Ordering of vacancies in type-I tin clathrate: Superstructure of Rb 8Sn44□2

Journal of the American Chemical Society

Volumn 127, Issue 10, 2005, Pages 3264-3265

  Dubois, Franck ^a   Fässler, Thomas F ^a  

^a TECHNICAL UNIVERSITY OF MUNICH   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

RUBIDIUM; TIN DERIVATIVE;

ARTICLE; CHEMICAL STRUCTURE; CRYSTAL; CRYSTALLOGRAPHY; PHONON; THERMAL CONDUCTIVITY;

EID: 14944359663     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja043500r     Document Type: Article

References (23)

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17. 2 was synthesized by reacting stoichiometric amounts of Rb and Sn in a niobium container which was closed by arc-welding under argon and transferred in a quartz tube. The mixture was heated at 700°C for 24 h and then slowly cooled to 275°C at the rate of 3°C/h. This temperature was dwelt for 2 days, then a slow cooling with a rate of 6°C/h to room temperature was realized. The powder diffraction shows the presence of extra peak reflections. The compound is air stable, and EDX analysis shows a Rb:Sn ratio of roughly 8:44.
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