Phase transitions in new quasi-one-dimensional sulfides TlCu7S4 and KCu7S4
β Scribed by T. Ohtani; J. Ogura; M. Sakai; Y. Sano
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 409 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
Electrical properties and phase transitions were investigated in the quasi-one-dimensional ternary chalcogenides \(\operatorname{In}_{x} \mathrm{Nb}_{3} X_{4}(X=\mathrm{S}\). Se, and \(\mathrm{Te} ; x=0.5\) for \(X=S\), and 1.0 for \(X=\mathrm{Se}\) and \(\mathrm{Te})\), with resulis indicating that
Samples with various compositions around BaNbSe 3 were prepared. X-ray analysis revealed that the compound is stable at the composition of BaNb 0.80 Se 3 , which formally requires Nb 5Ψ ions (d 0 ). The single-phase region extends to the composition BaNb 0.95 Se 3 . A semiconductor-to-metal transiti