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Baik, Jeong Min
Nano Energy and Environmental Materials Lab
Research Interests
  • Nanogenerators, antimicrobial material, catalysis, smart sensors

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바나듐 산화물의 금속-절연체 전이현상 기반 센서 연구

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Title
바나듐 산화물의 금속-절연체 전이현상 기반 센서 연구
Other Titles
Metal-Insulator Transition of Vanadium Dioxide Based Sensors
Author
Baik, Jeong Min
Issue Date
2014-10
Publisher
한국센서학회
Citation
센서학회지, v.23, no.5, pp.314 - 319
Abstract
Here, we review the various methods for the preparation of vanadium dioxide ($VO2) films and nanowires, and their potential applications to the sensors such as gas sensor, strain sensor, and temperature sensor. $VO2 is an interesting material on account of its easily accessible and sharp Mott metal-insulator transition (MIT) at ${\sim}68^{\circ}C$ in the bulk. The MIT is also triggered by the electric field, stress, magnetic field etc. This paper involves exceptionally sensitive hydrogen sensors based on the catalytic process between hydrogen molecules and Pd nanoparticles on the $VO2 surface, and fast responsive sensors based on the self-heating effects which leads to the phase changes of the $VO2. These features will be seen in this paper and can enable strategies for the integration of a $VO2 material in advanced and complex functional units such as logic gates, memory, FETs for micro/nano-systems as well as the sensors.
URI
https://scholarworks.unist.ac.kr/handle/201301/9935
ISSN
1225-5475
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