Grain size effect on the semiconductor-metal phase transition characteristics of magnetron-sputtered VO2 thin films -: art. no. 051910

被引:312
作者
Brassard, D [1 ]
Fourmaux, S [1 ]
Jean-Jacques, M [1 ]
Kieffer, JC [1 ]
El Khakani, MA [1 ]
机构
[1] INRS Energie Mat & Telecommun, Varennes, PQ J3X 1S2, Canada
基金
加拿大创新基金会; 加拿大自然科学与工程研究理事会;
关键词
D O I
10.1063/1.2001139
中图分类号
O59 [应用物理学];
学科分类号
摘要
Single-phase vanadium dioxide (VO2) thin films have been grown on Si3N4/Si substrates by means of a well-controlled magnetron sputtering process. The deposited VO2 films were found to exhibit a semiconductor-to-metal transition (SMT) at similar to 69 degrees C with a resistivity change as high as 3.2 decades. A direct and clear-cut correlation is established between the SMT characteristics (both amplitude and abruptness of the transition) of the VO2 films and their crystallite size. (c) 2005 American Institute of Physics.
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