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Hard Coating 응용을 위한 DC 마그네트론 스퍼터링 방법을 이용하여 증착한 TiN 박막의 특성에 대한 연구
김영렬,박용섭,최원석,홍병유,Kim, Young-Ryeol,Park, Yong-Seob,Choi, Won-Seok,Hong, Byung-You 한국전기전자재료학회 2008 전기전자재료학회논문지 Vol.21 No.7
Titanium nitride (TiN) thin films are widely used for hard coatings due to their superior hardness, chemical stability, low friction and good adhesion properties. In this study, we investigated the effect of DC power on the characteristics of TiN thin films deposited on Si and glass substrates by DC magnetron sputtering using TiN target. We made TiN films of 300 nm thickness with various DC powers. The structural properties of films are investigated by x-ray diffractions (XRD) and tribological properties are measured by nano-indentation, nano-scratch tester. The rms roughness was measured by atomic forced microscopy (AFM). In the result, TiN films had the smooth surface and exhibited (111) directions with the increase of DC Power. Also, especially in case of 175 W DC power, TiN film exhibited the maximum hardness about 8 GPa, and the critical load near 25.
안운경(Un-Kyoung Ahn),곽현정(Hyeon-Jeong Kwak),김영렬(Young-Ryeol Kim) (사)한국학교공공모래놀이학회 2021 학교상담 및 모래놀이 Vol.3 No.2
우리나라에서 모래놀이치료는 1983년 서울대학병원에서 소개되었다. 지난 30년 동안 아동시설, 복지기관, 민간상담실을 통해 대중적으로 보급되었고, 최근 학교모래놀이로 그 학술적 연구가 확대되었다. 이 연구는 모래놀이 집단치료에 대한 국내 학술지 연구를 중심으로 한국의 모래놀이 집단치료의 현황을 조사하고, 모래놀이 집단치료의 이론과 실제에 대해 분석하고자 하였다. 이를 위해 2010년부터 2020년 사이 국내 모래놀이 집단치료 선행연구 조사를 통해 총 43편의 학술지 연구를 선정하고, 모래놀이 집단치료의‘연구내용’과 ‘치료방법’을 중심으로 분석하였다. 이를 통해 심리학과 정신의학에 근거한 모래놀이 집단치료의 치료적 방법을 모색하고자 한다. In Korea, sandplay therapy was introduced at Seoul National University Hospital in 1983. For the past 30 years, it has been popularly distributed through children s facilities, welfare institutions, and private counseling centers, and its academic research has recently been expanded to school sandplay. This study was to investigate the current status of group therapy for sandplay in Korea, focusing on domestic academic journal research on group therapy for sandplay, and to analyze the theory and practice of group therapy for sandplay. To this end, a total of 43 academic journal studies were selected through the preliminary research on sandplay group therapy in Korea between 2010 and 2020, and the ‘research content’ and ‘treatment method’ of sandplay group therapy were analyzed. Through this, we intend to explore a therapeutic method of sandplay group therapy based on psychology and psychiatry.