Journal of IKEEE (전기전자학회논문지)

Institute of Korean Electrical and Electronics Engineers (한국전기전자학회)
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Analysis of Low Frequency Noise Variation in Temperature Sensor With Bi2Mg2/3Nb4/3O7

Bi2Mg2/3Nb4/3O7을 사용한 온도센서의 저주파 잡음 특성

  • Cho, Il Hwan (Dept. of Electronic Engineering, Myongji University) ;
  • Seo, Dongsun (Dept. of Electronic Engineering, Myongji University)
  • Received : 2015.11.04
  • Accepted : 2015.11.17
  • Published : 2015.12.31
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Abstract

Sensitivity characteristics of temperature sensor with $Bi_2Mg_{2/3}Nb_{4/3}O_7$ (BMNO) layer were investigated with low frequency noise measurement. Temperature sensor with BMNO layer had high reliability and high sensitivity comparing with conventional MOS type temperature sensor. Annealing temperature variation effects with $600^{\circ}C$, $700^{\circ}C$ and $800^{\circ}C$ were measured and analyzed. Annealing temperature determines trap distribution and $700^{\circ}C$ annealing sample has different pattern comparing with other samples. Results of low frequency noise can offer the design guide of temperature sensor performance.

기존의 MOS 구조를 갖는 온도 센서가 가지는 누설 전류 문제를 해결하기 위하여 제안된 $Bi_2Mg_{2/3}Nb_{4/3}O_7$ (BMNO) 를 이용한 온도센서의 민감도 평가를 저주파 누설 전류 측정을 통하여 수행하였다. 측정결과에서 서로 다른 어닐링 온도 ( $600^{\circ}C$, $700^{\circ}C$, $800^{\circ}C$) 에 따른 서로 다른 패턴의 저주파 노이즈 특성을 얻을 수 있었으며, 그 결과에서 온도 센서 동작을 저해할 수 있는 공정 조건($700^{\circ}C$) 을 선별하는 결과를 얻을 수 있었다. 이와 같은 측정법은 향후 BMNO를 이용한 온도센서의 공정 최적화를 측정하는 방법으로 응용 될 수 있다.

Keywords

References

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