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Characterization and Fabrication of Microcrystalline Si Thin Films Prepared by FA-CVD
정창영,정관수,장진,Cheong, Chang-Young,Chung, Kwan-Soo,Jang, Jin The Institute of Electronics and Information Engin 1990 전자공학회논문지 Vol.27 No.9
We studied the electrical, optical and structural properties of microcrystalline silicon thin films prepared by a new chemical vapour deposition technique, called filament assisted(FA)-CVD. The microcrystalline silicon is sucessfully deposited when the hydrogen dilution ratio exceeds 30. The Raman peak at 520 cm-1 and the X-ray diffraction peak at 27.7\ulcorner0.2\ulcornerbecome sharper with increasing hydrogen dilution ratio. We obtain high quality microcrystalline Si by FA-CVD with optical gap of \ulcorner2.2eV and hydrogen content of \ulcorner3 at %.
시설거주(施設居住) 노인(老人)과의 상담(相談)에 관한 연구(硏究)
이인수(In Soo Lee),정관수(Kwan Soo Cheong) 한국노인복지학회 1998 노인복지연구 Vol.2 No.-
This study has been performed to analyze technical aspects of counselling the aged living in welfare facilities. In this study, 12 college seniors majoring in Social Work were interviewed for their experiences on unforeseen disruptive situations in counselling the aged in the facilities. The results of the interview are as follows: 1. The elderly residents have significantly lower level of formal education, economic ability, and family support. Therefore the residents usually have less life desire but higher depressive emotion than home-living counterparts. 2. The residents generally welcome visitors but this atmosphere may abruptly turn out to be disinterests once they realize that the visitors are not beneficial. 3. Counselling may become more or less reliable by intervention of co-residents normally most conversations are performed in open place so that co-residents have free access to counselling. Finally in this study, it is proposed that preliminary meeting be arranged and planned upon agreements of resident representatives before any formal counselling takes place.