Unravelling the anomalous electrical and optical phase-change characteristics in FeTe

In contrast to conventional phase-change materials we show that amorphous FeTe displays higher electrical conductivity and optical reflectivity than its crystal phase. This anomalous phenomenon is rooted in the delocalization of Te-p electrons in the amorphous phase. Originally existing as localized...

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Veröffentlicht in:	Acta materialia 2016-06, Vol.112, p.67-76
Hauptverfasser:	Ho, H.W., Branicio, P.S., Song, W.D., Bai, K., Tan, Teck L., Ji, R., Yang, Y., Yang, P., Du, Y.H., Sullivan, M.B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amorphous materials Amorphous structure Anomalous optical and electrical characteristics Crystal structure Crystals Displays Electrical resistivity Electron delocalization FeTe Lone-pairs Phase-change materials Reflectivity Valence band
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