Discovery of robust in-plane ferroelectricity in atomic-thick SnTe

Science56.90
Volume: 353, Issue: 6296, Pages: 274 - 278
Published: Jul 15, 2016
Abstract
Stable ferroelectricity with high transition temperature in nanostructures is needed for miniaturizing ferroelectric devices. Here, we report the discovery of the stable in-plane spontaneous polarization in atomic-thick tin telluride (SnTe), down to a 1-unit cell (UC) limit. The ferroelectric transition temperature T(c) of 1-UC SnTe film is greatly enhanced from the bulk value of 98 kelvin and reaches as high as 270 kelvin. Moreover, 2- to 4-UC...
Paper Details
Title
Discovery of robust in-plane ferroelectricity in atomic-thick SnTe
Published Date
Jul 15, 2016
Journal
Volume
353
Issue
6296
Pages
274 - 278
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