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Title: Transport and Magnetic Studies of New Mixed-Valence Compounds: K3Cu8Se6, KCu3Se2, K3Cu8Te6 and BaCuS3-x
Authors: Jacyna-Onyszkiewicz, I.
Sidowski, M.
Starodub, W.
Ratuszna, Alicja
Robaszkiewicz, S.
Keywords: mixed-valence compounds; magnetic studies
Issue Date: 1997
Citation: Acta Physica Polonica. A, Vol. 91, nr 2 (1997), s. 405-408
Abstract: New mixed-valent copper chalcogenides BaCuS3_x and K3Cu8X6 with X = Se or Te and KCu3Se2, with chemical patterns corresponding to the recently investigated K3Cu8S6 and KCu3S2, were synthesized. For these new samples the results of resistivity and magnetic susceptibility measurements are presented. For BaCuS3_x, K3Cu8Se6 and KCu3Se2 the metal—insulator transition is observed with the low temperature phase being metallic, which is untypical, whereas K3Cu8Te6 is a metal in the investigated temperature range. The temperature dependence of magnetic susceptibility of the studied samples testifies to their diamagnetic or weakly paramagnetic behaviour.
ISSN: 0587-4246
Appears in Collections:Artykuły (WNŚiT)

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