Zobrazeno 1 - 10
of 462
pro vyhledávání: '"Gun-sik Park"'
Autor:
Dongpyo Hong, Yong Joon Lee, Ok Sung Jeon, In-Sung Lee, Se Hun Lee, Jae Yeon Won, Young Pyo Jeon, Yunju La, Seonmyeong Kim, Gun-Sik Park, Young Joon Yoo, Sang Yoon Park
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-11 (2024)
Abstract Coating building envelopes with a passive daytime radiative cooling (PDRC) material has attracted enormous attention as an alternative cooling technique with minimal energy consumption and carbon footprint. Despite the exceptional performanc
Externí odkaz:
https://doaj.org/article/819c93fadf7d4e97a802d7e1b8c98350
Autor:
Sun-Hong Min, Ohjoon Kwon, Matlabjon Sattorov, Seontae Kim, In-Keun Baek, Seunghyuk Park, Ranjan Kumar Barik, Anirban Bera, Dongpyo Hong, Seonmyeong Kim, Bong Hwan Hong, Chawon Park, Sukhwal Ma, Minho Kim, Kyo Chul Lee, Yong Jin Lee, Han Byul Kwon, Young Joon Yoo, Sang Yoon Park, Gun-Sik Park
Publikováno v:
Defence Technology, Vol 18, Iss 10, Pp 1895-1913 (2022)
The cell-type continuous electromagnetic radiation system is a demonstration device capable of generating high-power millimeter electromagnetic waves of a specific wavelength and observing their effects on living organisms. It irradiates a biological
Externí odkaz:
https://doaj.org/article/e4de3d046aa94a86a664cb143caa8bc9
Autor:
Sun-Hong Min, Hoechun Jung, Ohjoon Kwon, Matlabjon Sattorov, Seontae Kim, Seung-Hyuk Park, Dongpyo Hong, Seonmyeong Kim, Chawon Park, Bong Hwan Hong, Ilsung Cho, Sukhwal Ma, Minho Kim, Young Joon Yoo, Sang Yoon Park, Gun-Sik Park
Publikováno v:
IEEE Access, Vol 9, Pp 136775-136791 (2021)
High-power microwave sources applied to a directed-energy weapon can lead to permanent damage by radiating concentrated energy in a specific direction to disturb or overload electronic equipment. The effect analysis on the target, such as electronics
Externí odkaz:
https://doaj.org/article/fe77f64b3749465aba1f7f0445e2adba
Autor:
Sun-Hong Min, Ohjoon Kwon, Matlabjon Sattorov, Seontae Kim, Dongpyo Hong, Seonmyeong Kim, Ilsung Cho, Chawon Park, Wongyun Jung, Minho Kim, Kyeong Min Kim, Won Taek Hwang, Seungwoo Park, Kyo Chul Lee, Yong Jin Lee, Sang Moo Lim, Bong Hwan Hong, Gun-Sik Park
Publikováno v:
AIP Advances, Vol 10, Iss 5, Pp 055110-055110-13 (2020)
Characteristic x rays generated by a collision between a tungsten target and relativistic electron beams generated from a compact electrostatic accelerator based on a Marx generator and a Blumlein pulse-forming line can induce transient ionizing radi
Externí odkaz:
https://doaj.org/article/7acc4448a7804250907bd46486dd7d43
Publikováno v:
Nanoscale Research Letters, Vol 13, Iss 1, Pp 1-7 (2018)
Abstract It is well known that a suspended monolayer graphene has a weak light absorption efficiency of about 2.3% at normal incidence, which is disadvantageous to some applications in optoelectronic devices. In this work, we will numerically study m
Externí odkaz:
https://doaj.org/article/7f812b0022934e6fbd674b9ae6278a07
Autor:
Sun-Hong Min, Ohjoon Kwon, Matlabjon Sattorov, Seontae Kim, Dongpyo Hong, Chawon Park, Bong Hwan Hong, In Su Jung, Ilsung Cho, Won Taek Hwang, Ranjan Kumar Barik, Anirban Bera, Gun-Sik Park
Publikováno v:
AIP Advances, Vol 9, Iss 2, Pp 025012-025012-14 (2019)
A klystron is an important vacuum device which is useful in medical linear accelerators because it amplifies the radio-frequency (RF) signals required to produce high-energy particle beams. The properties of the nonlinear input and output dynamics in
Externí odkaz:
https://doaj.org/article/77c420f1c4ad4f30a03120b00fcb62b4
Autor:
Sun-Hong Min, Ohjoon Kwon, Matlabjon Sattorov, In-Keun Baek, Seontae Kim, Dongpyo Hong, Jin-Young Jeong, Jungmin Jang, Anirban Bera, Ranjan Kumar Barik, Ranajoy Bhattacharya, Ilsung Cho, Byungsu Kim, Chawon Park, Wongyun Jung, Seunghyuk Park, Gun-Sik Park
Publikováno v:
AIP Advances, Vol 8, Iss 2, Pp 025001-025001-8 (2018)
When a semiconductor element is irradiated with radiation in the form of a transient pulse emitted from a nuclear explosion, a large amount of charge is generated in a short time in the device. A photocurrent amplified in a certain direction by these
Externí odkaz:
https://doaj.org/article/c33d49bafa264c50ade9c5078a6b8270
Autor:
Sun-Young Yoon, Kyu-Tae Kim, Seong Jin Jo, A-Ri Cho, Soon-Ik Jeon, Hyung-Do Choi, Kyu Han Kim, Gun-Sik Park, Jeong-Ki Pack, Oh Sang Kwon, Woong-Yang Park
Publikováno v:
PLoS ONE, Vol 6, Iss 12, p e28474 (2011)
Radiofrequency (RF) radiation does not transfer high energy to break the covalent bonds of macromolecules, but these low energy stimuli might be sufficient to induce molecular responses in a specific manner. We monitored the effect of 1,763 MHz RF ra
Externí odkaz:
https://doaj.org/article/2d769b2a0337413ea311eb87dcebc777
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 9, Iss 4, p 040701 (2006)
This paper presents a study of coherent and superradiant Smith-Purcell (SP) radiation with the help of a two-dimensional particle-in-cell (PIC) simulation. The simulation model supposes a rectangular grating with period length of 173 μm to be driven
Externí odkaz:
https://doaj.org/article/f9ab762978154df39856380181438924
Autor:
Dongpyo Hong, Sattorov, Matlabjon, Ok Sung Jeon, Se Hun Lee, Gun-Sik Park, Young Joon Yoo, Sang Yoon Park
Publikováno v:
Nanoscale Advances; 11/7/2024, Vol. 6 Issue 21, p5306-5312, 7p