E Hasin,
Parivash Moradifar,
Debangshu Mukherjee,
Ke Wang,
Sang-Wook Cheong,
Elizabeth A. Nowadnick,
Nasim Alem

Affiliations

Leixin Miao: Department of Materials Science and Engineering, The Pennsylvania State University
Kishwar-E Hasin: Department of Materials Science and Engineering, University of California
Parivash Moradifar: Department of Materials Science and Engineering, The Pennsylvania State University
Debangshu Mukherjee: Computational Sciences & Engineering Division, Oak Ridge National Laboratory
Ke Wang: Materials Research Institute, The Pennsylvania State University
Sang-Wook Cheong: Rutgers Center for Emergent Materials and Department of Physics and Astronomy, Rutgers University
Elizabeth A. Nowadnick: Department of Materials Science and Engineering, University of California
Nasim Alem: Department of Materials Science and Engineering, The Pennsylvania State University

DOI: https://doi.org/10.1038/s41467-022-32090-w
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 9

Abstract

Read online

The competition between the polar and nonpolar phase in the prototypical hybrid improper ferroelectric crystal Ca3Mn2O7 leads to exotic properties. Here, the authors directly imaged the crystal at atomic resolution to understand its nanostructure and discovered the double bilayer polar nanoregion.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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