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cond-mat.mtrl-sci2025
Ubiquitous Antiparallel Domains in 2D Hexagonal Boron Nitride Uncovered by Interferometric Nonlinear Optical Imaging
Yeri Lee, Juseung Oh, Kyung Yeol Ma +10
Hexagonal boron nitride (hBN) supports a wide range of two-dimensional (2D) technologies, yet assessing its crystalline quality over large areas remains a fundamental challenge. Bo…
cond-mat.mtrl-sci2023
Observation of the Breakdown of Optical Phonon Splitting in a Two-dimensional Polar Monolayer
Jiade Li, Li Wang, Zhiyu Tao +6
Phonon splitting of the longitudinal optical and transverse optical modes (LO-TO splitting), a ubiquitous phenomenon in three-dimensional (3D) polar materials, is essential for the…