Now showing items 1-9 of 9
Central Peak of Ferroelectric LiH3(SeO3)2 near the Melting Point Studied by Raman Scattering
The central peak of the Raman spectrum of ferroelectric LiH3(SeO3)2 was observed as a function of temperature from 300 K to the melting point (383 K). With increasing temperature, the linewidth takes a minimum around 360 ...
Anomaly of the Raman Linewidth of the Internal v2 Mode near the Phase Transition Point of K3D(SO4)2
The linewidth of the internal mode ν 2 of SO 4 2- ion of the antiferroelectric K 3 D(SO 4 ) 2 shows the anomalous broadening with lowering temperature near the phase transition point. The broadening is well explained by a ...
Raman Scattering of K2DxH1-x(SO4)2 Single Crystals
In mixed crystal of K3H(SO.), and K30 (SO.h , the internal modes of HSO. , OSO. and SO were separately observed. In the ordered phase, the splittings between w(HSO.) and w(SO~-), and w(OSO.) and w(SO~-) depend on temperature ...
Raman Scattering Study of K3H(SO4)2 and K3D(SO4)2 Single Crystals
Raman scattering from single crystals of K 3 H(SO 4 ) 2 and its deuterated analogues has been observed at 295 and 45 K. The spectra do not depend on the scattering geometries. Scarcely any effect of deuteration on frequencies ...
Application of the IR transmission method and the Mossbauer effect to the crystallization of calcium gallate glass
Crystallization of infrared-light transmitting 40CaO·60Ga2O3 glass caused by heat treatment, Full-size image (<1 K)γ-ray irradiation and YAG laser irradiation was investigated. The X-ray diffraction (XRD) data revealed ...
Low-frequency Raman Scattering of ferroelectric LiH3(SeO3)2 near the melting point
The central peak of the Raman spectrum of LiH3(SeO3)2 was measured from 300 K to the melting point (383 K). With increasing temperature, the line width takes a minimum value around 360 K. As temperature was raised to the ...