Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Hoyoung Jang"'
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 5, Pp 1019-1028 (2024)
The Pohang Accelerator Laboratory X-ray Free-Electron Laser (PAL-XFEL) operates hard X-ray and soft X-ray beamlines for conducting scientific experiments providing intense ultrashort X-ray pulses based on the self-amplified spontaneous emission (SASE
Externí odkaz:
https://doaj.org/article/8f8adaa206ba4ab0b5d5cbd5ae72dd06
Autor:
Tae-Kyu Choi, Jaeku Park, Gyujin Kim, Hoyoung Jang, Sang-Youn Park, Jang Hyeob Sohn, Byoung Ick Cho, Hyunjung Kim, Kyung Sook Kim, Inhyuk Nam, Sae Hwan Chun
Publikováno v:
Journal of Synchrotron Radiation, Vol 30, Iss 6, Pp 1038-1047 (2023)
Self-seeded hard X-ray pulses at PAL-XFEL were used to commission a resonant X-ray emission spectroscopy experiment with a von Hamos spectrometer. The self-seeded beam, generated through forward Bragg diffraction of the [202] peak in a 100 µm-thick
Externí odkaz:
https://doaj.org/article/256d336128564512b9737a78b49797d9
Autor:
Heemin Lee, Je Young Ahn, Sae Hwan Chun, Do Hyung Cho, Daeho Sung, Chulho Jung, Jaeyong Shin, Junha Hwang, Sung Soo Ha, Hoyoung Jang, Byeong-Gwan Cho, Sunam Kim, Jaeku Park, Daewoong Nam, Intae Eom, Ji Hoon Shim, Do Young Noh, Yungok Ihm, Changyong Song
Publikováno v:
IUCrJ, Vol 10, Iss 6, Pp 700-707 (2023)
Photoinduced nonequilibrium phase transitions have stimulated interest in the dynamic interactions between electrons and crystalline ions, which have long been overlooked within the Born–Oppenheimer approximation. Ultrafast melting before lattice t
Externí odkaz:
https://doaj.org/article/9db7190c112c4df7acb6c0f56563f179
Autor:
Hiroki Ueda, Hoyoung Jang, Sae Hwan Chun, Hyeong-Do Kim, Minseok Kim, Sang-Youn Park, Simone Finizio, Nazaret Ortiz Hernandez, Vladimir Ovuka, Matteo Savoini, Tsuyoshi Kimura, Yoshikazu Tanaka, Andrin Doll, Urs Staub
Publikováno v:
Physical Review Research, Vol 4, Iss 2, p 023007 (2022)
Understanding ultrafast magnetization dynamics on the microscopic level is of strong current interest due to the potential for applications in information storage. In recent years, spin-lattice coupling has been recognized as essential for ultrafast
Externí odkaz:
https://doaj.org/article/39cefa8c1dbc4b81a8601e22d47dd8c3
Autor:
Denitsa R. Baykusheva, Hoyoung Jang, Ali A. Husain, Sangjun Lee, Sophia F. R. TenHuisen, Preston Zhou, Sunwook Park, Hoon Kim, Jin-Kwang Kim, Hyeong-Do Kim, Minseok Kim, Sang-Youn Park, Peter Abbamonte, B. J. Kim, G. D. Gu, Yao Wang, Matteo Mitrano
Publikováno v:
Physical Review X, Vol 12, Iss 1, p 011013 (2022)
Ultrafast lasers are an increasingly important tool to control and stabilize emergent phases in quantum materials. Among a variety of possible excitation protocols, a particularly intriguing route is the direct light engineering of microscopic electr
Externí odkaz:
https://doaj.org/article/762a17cc23774dc1970b0f351a3fd633
Publikováno v:
Nanomaterials, Vol 8, Iss 8, p 587 (2018)
The production of a large amount of high-quality transition metal dichalcogenides is critical for their use in industrial applications. Here, we demonstrate the scalable exfoliation of bulk molybdenum disulfide (MoS2) powders into single- or few-laye
Externí odkaz:
https://doaj.org/article/ff17ab5ae1d04bb79e4e7cbc3fc7ac59
Publikováno v:
Polymers, Vol 10, Iss 6, p 649 (2018)
A simple and cost-effective fabrication method for plasmonic nanolens arrays (PNA) with a narrow gap has been proposed for fabricating enhanced fluorescence substrates, in which the fluorophores interacting with the enhanced electromagnetic field gen
Externí odkaz:
https://doaj.org/article/6304d18deb5842ef94e98987e0654e04
Detecting Specific Health-Related Events Using an Integrated Sensor System for Vital Sign Monitoring
Publikováno v:
Sensors, Vol 9, Iss 9, Pp 6897-6912 (2009)
In this paper, a new method for the detection of apnea/hypopnea periods in physiological data is presented. The method is based on the intelligent combination of an integrated sensor system for long-time cardiorespiratory signal monitoring and dedica
Externí odkaz:
https://doaj.org/article/7ec0a25db201438890b76828dccb3313
Autor:
Bluschke, Martin, Gupta, Naman K., Hoyoung Jang, Husain, Ali A., Byungjune Lee, Minjune Kim, MengXing Na, Dos Remedios, Brandon, Smit, Steef, Moen, Peter, Sang-Youn Park, Minseok Kim, Dogeun Jang, Hyeongi Choi, Sutarto, Ronny, Reid, Alexander H., Dakovski, Georgi L., Coslovich, Giacomo, Nguyen, Quynh L., Burdet, Nicolas G.
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America; 6/4/2024, Vol. 121 Issue 23, p1-8, 15p
Autor:
HyoJung Hyun, Seonghan Kim, Sunmin Hwang, Hoyoung Jang, Garam Hahn, Donghyun Song, Seungcheol Lee
Publikováno v:
X-Ray Free-Electron Lasers: Advances in Source Development and Instrumentation VI.