Thickness determination of ultrathin 2D materials empowered by machine learning algorithms

Y Mao, L Wang, C Chen, Z Yang… - Laser & Photonics …, 2023 - Wiley Online Library
The number of layers of 2D materials is of great significance for regulating the performance
of nanoelectronic devices and optoelectronic devices, where the optimal thickness of the …

Apparent colors of 2D materials

S Puebla, H Li, H Zhang… - Advanced Photonics …, 2022 - Wiley Online Library
Finding 2D and thin‐film layered materials have become essential to develop not only in
scientific‐related fields, but also in a wide industry, which is constantly feeding from this …

Interplay between optical emission and magnetism in the van der Waals magnetic semiconductor CrSBr in the two-dimensional limit

F Marques-Moros, C Boix-Constant, S Mañas-Valero… - ACS …, 2023 - ACS Publications
The van der Waals semiconductor metamagnet CrSBr offers an ideal platform for studying
the interplay between optical and magnetic properties in the two-dimensional limit. Here, we …

Photoluminescence enhancement of InSe by coupling with circular bragg grating

Y Liu, Q Zhong, D Liang, Q Jiang… - Laser & Photonics …, 2023 - Wiley Online Library
Indium selenide (InSe) has attracted tremendous research interest due to its excellent
optical and electronic properties. The direct bandgap of bulk InSe promises efficient carrier …

Thickness map** and layer number identification of exfoliated van der Waals materials by Fourier imaging micro-ellipsometry

R Kenaz, S Ghosh, P Ramachandran, K Watanabe… - ACS …, 2023 - ACS Publications
As performance of van der Waals heterostructure devices is governed by the nanoscale
thicknesses and homogeneity of their constituent mono-to few-layer flakes, accurate …

A review of optics-based methods for thickness and surface characterization of two-dimensional materials

Y **, K Yu - Journal of Physics D: Applied Physics, 2021 - iopscience.iop.org
Abstract Two-dimensional (2D) materials have attracted great attention because of their
unique physical properties and versatile applications in electronics and photonics. Following …

Strain Modulation in van der Waals Crystals Directly Exfoliated onto Piezoceramics─ Application in Micropiezoreflectance Spectroscopy

J Kopaczek, R Bartoszewicz… - ACS Applied …, 2024 - ACS Publications
The van der Waals (vdW) crystals and heterostructures, known for many intriguing physical
properties, have garnered significant interest in recent years. Develo** effective optical …

Understanding the Origin and Implication of the Indirect-to-Direct Bandgap Transition in Multilayer InSe

NA Pike, R Pachter, MA Altvater… - The Journal of …, 2024 - ACS Publications
Indium selenide (InSe) multilayers have attracted much interest recently due to their
electronic and optical properties, partially dependent on the existence of an indirect-to-direct …

The Study of Optical Properties of III2–VI3 Defect Semiconductor Group Compounds Ga2S3, Ga2Se3, In2S3, and In2Se3

CH Ho, XR Lai, CA Chuang, WL Kuo… - Advanced Photonics …, 2021 - Wiley Online Library
Herein, high‐quality III2VI3 (III= Ga, In and VI= S, Se) single crystals are successfully grown
by a chemical vapor transport method. X‐ray diffraction and Raman spectroscopy verify …

Emerging 2D Materials and Van der Waals Heterostructures for Advanced NIR, SWIR, and MWIR Emitters

PL Chen, T Ahmed, C Kuo, CC Lu, DH Lien… - Small …, 2024 - Wiley Online Library
Infrared (IR) emitters have drawn considerable attention for applications in deep‐tissue
imaging, optical communication, and thermal sensing. While III‐V and II‐VI semiconductors …