Infrared reflection spectra of CsH2PO4 crystal

Sook Il Kwun, Kyunghwan Oh

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Internal vibrational modes of CsH2PO4 are investigated by measuring the reflectance spectra in the frequency range of 200–4000 cm-1 in the 100–300 K region. From the result of Kramers-Kronig transformations and the factor group analysis, the site symmetry of PO4 is assumed to be Cs in the paraelectric phase and C1 in the ferroelectric phase. This result shows that the proton tunneling plays an important role in the phase transition of CsH2PO4.

Original languageEnglish
Pages (from-to)295-300
Number of pages6
JournalFerroelectrics
Volume108
Issue number1
DOIs
Publication statusPublished - 1990 Aug 1

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infrared reflection
Ferroelectric materials
Protons
vibration mode
frequency ranges
Phase transitions
Infrared radiation
reflectance
Crystals
protons
symmetry
crystals

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Kwun, Sook Il ; Oh, Kyunghwan. / Infrared reflection spectra of CsH2PO4 crystal. In: Ferroelectrics. 1990 ; Vol. 108, No. 1. pp. 295-300.
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Infrared reflection spectra of CsH2PO4 crystal. / Kwun, Sook Il; Oh, Kyunghwan.

In: Ferroelectrics, Vol. 108, No. 1, 01.08.1990, p. 295-300.

Research output: Contribution to journalArticle

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AB - Internal vibrational modes of CsH2PO4 are investigated by measuring the reflectance spectra in the frequency range of 200–4000 cm-1 in the 100–300 K region. From the result of Kramers-Kronig transformations and the factor group analysis, the site symmetry of PO4 is assumed to be Cs in the paraelectric phase and C1 in the ferroelectric phase. This result shows that the proton tunneling plays an important role in the phase transition of CsH2PO4.

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