Physics

Evidence for multiferroicity in single-layer CuCrSe₂

Z. Sun, Y. Su, et al.

Dive into the groundbreaking discovery of high-temperature multiferroicity in single-layer CuCrSe₂, where room-temperature ferroelectricity meets 120 K ferromagnetism! This innovative research by the talented authors sheds light on unique magnetoelectric interactions, paving the way for future advancements in electronic and spintronic applications.

00:00

Playback language: English

Index

Abstract

This paper reports the discovery of high-temperature multiferroicity in single-layer CuCrSe₂, exhibiting room-temperature ferroelectricity and 120 K ferromagnetism. The ferromagnetic coupling is enhanced by the ferroelectricity-induced orbital shift of Cr atoms, a mechanism distinct from known types of multiferroicity. This is supported by second-harmonic generation, piezo-response force microscopy, scanning transmission electron microscopy, magnetic, and Hall measurements. The findings offer a platform for studying magnetoelectric interactions and potential applications in electronic and spintronic devices.

Publisher

Nature Communications

Published On

May 18, 2024

Authors

Zhenyu Sun, Yueqi Su, Aomiao Zhi, Zhicheng Gao, Xu Han, Kang Wu, Lihong Bao, Yuan Huang, Youguo Shi, Xuedong Bai, Peng Cheng, Lan Chen, Kehui Wu, Xuezeng Tian, Changzheng Wu, Baojie Feng