Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3412
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dc.contributor.authorBhatia, K.L.-
dc.contributor.authorKatyal, S.C.-
dc.contributor.authorVenugopalan, S.-
dc.date.accessioned2008-02-05T05:58:22Z-
dc.date.available2008-02-05T05:58:22Z-
dc.date.issued1979-
dc.identifier.citationJournal of Non-Crystalline Solids, 1979, Vol.31, p333-337en
dc.identifier.issn0022-3093-
dc.identifier.urihttp://hdl.handle.net/2289/3412-
dc.descriptionRestricted Access.en
dc.description.abstractLead sulfide has been found to form stable glasses with GeS2 in the presence of GeS. Far-infrared transmission spectra of the glassy compositions x = 0.46, 0.23 and 0.115 in the pseudoternary (PbS)x (GeS2)0.70−x (GeS)0.30 and of the stoichiometric crystalline composition Pb2GeS4 have been observed for the first time. The results indicate a two optical mode behaviour of the compounds. The presence of the heavy lead atom in the Ge---S network seems to appreciably affect the bond bending modes of the GeS4 molecular unit without significantly disturbing its bond stretching vibrations. The presence of S3Ge---GeS3 molecular units in the amorphous compositions and their absence in Pb2GeS4 are indicated.en
dc.format.extent257651 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherElsevieren
dc.relation.urihttp://dx.doi.org/doi:10.1016/0022-3093(79)90145-5en
dc.rights1979 Elsevier B.V.en
dc.titleFar infrared transmission and structure of Pb---Ge---S semiconducting glassesen
dc.typeArticleen
Appears in Collections:Research Papers (SCM)

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