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  • We have studied the c-axis and the in-plane infrared response of the anisotropic crystals of LnSrGaPO(4) and LaSrAlO4. We identify both transverse and longitudinal phonons. The lattice bands show pronounced features of mode coupling, which we attribute to the random distribution of La and Sr atoms in the lattice. We present a scheme to identify and quantify the coupling that induces the asymmetric line shapes. We use the results to discuss infrared-active vibrations of other compounds, including La2CuO4.
  • We have studied the c-axis and the in-plane infrared response of the anisotropic crystals of LnSrGaPO(4) and LaSrAlO4. We identify both transverse and longitudinal phonons. The lattice bands show pronounced features of mode coupling, which we attribute to the random distribution of La and Sr atoms in the lattice. We present a scheme to identify and quantify the coupling that induces the asymmetric line shapes. We use the results to discuss infrared-active vibrations of other compounds, including La2CuO4. (en)
Title
  • Infrared vibrations in LaSrGaO4 and LaSrAlO4
  • Infrared vibrations in LaSrGaO4 and LaSrAlO4 (en)
skos:prefLabel
  • Infrared vibrations in LaSrGaO4 and LaSrAlO4
  • Infrared vibrations in LaSrGaO4 and LaSrAlO4 (en)
skos:notation
  • RIV/00216224:14310/00:00002309!RIV/2002/MSM/143102/N
http://linked.open.../vavai/riv/strany
  • 14554
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM 143100002)
http://linked.open...iv/cisloPeriodika
  • 21
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
  • 713718
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14310/00:00002309
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Infrared vibrations in LaSrGaO4 and LaSrAlO4 (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [EFEE60FB5CBA]
http://linked.open...i/riv/nazevZdroje
  • Phys. Rev. B
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...ocetUcastnikuAkce
http://linked.open...nichUcastnikuAkce
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 61
http://linked.open...iv/tvurceVysledku
  • Humlíček, Josef
  • Cardona, Manuel
  • Henn, Ralf
http://linked.open...n/vavai/riv/zamer
issn
  • 0163-1829
number of pages
http://localhost/t...ganizacniJednotka
  • 14310
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