Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Jang-Won Kang"'
Publikováno v:
Materials Research Express, Vol 8, Iss 3, p 035901 (2021)
We reported on enhanced device performance of ambipolar thin-film transistors (TFTs) with hybrid channel of Zinc oxide (ZnO) and multi-layer graphene (MLG), especially in reduced sub-threshold swing characteristics and increased carrier mobilities fo
Externí odkaz:
https://doaj.org/article/83d4921cb9ef44fead43e74fba7c0474
Autor:
Sung Yong Lee, Ki Beom Park, Jang-Won Kang, Yanghoo Kim, Hyun-Su Kang, Tae Kwon Ha, Seok-Hong Min, Hyung-Ki Park
Publikováno v:
Materials, Vol 12, Iss 21, p 3549 (2019)
In this study, the sintering behaviors of Nb-6Mo-20Si-3Cr (at percentage) in situ composite powders were studied. The Nb alloy powder was fabricated by a hydrogenation-dehydrogenation method, and both the alloy ingot and powders consisted of two phas
Externí odkaz:
https://doaj.org/article/bb680bacd2fa44e9a86eb3941df50d68
Publikováno v:
Metals, Vol 9, Iss 11, p 1154 (2019)
In this study, oxygen reduction behavior of TiH2 powders during dehydrogenation process was investigated based on thermodynamics. During the hydrogenation−dehydrogenation (HDH) method to fabricate Ti powder, TiH2 was formed from a Ti sponge through
Externí odkaz:
https://doaj.org/article/fb18df79a16949369de1dbcdb19e254e
Autor:
Jang-Won Kang, Jong Min Park, Byung Hak Choe, Seong Lee, Jung Hyo Park, Ki Beom Park, Hyo Kyu Kim, Tae-Wook Na, Bosung Seo, Hyung-Ki Park
Publikováno v:
Metals, Vol 8, Iss 8, p 604 (2018)
A method was developed to fabricate spherical Mo5Si3 powder by milling and spheroidizing using inductively coupled thermal plasma. A Mo5Si3 alloy ingot was fabricated by vacuum arc melting, after which it was easily pulverized into powder by milling
Externí odkaz:
https://doaj.org/article/b124558df7be4bcfa1716001cae6b3ea
Autor:
Jung Hoon Song, Jang-Won Kang
Publikováno v:
Applied Science and Convergence Technology. 31:75-78
Autor:
Jae Young Park, Hyo-Kyu Kim, Hyung-Ki Park, Seongtak Kim, Hyun-Su Kang, Julien O. Fadonougbo, Young Do Kim, Jang-Won Kang, Ki Beom Park
Publikováno v:
Metals and Materials International. 28:565-571
In this study, we investigated the microstructures, hydrogen absorption kinetics, and surface oxides of a Ti0.2Zr0.2Nb0.2V0.2Cr0.17Fe0.03 high entropy alloy (HEA). The prepared HEA had a dual phase microstructure consisting of body-centered cubic (BC
Publikováno v:
Applied Physics Express. 16:035004
We studied the optical response and visibility of the inside graphene layer in hBN/graphene/hBN on SiO2/Si substrate, revealing why the graphene layer is invisible on the optical microscope image. The observed behavior of optical response for the hBN
Autor:
Taejin Lee, Soyeong Kwon, Dong-Wook Kim, Chang-Hee Cho, Soo Ho Choi, Jang Won Kang, Ki Kang Kim, Ki-Ju Yee, Seong Yeon Lee, Sangwook Lee, Jungeun Song
Publikováno v:
ACS Applied Materials & Interfaces. 12:44088-44093
We fabricated plasmonic hybrid nanostructures consisting of MoS2 monolayer flakes and Au nanogratings with a period of 500 nm. The angle-resolved reflectance and photoluminescence spectra of the hybrid nanostructures clearly indicated a coupling betw
Autor:
Hyung-Ki Park, Jang-Won Kang, Sung Yong Lee, Jaeho Choi, Ki Beom Park, Jae Young Park, Jong-In Choi, Tae-Wook Na
Publikováno v:
Materials Science and Technology. 36:1372-1380
The present study investigated the sintering behaviour of Nb–16Si–25Ti–8Hf–2Cr–2Al alloy powders. The alloy powders were produced using ahydrogenation–dehydrogenation method and featured an irregul...