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

K. Gesi

Open publisher page 39 citations

Abstract

Dielectric properties have been studied for single crystals of various TMMnC (N(CH3)4MnCl3)-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.

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What this paper is about

Dielectric properties have been studied for single crystals of various TMMnC (N(CH3)4MnCl3)-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.

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Available abstract

Dielectric properties have been studied for single crystals of various TMMnC (N(CH3)4MnCl3)-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.

Key concepts: Dielectric, Ferroelectricity, Materials science, Curie temperature, Phase transition, Pyroelectricity, Condensed matter physics, Phase (matter)

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