Hexagonal boron nitride for next‐generation photonics and electronics

S Moon, J Kim, J Park, S Im, J Kim, I Hwang… - Advanced …, 2023 - Wiley Online Library
Hexagonal boron nitride (h‐BN), an insulating 2D layered material, has recently attracted
tremendous interest motivated by the extraordinary properties it shows across the fields of …

Recent progress in fabrication and application of BN nanostructures and BN-based nanohybrids

DV Shtansky, AT Matveev, ES Permyakova, DV Leybo… - Nanomaterials, 2022 - mdpi.com
Due to its unique physical, chemical, and mechanical properties, such as a low specific
density, large specific surface area, excellent thermal stability, oxidation resistance, low …

Deep-ultraviolet electroluminescence and photocurrent generation in graphene/hBN/graphene heterostructures

SB Song, S Yoon, SY Kim, S Yang, SY Seo… - Nature …, 2021 - nature.com
Hexagonal boron nitride (hBN) is a van der Waals semiconductor with a wide bandgap of~
5.96 eV. Despite the indirect bandgap characteristics of hBN, charge carriers excited by high …

Point defects in two-dimensional hexagonal boron nitride: A perspective

J Zhang, R Sun, D Ruan, M Zhang, Y Li… - Journal of Applied …, 2020 - pubs.aip.org
ABSTRACT Two-dimensional (2D) hexagonal boron nitride (h-BN) is one of the most
promising materials for many technological applications ranging from optics to electronics. In …

Exciton-phonon interaction and relaxation times from first principles

HY Chen, D Sangalli, M Bernardi - Physical Review Letters, 2020 - APS
Electron-phonon interactions are key to understanding the dynamics of electrons in
materials and can be modeled accurately from first principles. However, when electrons and …

Polytypes of sp2-Bonded Boron Nitride

B Gil, W Desrat, A Rousseau, C Elias, P Valvin… - Crystals, 2022 - mdpi.com
The sp2-bonded layered compound boron nitride (BN) exists in more than a handful of
different polytypes (ie, different layer stacking sequences) with similar formation energies …

Bernal boron nitride crystals identified by deep-ultraviolet cryomicroscopy

A Rousseau, P Valvin, W Desrat, L Xue, J Li… - ACS …, 2022 - ACS Publications
The presence of metastable Bernal stacking boron nitride is verified by combining second
harmonic generation (SHG) and photoluminescence (PL) spectroscopy. The scanning …

First-principles ultrafast exciton dynamics and time-domain spectroscopies: Dark-exciton mediated valley depolarization in monolayer

HY Chen, D Sangalli, M Bernardi - Physical Review Research, 2022 - APS
Calculations combining first-principles electron-phonon (e-ph) interactions with the
Boltzmann equation enable studies of ultrafast carrier and phonon dynamics. However, in …

Exciton-phonon coupling in the ultraviolet absorption and emission spectra of bulk hexagonal boron nitride

F Paleari, H PC Miranda, A Molina-Sánchez, L Wirtz - Physical review letters, 2019 - APS
We present an ab initio method to calculate phonon-assisted absorption and emission
spectra in the presence of strong excitonic effects. We apply the method to bulk hexagonal …

Revealing the Modulation Effects on the Electronic Band Structures and Exciton Properties by Stacking Graphene/h-BN/MoS2 Schottky Heterostructures

X Zhu, J He, W Liu, Y Zheng, C Sheng… - … Applied Materials & …, 2022 - ACS Publications
Stacking two dimensional tunneling heterostructures has always been an important strategy
to improve the optoelectronic device performance. However, there are still many disputes …