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Seungwan Woo, Geunhwan Ryu, Taesoo Kim, Namgi Hong, Jae-Hoon Han, Rafael Jumar Chu, Jinho Bae, Jihyun Kim, In-Hwan Lee, Deahwan Jung and Won Jun Choi
We demonstrate, for the first time, GaAs thin film solar cells epitaxially grown on a Si substrate using a metal wafer bonding and epitaxial lift-off process. A relatively thin 2.1 µm GaAs buffer layer was first grown on Si as a virtual substrate, and a ...
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Jong-Ho Choi, Kye-Won Jun and Chang-Deok Jang
Bed-load discharge of a river can be monitored by indirectly measuring the acoustic pulses generated when the bed load collides with a steel pipe installed on the riverbed (i.e., pipe hydrophone measurement). However, existing methods used for filtering ...
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Junshik Um, Seonghyeon Jang, Young Jun Yoon, Seoung Soo Lee, Ji Yi Lee, Kyung Man Han, Won Jun Choi, Yong Pyo Kim, Cheol-Hee Kim and Chang Hoon Jung
Among many parameters characterizing atmospheric aerosols, aerosol mass extinction efficiency (MEE) is important for understanding the optical properties of aerosols. MEE is expressed as a function of the refractive indices (i.e., composition) and size d...
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Won-Jun Choi, Hye-Sun Lee, Jung Hwa Hong, Hyuk-Jae Chang and Ji-Won Lee
The optimal blood pressure (BP) guidelines in Asian populations have not been determined. We compared all-cause and cardiovascular mortality based on the Joint National Committee 7 (JNC7) and 2017 American College of Cardiology/American Heart Association...
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