Zobrazeno 1 - 10
of 634
pro vyhledávání: '"Byung Jin Cho"'
Autor:
Sang Jae Lee, Min Ju Kim, Tae Yoon Lee, Tae In Lee, Jae Hoon Bong, Sung Won Shin, Seong Ho Kim, Wan Sik Hwang, Byung Jin Cho
Publikováno v:
AIP Advances, Vol 9, Iss 12, Pp 125020-125020-4 (2019)
Ferroelectric HfxZryOz (HZO) with an average polarization switching window of 32 µC/cm2 was demonstrated on a Si substrate with a ZrO2 interfacial layer (IL). It is suggested that the ZrO2 IL below HZO crystallizes in the form of an o-phase prior to
Externí odkaz:
https://doaj.org/article/38b9223d37ed4c328b6068fc6fc4def2
Publikováno v:
Catalysts, Vol 10, Iss 5, p 545 (2020)
The photocatalytic degradation of formaldehyde, acetaldehyde, toluene, and styrene are compared using monoclinic Ga2O3 and anatase TiO2 nanostructures under ultraviolet-C irradiation. These Ga2O3 and TiO2 photocatalysts are characterized using a fiel
Externí odkaz:
https://doaj.org/article/0e900194f5ac4a81a88d0172c08b6b83
Autor:
Dong-Hyun Kim, Tae Kyun Kim, Young Gwang Yoon, Byeong-Woon Hwang, Yang-Kyu Choi, Byung Jin Cho, Seok-Hee Lee
Publikováno v:
IEEE Journal of the Electron Devices Society, Vol 2, Iss 5, Pp 123-127 (2014)
A SiGe-channel junctionless-accumulation-mode (JAM) PMOS bulk FinFETs were successfully demonstrated on Si substrate with PN junction-isolation scheme for the first time. The JAM bulk FinFETs with fin width of 18 nm exhibits excellent subthreshold ch
Externí odkaz:
https://doaj.org/article/c040347c94de4a0983adb08fb544565c
Autor:
Hyun Jeong Bae, Tae Hee Yoo, Seungdu Kim, Wonhyeok Choi, Yo Seung Song, Do-Kyun Kwon, Byung Jin Cho, Wan Sik Hwang
Publikováno v:
Catalysts, Vol 9, Iss 5, p 449 (2019)
Hybrid nanostructures made of gallium oxide (Ga2O3) and reduced graphene oxide (rGO) are synthesized using a facile hydrothermal process method, where the Ga2O3 nanostructures are well dispersed on the rGO surface. The formed Ga2O3-rGO hybrids are ch
Externí odkaz:
https://doaj.org/article/246c6c8faff9421db6b04ecb0a08c450
Autor:
Kook In Han, Seung Du Kim, Woo Seok Yang, Hyeong Seok Kim, Myunghun Shin, Jong Pil Kim, In Gyu Lee, Byung Jin Cho, Wan Sik Hwang
Publikováno v:
AIP Advances, Vol 6, Iss 3, Pp 035203-035203-7 (2016)
The oxidation properties of graphene oxide (GO) are systematically correlated with their chemical sensing properties. Based on an impedance analysis, the equivalent circuit models of the capacitive sensors are established, and it is demonstrated that
Externí odkaz:
https://doaj.org/article/d276be1a4c8a4f978868687a25a7f2c0
Autor:
Hyun Jeong Bae, Tae Hee Yoo, Youngbin Yoon, In Gyu Lee, Jong Pil Kim, Byung Jin Cho, Wan Sik Hwang
Publikováno v:
Nanomaterials, Vol 8, Iss 8, p 594 (2018)
High-aspect ratio β-Ga2O3 nanorods consisting of prism-like crystals were formed using gallium oxyhydroxide and ammonia hydroxide via a hydrothermal synthesis followed by the subsequent calcination process. The formation of high-aspect ratio β-Ga2O
Externí odkaz:
https://doaj.org/article/a6b4cd595d2b469cbbd913018a4cbd24
Autor:
Youngbin Yoon, Jeonghoo Jo, Seungdu Kim, In Gyu Lee, Byung Jin Cho, Myunghun Shin, Wan Sik Hwang
Publikováno v:
Nanomaterials, Vol 7, Iss 12, p 446 (2017)
The optical and electrical characteristics of a graphene oxide solution (GS) with different graphene oxide (GO) concentrations in de-ionized water are investigated via the electrochemical impedance spectroscopy (EIS) method. The measurement results p
Externí odkaz:
https://doaj.org/article/b4e193b3b8664bc78ba91fbbd1d64903
Publikováno v:
Applied Sciences, Vol 7, Iss 11, p 1116 (2017)
Recently, SnSe material with an outstanding high ZT (Figure of merit) of 2.6 has attracted much attention due to its strong applicability for highly efficient thermoelectric devices. Many studies following the first journal publication have been focu
Externí odkaz:
https://doaj.org/article/e255b72e5d50499fa4d254bcd2d1fc2f
Autor:
Gyusoup Lee, Garam Choi, Choong Sun Kim, Yong Jun Kim, Hyeongdo Choi, Seongho Kim, Hyo Seok Kim, Won Bo Lee, Byung Jin Cho
Publikováno v:
Applied Sciences, Vol 7, Iss 10, p 1015 (2017)
Thermoelectric power generation using human body heat can be applied to wearable sensors, and various applications are possible. Because the thermoelectric generator (TEG) is highly dependent on the thermoelectric material, research on improving the
Externí odkaz:
https://doaj.org/article/fa85b9fe476246f79d34c9c58d3694b9
Autor:
Kook In Han, Seungdu Kim, In Gyu Lee, Jong Pil Kim, Jung-Ha Kim, Suck Won Hong, Byung Jin Cho, Wan Sik Hwang
Publikováno v:
Sensors, Vol 17, Iss 2, p 407 (2017)
Cylindrical silk fiber (SF) was coated with Graphene oxide (GO) for capacitive humidity sensor applications. Negatively charged GO in the solution was attracted to the positively charged SF surface via electrostatic force without any help from adhesi
Externí odkaz:
https://doaj.org/article/b583dfa8634b4df2a4a9da6d949e4761