PREPARATION OF VO<sub>2</sub> POWDER AND ITS PHASE TRANSITION CHARACTERS

GUO Ning; XU Cai-ling; QIU Jia-wen; SU Zhong-xing

Volume 25 Issue 3

Jul. 2004

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Article Navigation > IRON STEEL VANADIUM TITANIUM > 2004 > 25(3): 26-29

Li Xinghua, Wang Xuesong, Liu Zhilu, Zhang Jiangping. The New Direction of Comprehensive Utilization of High Titanium-bearing Slag[J]. IRON STEEL VANADIUM TITANIUM, 2009, 30(3): 10-16.

Citation:

GUO Ning, XU Cai-ling, QIU Jia-wen, SU Zhong-xing. PREPARATION OF VO₂ POWDER AND ITS PHASE TRANSITION CHARACTERS[J]. IRON STEEL VANADIUM TITANIUM, 2004, 25(3): 26-29.

Li Xinghua, Wang Xuesong, Liu Zhilu, Zhang Jiangping. The New Direction of Comprehensive Utilization of High Titanium-bearing Slag[J]. IRON STEEL VANADIUM TITANIUM, 2009, 30(3): 10-16.

Citation:

GUO Ning, XU Cai-ling, QIU Jia-wen, SU Zhong-xing. PREPARATION OF VO₂ POWDER AND ITS PHASE TRANSITION CHARACTERS[J]. IRON STEEL VANADIUM TITANIUM, 2004, 25(3): 26-29.

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PREPARATION OF VO₂ POWDER AND ITS PHASE TRANSITION CHARACTERS

1. Lanzhou Institute of Physics, Lanzhou 730000, Gansu, China;
2. Chemical Engineering Academy, Lanzhou University, Lanzhou 730000, Gansu, China

Received Date: 2004-05-09
Available Online: 2023-12-07

Abstract

Abstract

VO₂ powders were prepared by a new and simple method, which used VOSO₄ as raw material to form VO(OH)₂ sediment through hydrolysis process, then clean and dry the VO(OH)₂ sediment, VO₂ powders is produced by vacuum annealing process. XRD and XPS testing to the synthesized product show the VO₂ content in the samples approach 100%. The electrical and optical switching properties were tested, and the results show the resistance changed near two orders of magnitude and mid-IR transmissivity changed 15% because of the phase transition.
- VO₂,
- powder,
- preparation,
- phase transition properties

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