Direct observation of tunneling in KDP using neutron compton scattering

GF Reiter, J Mayers, P Platzman - Physical review letters, 2002 - APS
Neutron Compton scattering measurements presented here of the momentum distribution of
hydrogen in KH 2 PO 4 just above and well below the ferroelectric transition temperature are …

Electron-or hole-assisted reactions of H defects in hydrogen-bonded KDP

CS Liu, N Kioussis, SG Demos, HB Radousky - Physical review letters, 2003 - APS
We present an ab initio study of the stability and defect reactions of neutral and charged H
interstitial (H i) and H vacancy (H v) in KH 2 PO 4 (KDP). We find that while there is no …

Ferroelectricity and isotope effects in hydrogen-bonded KDP crystals

S Koval, J Kohanoff, RL Migoni, E Tosatti - Physical review letters, 2002 - APS
Based on an accurate first principles description of the energetics in H-bonded potassium-
<? format?> dihydrogen-phosphate crystals, we conduct a first study of nuclear quantum …

On the ultra-precision fabrication of damage-free optical KDP components: mechanisms and problems

N Hou, L Zhang, Y Zhang, F Zhang - Critical Reviews in Solid State …, 2019 - Taylor & Francis
Potassium dihydrogen phosphate (KDP) crystals have excellent optical properties such as
high nonlinear conversion efficiency, superior photoelectric and piezoelectric properties …

Mechanism of linear and nonlinear optical effects of KDP and urea crystals

Z Lin, Z Wang, C Chen, MH Lee - The Journal of chemical physics, 2003 - pubs.aip.org
First-principles calculations of the linear and nonlinear optical properties of KH 2 PO 4 (KDP)
and CO (NH 2) 2 are presented. The calculations are an extension of methods we …

First-principles study of ferroelectricity and isotope effects in H-bonded crystals

S Koval, J Kohanoff, J Lasave, G Colizzi… - Physical Review B …, 2005 - APS
By means of extensive first-principles calculations we studied the ferroelectric phase
transition and the associated isotope effect in KH 2 PO 4 (KDP). Our calculations revealed …

Advancing damage‐free machining of KDP: A comprehensive review

S Yang, L Zhang - Journal of the American Ceramic Society, 2025 - Wiley Online Library
The series of successful inertial confinement fusion ignitions from December 2022 to
December 2023 marked a groundbreaking milestone in humanity's pursuit for a new …

Structural and electronic properties and optical absorption of oxygen vacancy cluster defects in KDP crystals: hybrid density functional theory investigation

Y Li, G Hao, J Bai, T Sui, L Wei, X Sun, X Zhao, M Xu… - …, 2023 - pubs.rsc.org
Oxygen vacancies, hydrogen vacancies and potassium vacancies are common intrinsic
point defects in potassium dihydrogen phosphate (KDP) crystals and can combine to form …

Interaction potential function for the deformation analysis of potassium dihydrogen phosphate using molecular dynamics simulation

S Yang, L Zhang, H **e, W Liu - Computational Materials Science, 2021 - Elsevier
Potassium dihydrogen phosphate (KDP) is an important nonlinear optical material which
plays a core role in electro-optic switches and laser spectroscopy. However, KDP is also one …

Electronic structure calculations of intrinsic and extrinsic hydrogen point defects in

CS Liu, Q Zhang, N Kioussis, SG Demos, HB Radousky - Physical Review B, 2003 - APS
We report first-principles total-energy density-functional theory electronic structure
calculations for the neutral and charge states of H intrinsic (Frenkel pair) and extrinsic (H …