Search Results - "YEO, Sunmog"

Decoupling the metal insulator transition and crystal field effects of VO2 by Hwang, In-Hui, Park, Chang-In, Yeo, Sunmog, Sun, Cheng-Jun, Han, Sang-Wook

“…VO 2 is a highly correlated electron system which has a metal-to-insulator transition (MIT) with a dramatic change of conductivity accompanied by a first-order…”
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Coherence in defect evolution data for the ion beam irradiated graphene by Yeo, Sunmog, Han, Jiyoon, Bae, Sukang, Lee, Dong Su

“…The defect evolution in graphene produced by ion beam bombardment is investigated by changing the ion species, irradiation energy and dose. Raman spectroscopy…”
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Synthesis mechanism from graphene quantum dots to carbon nanotubes by ion-sputtering assisted chemical vapor deposition by Ha, Jun Mok, Lee, Seoung Ho, Park, Daehyeon, Yoon, Young Jun, Yang, In Mok, Seo, Junhyeok, Hwang, Yong Seok, Lee, Chan Young, Suk, Jae Kwon, Park, Jun Kue, Yeo, Sunmog

“…We present the first work of the synthesis mechanism from graphene quantum dots (GQDs) to carbon nanotubes (CNTs) by an ion-sputtering assisted chemical vapor…”
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Field-induced quantum breakdown of superconductivity in magnesium diboride by Jung, Soon-Gil, Lee, Jung Min, Park, Tae-Ho, Le, Tian, Lu, Xin, Lee, Chan Young, Yeo, Sunmog, Choi, Han-Yong, Kang, Won Nam, Park, Tuson

“…The quantum breakdown of superconductivity (QBS) is the reverse, comprehensive approach to the appearance of superconductivity. A quantum phase transition from…”
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Precision Control for Beam Irradiation Dose by Developing a Real-time Dose Monitoring System by Hwang, Yong Seok, Kim, Maengjun, Suk, Jaekwon, Lee, Chan Young, Ha, Jun Mok, Kim, Chorong, Kim, Dong Seok, Yeo, Sunmog, Jung, Myung-Hwan, Cho, Won-Je, Jeon, Hye-Ran, Lee, Jae S., Park, Jun Kue

“…We have developed a real-time dose monitoring system for a low-energy ion-beam facility. Before we developed the monitoring system, the system had given a…”
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Cu-ion-implantation-driven visible emission in SrZrO3 and SrHfO3 by Lim, Junwhi, Lee, D. J., Lee, Y. S., Yeo, Sunmog

“…We report that visible emissions in the 4 d /5 d band insulators SrZrO 3 and SrHfO 3 can be induced by using the Cu-ion implantation technique. A sizable…”
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Study of Residual Stress and Surface Morphology Changes in Al2O3 Induced by Nd:YAG Laser Irradiation by Yeo, Sunmog, Hong, Sung-Ki, Lee, Sung-Jun, Lim, Changhwan, Park, Jae-Won

“…In this study, the residual stress and surface morphology changes in alumina plates by the irradiation of a Q-switched Nd:YAG laser were investigated. The…”
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Transient Superhydrophilic Surface Modification of Polyimide by Metal Ion Beam Irradiation by Yeo, Sunmog, Ha, Jun Mok, Kang, Chang Goo, Kim, Chorong, Jeon, Gi Wan, Yoon, Young Jun

“…Polyimide is commonly used as a substrate for flexible electronic devices because of its excellent thermal, physical, and electrical properties. To enhance the…”
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Properties of Fe2O3 coating on polymer substrate by ion beam mixing by Yeo, Sunmog

“…A polyphenylene sulfide (PPS) substrate is coated with Fe2O3 by ion beam mixing, and the properties of the Fe2O3 coating are investigated. The adhesion of the…”
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Universal dry synthesis and patterning of high-quality and -purity graphene quantum dots by ion-beam assisted chemical vapor deposition by Ha, Jun Mok, Lee, Na Eun, Yoon, Young Jun, Lee, Seoung Ho, Hwang, Yong Seok, Suk, Jae Kwon, Lee, Chan Young, Kim, Cho Rong, Yeo, Sunmog

“…A synthesis and patterning process of luminescent graphene quantum dots (GQDs) is highly desirable in applications to industrial- and bio-fields. In this…”
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Synthesis and characterization of novel lanthanide-doped magnetite@Au core@shell nanoparticles by Park, Jeong Chan, Yeo, Sunmog, Kim, Maengjun, Lee, Gyeong Tae, Seo, Jeong Hyun

