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Title: Structure and vibrations of different charge Ge impurity in α-quartz

Atomic structure and localized vibrations of α‐SiO{sub 2}:Ge are studied using computer modeling techniques. The simulation was carried out by the lattice dynamics calculation of the local density of vibrational states. Local structures parameters are calculated, localized symmetrized vibrations frequency caused by Ge impurity in different charge states are defined. The movements of atoms located near Ge impurity are analyzed and their contribution into localized vibrations of different type is evaluated.
Authors:
; ;  [1]
  1. Ural Federal University, 19 Mira St., Yekaterinburg, 620002 (Russian Federation)
Publication Date:
OSTI Identifier:
22308124
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1624; Journal Issue: 1; Conference: SIO2014: 10. international symposium on SiO2, advanced dielectrics and related devices, Cagliari (Italy), 16-18 Jun 2014; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ATOMS; CHARGE STATES; COMPUTERIZED SIMULATION; ELECTRONIC STRUCTURE; ENERGY-LEVEL DENSITY; GERMANIUM COMPOUNDS; IMPURITIES; QUARTZ; SILICA; SILICON OXIDES; VIBRATIONAL STATES