A Re-Entrant Glasslike Phase in Rb1-x(NH4)xH2PO4

Masaaki Takashige; Hikaru Terauchi; Yuichi Miura; Sadao Hoshino

doi:10.1143/jpsj.54.3250

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A Re-Entrant Glasslike Phase in Rb_1-x(NH₄)_xH₂PO₄

Masaaki Takashige Hikaru Terauchi Yuichi Miura Sadao Hoshino

Year: 1985 Journal: Journal of the Physical Society of Japan Vol: 54 (9)Pages: 3250-3253 Publisher: Physical Society of Japan

DOI: 10.1143/jpsj.54.3250

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Abstract

The mixed crystal Rb 1- x (NH 4 ) x H 2 PO 4 shows ferroelectricity for small x and antiferroelectricity for large x . The frequency dispersion of the dielectric constant was studied in the concentration range 0.5≤ x . The low-frequency dispersion was found for 0.5≤ x ≤0.8 below 40 K. From the results, the phase diagram was obtained. Around x =0.75, a re-entrant glasslike phase with the dispersion of the dielectric constant was found.

Keywords:

Materials science Antiferroelectricity Dispersion (optics) Dielectric Ferroelectricity Phase (matter) Phase diagram Crystal (programming language) Condensed matter physics Analytical Chemistry (journal) Optics Physics Chemistry

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Glass properties and applications

Physical Sciences → Materials Science → Ceramics and Composites

Solid-state spectroscopy and crystallography

Physical Sciences → Materials Science → Materials Chemistry

Material Dynamics and Properties

Physical Sciences → Materials Science → Materials Chemistry

A Re-Entrant Glasslike Phase in Rb_1-x(NH₄)_xH₂PO₄

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