Electrical and magnetic properties of quaternary rare earth thiophosphate: K4Sm2[PS4]2[P2S6]

Journal of the Brazilian Chemical Society

Víctor Manríquez²  Antonio Galdámez²  Andrea Cerda-monje²  Octavio Peña¹  Ricardo E. Ávila¹ 

[1] ,Universidad de Chile Facultad de Ciencias Departamento de QuímicaSantiago,Chile

关键词: thiophosphate;    electrical properties;    magnetic properties;   

DOI  :  10.1590/S0103-50532009000800017

来源: SciELO

【 摘 要 】

The quaternary alkali metal, rare earth thiophosphate phase K4Sm2[PS4]2[P2S6] was synthesized by ceramic method and characterized by powder X-ray diffraction (XRD), SEM-EDX scanning electron microscope-microprobe analyses, electrochemical impedance and magnetic measurements. The crystal structure consists of layers of ²∞Sm2[PS4]2[P2S6]4- separated by K+ cations. The electrical conductivity measurements indicate that the compound is a semiconductor with a resistivity of 1.0 x10(11) Ω cm. The magnetic moment, evaluated from χ-1 versus T at low temperature is 0.57 µB.

【 授权许可】

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