Cooling of Melts:  Kinetic Stabilization and Polymorphic Transitions in the KInSnSe4 System

Cooling of Melts:  Kinetic Stabilization and Polymorphic Transitions in the KInSnSe4 System

Through a flame-melting/rapid-cooling process, metastable forms of solid state compounds can be discovered. We describe here an example where both slow and rapid crystallizations of a stoichiometric “KInSnSe4” melt give rise to kinetic forms of KInSnSe4. These forms (α- and β-) convert to the thermo...

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Veröffentlicht in:Inorganic chemistry 2004-04, Vol.43 (7), p.2237-2239
Hauptverfasser: Hwang, Seong-Ju, Iyer, Ratnasabapathy G, Trikalitis, Pantelis N, Ogden, Andrew G, Kanatzidis, Mercouri G
Format: Artikel
Sprache:eng
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Zusammenfassung:Through a flame-melting/rapid-cooling process, metastable forms of solid state compounds can be discovered. We describe here an example where both slow and rapid crystallizations of a stoichiometric “KInSnSe4” melt give rise to kinetic forms of KInSnSe4. These forms (α- and β-) convert to the thermodynamically stable γ-form upon heating below the melting point.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic0351545