Characteristic Ordering in Liquid Phase-Change Materials

Characteristic Ordering in Liquid Phase-Change Materials

Ternary liquids containing approximately 50% Te are studied using neuron scattering. The local environment is quantified, based on the analysis of the total scattering function. In these tellurium‐based alloys, a tetrahedral local order dominates for liquids with average number of valence electrons...

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Veröffentlicht in:Advanced materials (Weinheim) 2008-12, Vol.20 (23), p.4535-4540
Hauptverfasser: Steimer, Christoph, Coulet, Vanessa, Welnic, Wojciech, Dieker, Henning, Detemple, Ralf, Bichara, Christophe, Beuneu, Brigitte, Gaspard, Jean-Pierre, Wuttig, Matthias
Format: Artikel
Sprache:eng
Schlagworte:
chalcogenides
phase-change materials
tellurium alloys
ternary alloys
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Zusammenfassung:Ternary liquids containing approximately 50% Te are studied using neuron scattering. The local environment is quantified, based on the analysis of the total scattering function. In these tellurium‐based alloys, a tetrahedral local order dominates for liquids with average number of valence electrons between 4.0 and 4.25, while a transition to octahedral ordering is induced for larger numbers of valence electrons.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200700016