Zobrazeno 1 - 10 of 17 pro vyhledávání: '"Euikwoun Kim"'
1
Clarification of difference for transition between photoluminescence and cathode-luminescence based on GaMnN
Autor: N. G. Subramaniam, Yoon Shon, T. W. Kang, J.D. Song, Dejun Fu, Chanwoo Park, Hyun Cheol Koo, H. S. Kim, Y. H. Kwon, J.W. Lee, Hyunsik Im, Euikwoun Kim
Publikováno v: Journal of Luminescence. 168:288-292
GaN:Mn epilayers were grown on Al 2 O 3 substrate uisng molecular beam epitaxy (MBE) and were subsequently implanted with Mn + ions (1% and 10%). Photoluminescence (PL) with 1% of Mn showed that optical transitions related to Mn revealed the donor-Mn
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::421cacab928512a8f4f2c8b0bf553d1d
https://doi.org/10.1016/j.jlumin.2015.08.025
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2
Relevant characteristics of undoped GaMnN grown by using molecular beam epitaxy
Autor: Hyunsik Im, Euikwoun Kim, H. S. Kim, Jeong Woo Lee, N. G. Subramaniam, Yoon Shon, Chanwoo Park
Publikováno v: Journal of the Korean Physical Society. 67:541-546
GaN:Mn epilayers were grown on Al2O3 substrate by using molecular beam epitaxy (MBE). Xray diffraction (XRD) data showed intrinsic GaMnN and precipitates including MnGa and MnN. PL transitions (e, Mn) and (D, Mn) related to Mn were remarkably activat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ea5ada886e10aaea09695ec53cd6975
https://doi.org/10.3938/jkps.67.541
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3
Adsorption Properties of Argon on Ti Doped SBA-15
Autor: Euikwoun Kim, Sang Hwa Lee, Jaeyong Kim
Publikováno v: Journal of Nanoscience and Nanotechnology. 14:8796-8799
Thermodynamic properties of argon on Ti doped Santa barbara amorphous No. 15 (SBA-15) were investigated in the temperature range of 77-89 K to understand the interaction of gas molecules with porous materials. When the total amount of adsorbed molecu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::301ef8dca18c3675ac005c4215e4c213
https://doi.org/10.1166/jnn.2014.9977
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4
New optical transition, structural, and ferromagnetic properties of InCrP:Zn implanted with Cr
Autor: Juwon Lee, Y. H. Kwon, H. S. Kim, Yoon Shon, Chansun Park, Im Taek Yoon, Hyun Cheol Koo, Jihoon Kyhm, Dejun Fu, Dong Jin Lee, T. W. Kang, Hyeun Hwan An, J.D. Song, Chong Seung Yoon, Euikwoun Kim
Publikováno v: Journal of Luminescence. 154:593-596
InCrP:Zn was prepared using the implantation with Cr concentrations of 0.3% and 0.7%, respectively. It was confirmed that the photoluminescence peaks near 0.85(D, Cr) eV and 0.96(e,Cr) eV were Cr-correlated PL bands by the implantation of Cr. Especia
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::85520ed0c628f4a915e1838d9a6e0bfd
https://doi.org/10.1016/j.jlumin.2014.06.011
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6
Studies on Formation of Carborane Film Prepared by Using a Deuterium Glow Discharge Method
Autor: Hongsik Shin, Jaeyong Kim, Sang-Hwa Lee, Sang-Joon Park, Suk-Ho Hong, Euikwoun Kim, Kyu-Sun Chung, Sang Yong Lee
Publikováno v: Journal of Nanoscience and Nanotechnology. 13:7444-7447
Carborane powders (C2B10H12) were deposited on silicon substrates and the physical properties of the films were investigated as functions of the distance of the sample from the electrode, the carborane mass, and the plasma-pulse. To obtain the optimu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7eb9864736973ac472d09df5b739eb9
https://doi.org/10.1166/jnn.2013.7848
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7
Parratt-Based and Model-Independent X-ray Reflectivity Fitting Procedure for Nanoscale Thin Film Characterization
Autor: Chung-Jong Yu, Jaeyong Kim, Euikwoun Kim
Publikováno v: Journal of Nanoscience and Nanotechnology. 11:4624-4628
A general-purpose fitting procedure is presented for X-ray reflectivity data. The Parratt formula was used to fit the low-angle region of the reflectivity data and the resulting electron density profile (continuous base EDP or cbEDP) was then divided
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a69024149c85e4c9269071163fdba45
https://doi.org/10.1166/jnn.2011.3689
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8
Proton Irradiation and Hydrogen Diffusion in Quasicrystals
Autor: Sang Hwa Lee, Jeonggil Lee, Euikwoun Kim, Jaeyong Kim, Kyeryung Kim, Soo Bin Choi, Sang Pil Youn, Yun man Lee, Jaekyun Jeon, Hyemin Shin
Publikováno v: Journal of the Korean Physical Society. 54:2046-2049
Ti-Zr-Ni quasicrystals are new candidates for hydrogen storage applications due to their capability of loading a large amount of hydrogen at reasonable temperature and hydrogen pressure. The technical applications, however, have been limited because
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea1da5f235d6f70b466e8cd154c0e770
https://doi.org/10.3938/jkps.54.2046
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10
Physical properties of carbon nanotubes radiated by proton beams: Gas adsorption and electron microscopy studies
Autor: Jungjil Lee, Kyoohyun Han, Euikwoun Kim, Byung-wook Kim, Jaeyong Kim
Publikováno v: Thin Solid Films. 516:3474-3477
Single walled carbon nanotues (SWCNTs) of high purity and multi walled carbon nanotubes (MWCNTs) were radiated by high energies of proton and electron beams. The surface physical properties were examined by XRD and TEM for both irradiated and non-rad
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3ae9877a37e695483ed62f2d2a3eae54
https://doi.org/10.1016/j.tsf.2007.08.080
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