“…Lanthanide (LN)-doped magnetite (Fe3O4) nanoparticles (NPs) were prepared initially as seeding materials, which was followed by the reduction of Au acetate on…”
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Improvement of bulk superconducting current capability of MgB2 films using surface degradation by Jung, Soon-Gil, Pham, Duong, Han, Yoonseok, Lee, Jung Min, Kang, Won Nam, Kim, Chorong, Yeo, Sunmog, Jun, Byung-Hyuk, Park, Tuson

“…The MgB2 films with the degraded MgB2 (SD) surface layer from the Cu ion bombardment show a large improvement in the field performance of critical current…”
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Roles of Fe-ion irradiation on MgB2 thin films: Structural, superconducting, and optical properties by Tran, Dzung T., Le, Tien, Seo, Yu-Seong, Tran, Duc H., Park, Tuson, Jung, Soon-Gil, Miyanaga, T., Kim, Chorong, Yeo, Sunmog, Kang, Won Nam, Hwang, Jungseek

“…The effects of Fe-ion irradiation on the crystal structure and superconducting properties of MgB2 thin films were investigated. Pristine samples were prepared…”
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Thermal-driven gigantic enhancement in critical current density of high-entropy alloy superconductors by Kim, Jihyun, Jung, Soon-Gil, Han, Yoonseok, Kim, Jin Hee, Rhyee, Jong-Soo, Yeo, Sunmog, Park, Tuson

“…•Annealing effects on the superconducting critical properties of Ta1/6Nb2/6Hf1/6Zr1/6Ti1/6 high-entropy alloy (HEA) superconductors are systematically…”
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Sensing response enhancement of graphene gas sensors by ion beam bombardment by Yeo, Sunmog, Lee, Chan Young, Kim, Dong-Seok, Hwang, Yong Seok, Park, Jun Kue, Jung, Myung-Hwan, Cho, Won-Je, Lee, Jae S., Kim, Chorong

“…Ion beam irradiation dramatically enhances the sensing response of a graphene gas sensor by producing defects on the graphene layer. The number of defects…”
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Proton Irradiation Effects on AlGaN/GaN HEMTs With Different Isolation Methods by Kim, Dong-Seok, Lee, Jun-Hyeok, Yeo, Sunmog, Lee, Jung-Hee

“…We evaluated the electrical characteristics of two different AlGaN/GaN high-electron mobility transistors (HEMTs) for the 5-MeV proton irradiation effects. The…”
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A mechanism of surface hardness enhancement for H irradiated polycarbonate by Yeo, Sunmog, Cho, Won-Je, Kim, Dong-Seok, Lee, Chan Young, Hwang, Yong Seok, Suk, Jae Kwon, Kim, Chorong, Ha, Jun Mok

“…H + irradiation increases the surface hardness of polycarbonate. Nano indentation measurement shows that the hardness increases up to 3.7 GPa at the dose of 5…”
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Evolution of implanted Fe ions in SiO2/Si wafer into uniformly sized catalyst particles for carbon nanotube forest growth by Lee, Cheol-Hun, Lee, Jaegeun, Yeo, Sunmog, Lee, Sung-Hyun, Kim, Teawon, Cha, Hyeon-Gu, Eun, Youngmoo, Park, Hyun Jin, Kim, Seung Min, Lee, Kun-Hong

“…We report the synthesis of carbon nanotube (CNT) forests with a narrow diameter distribution based on Fe ion implantation method. By annealing the Fe-implanted…”
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Evolution of implanted Fe ions in SiO^sub 2^/Si wafer into uniformly sized catalyst particles for carbon nanotube forest growth by Lee, Cheol-Hun, Lee, Jaegeun, Yeo, Sunmog, Lee, Sung-Hyun, Kim, Teawon, Cha, Hyeon-Gu, Eun, Youngmoo, Park, Hyun Jin, Kim, Seung Min, Lee, Kun-Hong

“…We report the synthesis of carbon nanotube (CNT) forests with a narrow diameter distribution based on Fe ion implantation method. By annealing the Fe-implanted…”
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Decoupling the metal insulator transition and crystal field effects of VO 2 by Hwang, In-Hui, Park, Chang-In, Yeo, Sunmog, Sun, Cheng-Jun, Han, Sang-Wook

“…VO is a highly correlated electron system which has a metal-to-insulator transition (MIT) with a dramatic change of conductivity accompanied by a first-order…”
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