Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Kunook Chung"'
Publikováno v:
Journal of Information Display, Vol 25, Iss 1, Pp 75-95 (2024)
ABSTRACTThis review summarizes research activities on two-dimensional (2D) materials-assisted epitaxy of inorganic semiconductors and their optoelectronic device applications. We presented the overall research related to the growth of epitaxial semic
Externí odkaz:
https://doaj.org/article/43bb09fbb51f497c9316e8258d6a93d1
Autor:
Dukhyung Lee, Dasom Kim, Dai-Sik Kim, Hyeong-Ryeol Park, Changhee Sohn, Seon Namgung, Kunook Chung, Young Chul Jun, Dong Kyun Kim, Hyuck Choo, Young-Geun Roh
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-6 (2021)
Abstract One critical factor for bolometer sensitivity is efficient electromagnetic heating of thermistor materials, which plasmonic nanogap structures can provide through the electric field enhancement. In this report, using finite element method si
Externí odkaz:
https://doaj.org/article/e14be9b975fc41e8a223302a3387c0c2
Autor:
Kunook Chung, Hyeonjun Beak, Youngbin Tchoe, Hongseok Oh, Hyobin Yoo, Miyoung Kim, Gyu-Chul Yi
Publikováno v:
APL Materials, Vol 2, Iss 9, Pp 092512-092512-7 (2014)
We report the growth of GaN micro-rods and coaxial quantum-well heterostructures on graphene films, together with structural and optical characterization, for applications in flexible optical devices. Graphene films were grown on Cu foil by means of
Externí odkaz:
https://doaj.org/article/3632ee8433694c688d545c16144177aa
Publikováno v:
Nano Letters. 21:8304-8310
An ultrathin tactile sensor with directional sensitivity and capable of mapping at a high spatial resolution is proposed and demonstrated. Each sensor node consists of two gallium nitride (GaN) nanopillar light-emitting diodes. Shear stress applied o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::114d3b8ef1476388b97c7d4d8028896b
https://doi.org/10.1021/acs.nanolett.1c02837
https://doi.org/10.1021/acs.nanolett.1c02837
Autor:
Hyeong-Ryeol Park, Dasom Kim, Young Chul Jun, Dong Kyun Kim, Kunook Chung, Seon Namgung, Hyuck Choo, Young-Geun Roh, Changhee Sohn, Dukhyung Lee, Dai-Sik Kim
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-6 (2021)
Scientific Reports
Scientific Reports
One critical factor for bolometer sensitivity is efficient electromagnetic heating of thermistor materials, which plasmonic nanogap structures can provide through the electric field enhancement. In this report, using finite element method simulation,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c39d64ab1fc1b8b6a53f99dc30cf48f
https://doaj.org/article/e14be9b975fc41e8a223302a3387c0c2
https://doaj.org/article/e14be9b975fc41e8a223302a3387c0c2
Publikováno v:
NPG Asia Materials. 14
We report the van der Waals integration of micropatterned GaN light-emitting diodes (LEDs) onto foreign graphene films. GaN micro-LEDs were selectively grown on a graphene substrate using a patterned SiO2 mask, and then the whole device structure was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2a171be0562951698125d816ef00dc1
https://doi.org/10.1038/s41427-022-00403-6
https://doi.org/10.1038/s41427-022-00403-6
Autor:
Gyu-Chul Yi, Hongseok Oh, Youngbin Tchoe, Jun-Beom Park, Kunook Chung, Keundong Lee, Jerome K. Hyun
Publikováno v:
Nano Energy. 60:82-86
We report on the selective-area growth of GaN microstructures on tungsten (W)-metal electrodes using a micro-patterned graphene intermediate layer between GaN and W, and demonstrate their use as light-emitting diodes (LEDs). Prior to the GaN growths,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7fa4878c74b111334eccc602bd82a918
https://doi.org/10.1016/j.nanoen.2019.03.040
https://doi.org/10.1016/j.nanoen.2019.03.040
Autor:
Hyeonjun Baek, Hyungseok C. Moon, Minho S. Song, Gyu-Chul Yi, Byung Hun Lee, Hye Yoon Park, Kunook Chung, Keundong Lee, Dongha Yoo, Jamin Lee
Publikováno v:
NPG Asia Materials. 13
We report laser emission from gallium nitride (GaN) microrods that are introduced into mammalian cells and the application of these microrods for cell labeling. GaN microrods were grown on graphene-coated SiO2/Si substrates by metal-organic vapor pha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d79454be01303e5a2034935be8f4ea71
https://doi.org/10.1038/s41427-021-00299-8
https://doi.org/10.1038/s41427-021-00299-8
Publikováno v:
Gallium Nitride Materials and Devices XVI.
A novel force sensor capable of determining both the direction and magnitude of the force is proposed and demonstrated. The sensor structure is based on two orthogonally oriented arrays of GaN (Gallium Nitride) elliptical nanopillars and a digital CM
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8725274a51decda9dd73e4e2ba7daac3
https://doi.org/10.1117/12.2577640
https://doi.org/10.1117/12.2577640
Publikováno v:
Conference on Lasers and Electro-Optics.
A tactile sensor using gallium nitride nanopillar light-emitting diodes is proposed and demonstrated. The sensor can detect the direction, magnitude, and location of an external shear force with sensitivities comparable to the human fingertip.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab82e10e0c7354b420ebf4335f3fee6f
https://doi.org/10.1364/cleo_si.2021.sm3o.7
https://doi.org/10.1364/cleo_si.2021.sm3o.7