Dielectric properties and structural phase transitions in TMMnC (N(CH3)4MnCl3) type crystals

Dielectric properties and structural phase transitions in TMMnC (N(CH3)4MnCl3) type crystals

Dielectric properties have been studied for single crystals of various TMMnC (N(CH 3 ) 4 MnCl 3 )-type compounds; TMMnC, TMMnB, TMNiC, TMNiB, TMCdC, TMCdB, and TMCuC, Dielectric constants show stepwise anomalies at the structural phase transitions of these compounds. In TMCdB, ferroelectricity is fo...

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Veröffentlicht in:Ferroelectrics 1992-12, Vol.137 (1), p.209-223
1. Verfasser: Gesi, Kazuo
Format: Artikel
Sprache:eng
Schlagworte:
dielectric
ferroelectric
phase transition
tetramethylammonium trihalogenometallic compounds
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Zusammenfassung:Dielectric properties have been studied for single crystals of various TMMnC (N(CH 3 ) 4 MnCl 3 )-type compounds; TMMnC, TMMnB, TMNiC, TMNiB, TMCdC, TMCdB, and TMCuC, Dielectric constants show stepwise anomalies at the structural phase transitions of these compounds. In TMCdB, ferroelectricity is found below the Curie temperature of about 156 K (on cooling). For other compounds, no ferroelectricity nor pyroelectricity has been detected in the low temperature phases.
ISSN:0015-0193
1563-5112
DOI:10.1080/00150199208015954