Photonics with hexagonal boron nitride

JD Caldwell, I Aharonovich, G Cassabois… - Nature Reviews …, 2019 - nature.com
For more than seven decades, hexagonal boron nitride (hBN) has been employed as an
inert, thermally stable engineering ceramic; since 2010, it has also been used as the optimal …

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 …

Phonon-assisted photoluminescence from indirect excitons in monolayers of transition-metal dichalcogenides

S Brem, A Ekman, D Christiansen, F Katsch, M Selig… - Nano …, 2020 - ACS Publications
The photoluminescence (PL) spectrum of transition-metal dichalcogenides (TMDs) shows a
multitude of emission peaks below the bright exciton line, and not all of them have been …

Boron and nitrogen isotope effects on hexagonal boron nitride properties

E Janzen, H Schutte, J Plo, A Rousseau… - Advanced …, 2024 - Wiley Online Library
The unique physical, mechanical, chemical, optical, and electronic properties of hexagonal
boron nitride (hBN) make it a promising 2D material for electronic, optoelectronic …

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 …

Theory of the special displacement method for electronic structure calculations at finite temperature

M Zacharias, F Giustino - Physical Review Research, 2020 - APS
Calculations of electronic and optical properties of solids at finite temperature including
electron-phonon interactions and quantum zero-point renormalization have enjoyed …

Thermally conductive anticorrosive epoxy nanocomposites with tannic acid-modified boron nitride nanosheets

D Pan, X Zhang, G Yang, Y Shang, F Su… - Industrial & …, 2020 - ACS Publications
Boron nitride nanosheets (BNNSs) were synthesized by the classical chemical vapor
deposition (CVD) method and modified by tannic acid (TA)(named as M-BNNSs). M-BNNSs …

Phonon screening and dissociation of excitons at finite temperatures from first principles

AM Alvertis, JB Haber, Z Li, CJN Coveney… - Proceedings of the …, 2024 - pnas.org
The properties of excitons, or correlated electron–hole pairs, are of paramount importance to
optoelectronic applications of materials. A central component of exciton physics is the …

Optical properties of lead-free double perovskites by ab initio excited-state methods

M Palummo, E Berrios, D Varsano, G Giorgi - ACS Energy Letters, 2020 - ACS Publications
We discuss the nature of the optical excitations of Cs2AgBiBr6, the archetypal compound of
lead-free double perovskites. Such quaternary material shows an indirect electronic band …