1988
DOI: 10.1088/0022-3719/21/28/003
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Temperature dependence of the optical phonon spectra of deuterated dihydrogen phosphate between 7 and 300 K, studied by infrared reflectivity spectroscopy

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Cited by 13 publications
(16 citation statements)
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“…The finding that the CP consists of two modes provides an even stronger support for the interpretation of the phase transition mechanism given by Tominaga and Urabe [22]. An infrared reflectivity study of modes polarized along the c-axis in DKDP [31] has also provided interesting results. First, the CP originating from the soft mode was clearly observed in these spectra.…”
Section: Investigations Of Dynamical Propertiessupporting
confidence: 57%
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“…The finding that the CP consists of two modes provides an even stronger support for the interpretation of the phase transition mechanism given by Tominaga and Urabe [22]. An infrared reflectivity study of modes polarized along the c-axis in DKDP [31] has also provided interesting results. First, the CP originating from the soft mode was clearly observed in these spectra.…”
Section: Investigations Of Dynamical Propertiessupporting
confidence: 57%
“…Impulsive stimulated Raman scattering study [27] confirmed this fact: the relaxation time of soft mode, τ, which shows critical slowing down, i.e., τ = τ 0 T c /(T -T c ), has a value of τ 0 about eight times higher for DKDP than for KDP. Second, in contrast to the Raman scattering spectra of transverse modes [20], but in accordance with the Raman scattering spectra of longitudinal modes [21], the S-peak was found in the infrared spectra of the FE phase of DKDP at a frequency higher than in KDP [31]. Third, while the S-mode in KDP, even if it exists in the PE phase, contributes to the CP in the infrared spectra, the S-peak in DKDP is clearly visible in the infrared spectra of the PE phase, where it is well resolved from the CP [31].…”
Section: Investigations Of Dynamical Propertiesmentioning
confidence: 52%
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