Dilatometric Study of Ferroelectric Rb2CdI4Monoclinic Crystal Grown by Czochralski Method

Autor:	Hironobu Kasano, Toshihisa Yamaguchi, S. Gotou, Toshiharu Mitsui, Fuminao Shimizu, Masaaki Takashige, Tatsuki Miyoshi, Tadashi Kurihama
Rok vydání:	2010
Předmět:	Diffraction Materials science Thermal Analytical chemistry Czochralski method Crystal growth Dielectric Dilatometer Condensed Matter Physics Ferroelectricity Electronic Optical and Magnetic Materials Monoclinic crystal system
Zdroj:	Ferroelectrics. 402:156-162
ISSN:	1563-5112 0015-0193
DOI:	10.1080/00150191003709313
Popis:	Crystal growth of Rb2CdI4 was performed by Czochralski method. Transparent colourless crystals with monoclinic structure were obtained. Temperature dependence of the dielectric constant along the b-axis was measured with variation of frequency. The thermal expansions xi (i = a, b, c and a′; a ′ = a + c) along the four independent axes were measured both by clip-type strain-gauge dilatometer and X-ray diffraction methods. These results show distinct anomalies associated with the ferroelectric transition at TC = 210 K.
Databáze:	OpenAIRE
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