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원자막증착법(ALD) SnO2 촉매를 적용한AlGaN/GaN 이종접합 트랜지스터 NO2 가스센서NO2 gas sensor using an AlGaN/GaN Heterostructure FET with SnO2 catalyst deposited by ALD technique

Other Titles
NO2 gas sensor using an AlGaN/GaN Heterostructure FET with SnO2 catalyst deposited by ALD technique
Authors
양수혁김형탁
Issue Date
2020
Publisher
한국전기전자학회
Keywords
Atomic layer deposition (ALD); SnO2; AlGaN/GaN HFET; NO2; Sensitivity; In-situ SiN
Citation
전기전자학회논문지, v.24, no.4, pp.1117 - 1121
Journal Title
전기전자학회논문지
Volume
24
Number
4
Start Page
1117
End Page
1121
URI
https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/11893
DOI
10.7471/ikeee.2020.24.4.1117
ISSN
1226-7244
Abstract
본 연구에서는, 원자막증착법(ALD) 공정으로 증착된 SnO2 촉매를 AlGaN/GaN 이종접합 FET에 적용하여 NO2 가스 검출이 가능한 것을 확인하였다. AlGaN/GaN-on-si 플랫폼에서 제작 된 HFET 센서로 NO2 100 ppm 에 대하여 In-situ SiN이있는 소자와 없는 소자가 각각 100 ℃, 200 ℃에서 10.1 % 및 17.7 %, 5.5 % 및 38 % 의 감지성능을 확인하였다.
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