Tungsten and fluorine co-doping of VO2 films

被引:223
作者
Burkhardt, W [1 ]
Christmann, T [1 ]
Franke, S [1 ]
Kriegseis, W [1 ]
Meister, D [1 ]
Meyer, BK [1 ]
Niessner, W [1 ]
Schalch, D [1 ]
Scharmann, A [1 ]
机构
[1] Univ Giessen, Inst Phys 1, D-35392 Giessen, Germany
关键词
vanadiumoxide; phase transitions; optical coatings; photoelectron spectroscopy (PES);
D O I
10.1016/S0040-6090(01)01603-0
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Fluorine- and tungsten-doped vanadium dioxide (VO2) is a promising coating material for applications as energy-conserving windows. We prepared VO2 films simultaneously co-doped with fluorine and tungsten and report on the results of optical measurements and photoelectron spectrometry. A comparison is given to single-element doping. Clear evidence for an interaction of fluorine and tungsten in VO2 is found in the switching behaviour at the semiconductor-to-metal phase transition. An explanation is given based on two different effects of fluorine incorporation observed in the ultraviolet photoelectron spectrometry results. Concerning other film properties, the two elements act independently of each other. (C) 2002 Elsevier Science B.V All rights reserved.
引用
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页码:226 / 231
页数:6
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