About: Infrared vibrations of interstitial oxygen in silicon-rich SiGe alloys     Goto   Sponge   NotDistinct   Permalink

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  • We report on the infrared spectra of the antisymmetric stretching vibration of Oi in Si-rich Si1xGex alloys. The shift of its frequency is obtained as a function of the germanium content x below 0:5. We present a decomposition of the low-temperature spectra using GaussLorentz profiles. A low-lying broad band is found for x ź 0:08, and assigned tentatively to the vibrations of Si2O units with the nearest sites occupied by several Ge atoms. We compare our experimental findings with results of a recent ab initio study of the phonon modes.
  • We report on the infrared spectra of the antisymmetric stretching vibration of Oi in Si-rich Si1xGex alloys. The shift of its frequency is obtained as a function of the germanium content x below 0:5. We present a decomposition of the low-temperature spectra using GaussLorentz profiles. A low-lying broad band is found for x ź 0:08, and assigned tentatively to the vibrations of Si2O units with the nearest sites occupied by several Ge atoms. We compare our experimental findings with results of a recent ab initio study of the phonon modes. (en)
Title
  • Infrared vibrations of interstitial oxygen in silicon-rich SiGe alloys
  • Infrared vibrations of interstitial oxygen in silicon-rich SiGe alloys (en)
skos:prefLabel
  • Infrared vibrations of interstitial oxygen in silicon-rich SiGe alloys
  • Infrared vibrations of interstitial oxygen in silicon-rich SiGe alloys (en)
skos:notation
  • RIV/00216224:14310/06:00016772!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM0021622410)
http://linked.open...iv/cisloPeriodika
  • 6
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 479698
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14310/06:00016772
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Germaniumsilicon alloys; Oxygen; Infrared absorption (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [106D5EC88C3F]
http://linked.open...i/riv/nazevZdroje
  • Physica B
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 376-377
http://linked.open...iv/tvurceVysledku
  • Dubroka, Adam
  • Humlíček, Josef
  • Štoudek, Richard
http://linked.open...n/vavai/riv/zamer
issn
  • 0921-4526
number of pages
http://localhost/t...ganizacniJednotka
  • 14310
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