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문창범(C.-B. Moon) 호서대학교 중앙도서관 1993 호서대학교 논문집 Vol.1 No.-
The high-spin states in ¹¹⁷Xe nucleus have been investigated by means of γ-ray spectroscopic techniques using the ⁹²Mo(²⁸Si, 2pn) reaction. The ²⁸Si beam of 110 MeV was provided by the 12 UD tandem accelerator at the University of Tsukuba. The γ-γ coincidences were performed to establish level schemes. Strong chain of cascades, 401-582-715-822-905-926 keV was observed in coincidence with 205 keV γ-ray. From systematics of Xe isotopes and transition strength, this is most probably the favored signature member of the h11/2 structure i.e., negative parity band of ᅀJ=2 with Jπ=11/2⁻ band head. In addition, a new level with ᅀJ=2 band structure was observed. This new band is conjectured due to the g7/2 neutron shell alignment as the familiar structure was seen in ¹¹⁹Xe. A band crossing in this band has been found at hω=0.32 MeV, which is explained by the cranked shell model(CSM) due to the two neutron quasi-particle alignments.
문창범(Chang-Bum Moon) 호서대학교 공업기술연구소 2007 공업기술연구 논문집 Vol.26 No.1
The excited states of the doubly odd 120I nucleus have been studied by using in-beam gamma-ray spectroscopy with the ll8Sn(6Li, 4n) reaction at Eiab = 48 MeV. The beam provided by the 14UD Pelletron accelerator at the Australian National University was a Ins pulsed beam with separation of 1.7 ms. We have established several collective bands associated with different proton and neutron quasiparticle configurations. Among them, a positive-parity collective bands built on the 10+ state and its side band with the same parity are observed as being associated with the phi 1/2 nhn/2 configuration. The side band is proposed as a candidate for the chiral twin band leading to a doubling of states for the phi 1/2 nhn/2 configuration.
박태양(Park, Tae-Yang),문창범(Moon, Chang-Bum),채상훈(Chae, Sang-Hoon),김우영(Kim, Woo-Young),채수조(Chae, Soo-Jho) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.06
본 논문에서는 단축과 2축 회전형추적시스템의 장점을 가진 시간 제어 극축회전형(Chronological Polar axis tracking) 태양광추적발전시스템에 대한 연구결과를 보여주고 있다. 천체 망원경의 별 추적 방식과 같은 시간 제어 극축 회전 방식으로 태양 추적방법의 정밀도를 높이면서 제어를 간소화하였고 계절 변화에 따른 태양 남중고도의 변화를 패널이 동시 추적 가능하도록 하였다. 향후 집광형태양광발전시스템에 적용가능성을 보였다.
Dopant와 Host 물질의 변화에 따른 적색 유기발광다이오드의 특성 분석
송 묵(Wook Song),김소인(So In Kim),이예원(Ye Won Kim),정윤희(Yoon Hee Jung),박근주(Geun Joo Park),고영인(Young In Go),서보경(Bo Gyung Seo*)김우영(Woo Young Kim),문창범(Chang Bum Moon) 호서대학교 공업기술연구소 2010 공업기술연구 논문집 Vol.29 No.1
Host-dopant system in Organic Light-Emitting Diode(OLED) is used to improve the electrical and optical performance of the device. Red OLED devices were fabricated using MADN and TCTA as the host materials, and rubrene and DCJTB as red dopant materials in the emitting layer. When MADN was used as a host material, luminous efficiency of rubrene doped device and DCJTB doped device were 9.83cd/A and 6.59cd/A which showed a significant difference. However, the red device used TCTA as host material showed luminous efficiency of 4.18cd/A and 4.45cd/A each. In EL spectrum, blue emission peak at 456 nm and red emission peak at 556nm (Rubrene) or 584nm (DCJTB) were appeared with similar intensity because TCTA has low LUMO energy level and high HOMO energy level. Recombination was occurred by direct tunneling of charge from function layers to dopant due to relatively large energy band gap of TCTA.