Microstructure evolution and performance degradation of sol-gel silica films induced by helium ion irradiation

B Li, J Guo, Z Yuan, X Xiang, X Jiang, J Nie, B Zhong… - Optical Materials, 2024 - Elsevier
Helium ion implantation in the sol-gel silica films was conducted at different fluences to study
the impact of ion irradiation on defects, microstructures, wettability, optical properties and …

Photoactivated processes in optical fibers: generation and conversion mechanisms of twofold coordinated Si and Ge atoms

L Giacomazzi, L Martin-Samos, A Boukenter… - …, 2017 - iopscience.iop.org
In this work we present an extensive investigation of nanoscale physical phenomena related
to oxygen-deficient centers (ODCs) in silica and Ge-doped silica by means of first-principles …

Neutron irradiation effects on the structural properties of KU1, KS-4V and I301 silica glasses

M León, L Giacomazzi, S Girard… - … on Nuclear Science, 2014 - ieeexplore.ieee.org
In this paper, we have studied the effects of high neutron fluences (10 21 and 10 22 n/m 2)
and high γ-ray doses (23.8 MGy) on the structural properties of three different types of silica …

The structural disorder of a silica network probed by site selective luminescence of the nonbridging oxygen hole centre

L Vaccaro, M Cannas - Journal of Physics: Condensed Matter, 2010 - iopscience.iop.org
We studied the inhomogeneous distribution of the luminescence band associated with the
nonbridging oxygen hole centre in silica through site selective excitation/detection of the …

Combined multiparametric X-ray diffraction diagnostics of microdefects in silicon crystals after irradiation by high-energy electrons

EN Kislovskii, VB Molodkin, SI Olikhovskii… - Journal of Surface …, 2013 - Springer
The quantitative diagnostics of complex defect structures in silicon crystals grown by the
Czochralski method and irradiated with different doses of high-energy electrons (18 MeV) is …

X‐ray diffraction characterization of microdefects in silicon crystals after high‐energy electron irradiation

VB Molodkin, SI Olikhovskii, EG Len… - … status solidi (a), 2011 - Wiley Online Library
The quantitative characterization of complex microdefect structures in silicon crystals grown
by Czochralski method and irradiated with various doses of high‐energy electrons (18 MeV) …

Self-catalysis induced three-dimensional SiO x nanostructures

L Sun, H He, C Liu, Z Ye - CrystEngComm, 2011 - pubs.rsc.org
Three-dimensional SiOx nanostructures with various shapes have been prepared by
chemical vapor deposition. The sunflower-like SiOx nanostructures provide a chance to …

[PDF][PDF] 高功率脉冲电子束辐照SiO2 的光学和激光损伤性能

钟勉, 杨亮, 任玮, 向霞, 刘翔, 练友运, 徐世珍… - 物理学报, 2014 - wulixb.iphy.ac.cn
研究了不同剂量的60 kW 高功率脉冲电子束辐照对高纯熔石英玻璃的微观结构,
光学性能和激光损伤特性的影响规律. 光学显微图像表明, 辐照后熔石英样品由于热效应导致 …

Inhomogeneous broadening and peak shift of the 7.6 eV optical absorption band of oxygen vacancies in

K Kajihara, L Skuja, H Hosono - AIP Conference Proceedings, 2014 - pubs.aip.org
The peak parameters of radiation-induced 7.6 eV optical absorption band of oxygen
vacancies (Si-Si bonds) were examined for high-purity synthetic α-quartz and amorphous …

Disordering effect on electronic mechanism of thermal destruction of GeE'-centers in glassy GeO2

AF Zatsepin, DY Biryukov, AI Slesarev - Journal of Non-Crystalline Solids, 2016 - Elsevier
Thermal destruction processes of paramagnetic GeE'-centers in two different types of GeO 2
glass have been studied. By investigating the temperature dependence of the electron …