Moiré ferroelectricity modulates light emission from a semiconductor monolayer

Authors: Dong Seob Kim, Chengxin Xiao, Roy C. Dominguez, Zhida Liu, Hamza Abudayyeh, Kyoungpyo Lee, Rigo Mayorga-Luna, Hyunsue Kim, Kenji Watanabe, Takashi Taniguchi, Chih-Kang Shih, Yoichi Miyahara, Wang Yao, Xiaoqin Li

Published: 2025-05-09

DOI: 10.1126/sciadv.adt7789

Source: Full article


Abstract

Semiconductor moiré superlattices, characterized by their periodic spatial light emission, unveil a new paradigm of engineered photonic materials. Here, we show that ferroelectric moiré domains formed in a twisted hexagonal boron nitride (t-hBN) substrate can modulate light emission from an adjacent semiconductor MoSe