Murugesan, T and Gopalakrishnan, J (1983) Rare earth copper sulfides $(LnCuS_2)$. In: Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical & Analytical, 22 (6). pp. 469-474.
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The structures and electronic properties of $LnCuS_2$ (Ln = rare earth, yttrium) were studied. The phases with Ln = La, Nd, Sm and Gd crystallize in a monoclinic layer structure, whereas those of the heavier rare earths and Y have an orthorhombic structure related to $ScCuS_2$. $LuCuS_2$ has an orthorhombic and hexagonal $(ScCuS_2)$ structure. These sulfides are p-type semiconductors with optical band gaps \sim 2.2-2.5 eV. $LnCuS_2$ (Ln = La, Nd, Sm , Gd) luminescence at \sim 750 nm.
| Item Type: | Journal Article |
|---|---|
| Publication: | Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical & Analytical |
| Publisher: | National Institute of Science Communication and Information Resources |
| Additional Information: | Copyright of this article belongs to NISCAIR . |
| Department/Centre: | Division of Chemical Sciences > Solid State & Structural Chemistry Unit |
| Date Deposited: | 04 Jul 2008 |
| Last Modified: | 27 Aug 2008 13:32 |
| URI: | http://eprints.iisc.ac.in/id/eprint/14770 |
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