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불순물이 심하게 첨가된 InGaP 박막의 Moss-Burstein 효과관측
정부성,박현기,장수경,정중현,박홍이,Jeong, Bu-Seong,Park, Hyun-Ki,Chang, Su-Keong,Chung, Joong-Hyun,Park, Hong-Lee 한국전자통신연구원 1991 전자통신 Vol.13 No.4
Heavily unintentionally doped n-type InGaP wa grown by LPE technique. Temperature and excitation power dependence of PL measurements were carried out to investigate the first observed 2.107 eV PL peak in $In_0.5$$Ga_0.5$P. Also the unintentionally doped major impurity was found to be sulfur through XRF technique.
NTC(Negative Temperature Coefficient) 서미스터 기반 웨어러블 온도 센서
김도형(Dohyung Kim),신재호(Jaeho shin),정부성(Buseong Jeong),고승환(Seung Hwan Ko) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
Recently, interest in tactile cognitive systems has been increasing, and accurate temperature field measurements are particularly important when dealing with various scientific problems. Here, we report a highly sensitive, flexible, negative temperature coefficient(NTC)-based artificial skin which is achieved through the unique monolithic laser reductive sintering of Nickel(Ⅱ) oxide nanoparticles. This unique monolithic sintering process can simultaneously create a structure that incorporates two different components (Nickel electrodes and Nickel(Ⅱ) oxide sensing channels) from the same material. Furthermore, this unique process of making highly sensitive temperature sensors is a low-temperature process, so it can be made on heat-sensitive polymer substrates, which can make artificial skin flexible. The proposed temperature sensor system and monolithic laser reductive sintering process are expected to contribute significantly to the development and commercialization of flexible temperature sensors and artificial skin which is necessary for soft robotics or clinical purpose.