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Linear Characteristics of a Metal-Insulator Transition Voltage and Oscillation Frequency in VO2 Devices
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- Authors
- Bong-Jun Kim, Giwan Seo, Yong Wook Lee, Sungyoul Choi, Hyun-Tak Kim
- Issue Date
- 2010-11
- Citation
- IEEE Electron Device Letters, v.31, no.11, pp.1314-1316
- ISSN
- 0741-3106
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- In order to apply a VO2 metalinsulator transition (MIT) device to a temperature sensor with temperature and voltage, we measure the linear characteristic of the MIT voltage for a VO2-based device when a pulse voltage of 10 μs is applied to the device to reduce Joule heat. Moreover, the MIT oscillation frequency and the infrared-induced MIT voltage also are linear with temperature. The linear characteristic may come from the breakdown of an energy gap by excitation. © 2010 IEEE.
- KSP Keywords
- Joule heat, Linear characteristic, Pulse voltage, energy gap, metal-insulator transition, oscillation frequency, temperature sensor(LM35), transition voltage