The CRYSTAL code, 1976–2020 and beyond, a long story

R Dovesi, F Pascale, B Civalleri, K Doll… - The Journal of …, 2020 - pubs.aip.org
CRYSTAL is a periodic ab initio code that uses a Gaussian-type basis set to express
crystalline orbitals (ie, Bloch functions). The use of atom-centered basis functions allows …

Narrow-linewidth diamond single-photon sources prepared via femtosecond laser

S Gao, SY Yin, ZX Liu, ZD Zhang, ZN Tian… - Applied Physics …, 2022 - pubs.aip.org
Nitrogen-vacancy (NV) color centers in diamonds with narrow optical linewidths are
commonly used as solid-state single-photon sources that emit indistinguishable photons …

The vibrational and dielectric properties of diamond with N impurities: First principles study

LL Rusevich, EA Kotomin, AI Popov, G Aiello… - Diamond and Related …, 2022 - Elsevier
The atomic and electronic structures as well as elastic and dielectric properties (including
first simulations of loss tangent, tan δ) of diamond with nitrogen impurities are calculated …

Hunting the elusive shallow n-type donor–An ab initio study of Li and N co-doped diamond

S Conejeros, MZ Othman, A Croot, JN Hart… - Carbon, 2021 - Elsevier
We report calculated energetics (at the GGA, and at the B3LYP, HSE06 hybrid density
functional levels of theory) and electronic properties (B3LYP, HSE06) of Li and N co-doped …

The electronic, vibrational and dielectric properties of diamond crystals with neutral vacancies: first principles study

LL Rusevich, EA Kotomin, AI Popov, G Aiello… - Optical Materials, 2024 - Elsevier
The atomic and electronic structure as well as vibrational and dielectric properties (including
first calculations of loss tangent, tan δ, related with lattice vibrations) of diamond containing …

Interstitial defects in diamond: A quantum mechanical simulation of their EPR constants and vibrational spectra

F Colasuonno, FS Gentile, W Mackrodt… - The Journal of …, 2020 - pubs.aip.org
The local geometry, electronic structure, and vibrational features of three vicinal double
interstitial defects in diamond, ICIC, ICIN, and ININ, are investigated and compared with …

Yellow diamonds with colourless cores–evidence for episodic diamond growth beneath Chidliak and the Ekati Mine, Canada

MY Lai, T Stachel, CM Breeding, RA Stern - Mineralogy and Petrology, 2020 - Springer
Yellow diamonds from the CH-7 (Chidliak) and the Misery (Ekati Mine) kimberlites in
northern Canada are characterised for their nitrogen characteristics, visible light absorption …

The Infrared spectrum of very large (periodic) systems: global versus fragment strategies—the case of three defects in diamond

F Pascale, S Salustro, AM Ferrari, M Rérat… - Theoretical Chemistry …, 2018 - Springer
The calculation of the full vibrational spectrum (Infrared or Raman) of very large systems
(say larger than one thousand atoms) is not only very expensive, but also of relatively low …

Substitutional boron and nitrogen pairs in diamond. A quantum mechanical vibrational analysis

S Salustro, F Colasuonno, AM Ferrari, M D'Amore… - Carbon, 2019 - Elsevier
The lattice structures, electronic characteristics and spectroscopic features of the three
vicinal substitutional, spin zero defects, N sN s (A-centre), B sB s, and B sN s in diamond are …

Simulating the dynamics of NV^-formation in diamond in the presence of carbon self-interstitials

G Chen, JCA Prentice, JM Smith - arXiv preprint arXiv:2408.05881, 2024 - arxiv.org
This study utilises linear-scaling density functional theory (DFT) and develops a new
machine-learning potential for carbon and nitrogen (GAP-CN), based on the carbon …