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 …

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 …

Direct band-gap crossover in epitaxial monolayer boron nitride

C Elias, P Valvin, T Pelini, A Summerfield… - Nature …, 2019 - nature.com
Hexagonal boron nitride is a large band-gap insulating material which complements the
electronic and optical properties of graphene and the transition metal dichalcogenides …

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 …

Isotope engineering of van der Waals interactions in hexagonal boron nitride

TQP Vuong, S Liu, A Van der Lee, R Cuscó, L Artús… - Nature materials, 2018 - nature.com
Hexagonal boron nitride is a model lamellar compound where weak, non-local van der
Waals interactions ensure the vertical stacking of two-dimensional honeycomb lattices made …

Monolayer boron nitride: Hyperspectral imaging in the deep ultraviolet

A Rousseau, L Ren, A Durand, P Valvin, B Gil… - Nano Letters, 2021 - ACS Publications
The optical response of 2D materials and their heterostructures is the subject of intense
research with advanced investigation of the luminescence properties in devices made of …

Defect Engineering of Monoisotopic Hexagonal Boron Nitride Crystals via Neutron Transmutation Doping

J Li, ER Glaser, C Elias, G Ye, D Evans… - Chemistry of …, 2021 - ACS Publications
The nature of point defects in hexagonal boron nitride (hBN) is of current interest for the
potential to alter its optical and electrical properties. The strong interaction between neutrons …

Hexagonal boron nitride crystal growth from iron, a single component flux

J Li, J Wang, X Zhang, C Elias, G Ye, D Evans, G Eda… - ACS …, 2021 - ACS Publications
The highest quality hexagonal boron nitride (hBN) crystals are grown from molten solutions.
For hBN crystal growth at atmospheric pressure, typically the solvent is a combination of two …

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 …