Structure and lattice dynamics of binary lead silicate glasses investigated by infrared spectroscopy

DDS Meneses, M Malki, P Echegut - Journal of non-crystalline solids, 2006 - Elsevier
The polar lattices dynamics of seven binary lead silicate glasses have been studied by
infrared spectroscopy. The analysis of the reflectivity spectra with a dielectric function model …

Lone-pair distribution and plumbite network formation in high lead silicate glass, 80PbO· 20SiO 2

OLG Alderman, AC Hannon, D Holland… - Physical Chemistry …, 2013 - pubs.rsc.org
For the first time a detailed structural model has been determined which shows how the lone-
pairs of electrons are arranged relative to each other in a glass network containing lone-pair …

High-pressure plastic deformation of lead metasilicate glass accessed by Raman spectroscopy: Insights into the Qn distribution

RB Pena, V Laurent, T Deschamps, E Romeo… - Journal of Non …, 2021 - Elsevier
In this study, lead metasilicate glasses (PbSiO 3) were densified at different maximum
pressures in a diamond anvil cell (DAC) at room temperature. The densified glass samples …

Lead silicate glass structure: New insights from diffraction and modeling of probable lone pair locations

OLG Alderman, AC Hannon, D Holland… - Journal of the …, 2022 - Wiley Online Library
Abstract Structures of binary PbO‐SiO2 glasses have been studied in detail over the
compositional range 35 to 80 mol% PbO using high‐resolution neutron diffraction, high …

Concentration dependence of luminescence efficiency of Dy3+ ions in strontium zinc phosphate glasses mixed with Pb3O4

VR Kumar, G Giridhar, N Veeraiah - Luminescence, 2017 - Wiley Online Library
In this work we synthesized SrO–ZnO–P2O5 glasses mixed with Pb3O4 (heavy metal oxide)
and doped with different amounts of Dy2O3 (0.1 to 1.0 mol%). Subsequently their emission …

Structure of partially reduced xPbO (1− x) SiO2 glasses: combined EXAFS and MD study

A Witkowska, J Rybicki, A Di Cicco - Journal of non-crystalline solids, 2005 - Elsevier
We have studied the structure of partially reduced lead-silicate glasses using combined
EXAFS (extended X-ray absorption fine structure) and MD (molecular dynamics) methods …

Structural phase transition and densification in lead silicate melt under high pressure

HN Van, HN Van, LM Thi, T Iitaka - Indian Journal of Physics, 2024 - Springer
Structural phase transition and densification in lead silicate melt (Pb2SiO4) were
investigated by molecular dynamics simulation. Visual analysis methods in 3D space were …

Microstructure of lead silicate melt under compression: insight from computer simulation

NV Hong, MT Lan, HV Hung, LT San - The European Physical Journal B, 2019 - Springer
The microstructure of lead silicate melt (Pb 2 SiO 4) and its change under high pressure are
investigated by molecular dynamics simulation. The models are constructed at temperature …

A new program package for investigation of medium-range order in computer-simulated solids

J Rybicki, G Bergmański, G Mancini - Journal of non-crystalline solids, 2001 - Elsevier
The opportunity to gain detailed information on the representative sets of rings, and chains
of atoms is of great importance in the analysis of medium-range order in the computer …

The structure of porous and spontaneously densified amorphous PbSiO3: a molecular dynamics study

C Katarzyna, B Grzegorz, B Michał, RL Monika… - CMST, 2004 - cmst.eu
THE STRUCTURE OF POROUS AND SPONTANEOUSLY DENSIFIED AMORPHOUS
PbSiO3: A MOLECULAR DYNAMICS STUDY Page 1 COMPUTATIONAL METHODS IN …