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Pb 5.0(1)In 8.4(1)Bi 1.6(1)S 20, a new quaternary lead indium bismuth sulfide

 
: Reis, I.; Krämer, V.; Seiler, A.; Topa, D.; Keller, E.

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Acta Crystallographica. Section C, Crystal Structure Communications 68 (2012), Nr.3, S.i12-i16
ISSN: 0108-2701
ISSN: 1600-5759
Englisch
Zeitschriftenaufsatz
Fraunhofer ISE ()
PV Produktionstechnologie und Qualitätssicherung; Silicium-Photovoltaik; Industrielle und neuartige Solarzellenstrukturen

Abstract
The title phase, first detected in the early 1980s but hitherto unpublished, has been resynthesized and structurally characterized. Unambiguous determination of the chemical com-position was not possible by structure analysis alone, but required additional analytical methods. The complex structure shows a close similarity to the structures of two related compounds, one known by the formula Pb 1.6In 8Bi 4S 19 and the other being the ternary compound Pb 6In 10S 21. This is despite the fact that the three phases correspond to very different Pb:Bi ratios. A geometric mechanism is described by which the three structures can be transformed into each other, provided that the heavy atoms Pb and Bi are treated as equivalent.

: http://publica.fraunhofer.de/dokumente/N-206847.html