Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Jung, Hyuk"'
Autor:
Sang-Kwon Lee, Sung-Jin Kim, Dongsu Park, Jihye Kang, Donghun Lee, Masao Kamiko, Jung-Hyuk Koh
Publikováno v:
Journal of Nanoscience and Nanotechnology. 21:1971-1977
In this research, alternative deposition process of ZnO-based thin films have been studied for transparent conducting oxide (TCO) application. To improve the electrical and optical properties of transparent oxide thin films, alternatively stacked Al-
Publikováno v:
Journal of Nanoscience and Nanotechnology. 21:1978-1983
Figure of merit the product of piezoelectric charge constant and the piezoelectric voltage constant—d33 × g33 in piezoelectric energy harvesting systems are critical measures in energy harvester applications. It is difficult to achieve high figure
Publikováno v:
RSC Advances. 11:21375-21383
Procalcitonin (PCT) (i.e. a precursor of calcitonin) attracts much attention as a reliable biomarker of bacterial infections because its concentration increases rapidly in the blood when bacterial infections occur in the body. Sepsis may occur due to
Autor:
Seung-Hyun Shin, Kwang-Hun Oh, Tae-Woong Um, Jae-Geun Ha, Tae-Hwan Kim, Masao Kamiko, Jung-Hyuk Koh, Woo-Seong Kim
Publikováno v:
Journal of Nanoscience and Nanotechnology. 20:3231-3238
We analyze and compare the differences in the dewetting phenomena and crystal structure between Ag(5.0 nm) and Au(5.0 nm) layers deposited on a Ti(1.0 nm) seed layer coated onto a MgO(001) substrate. The samples are deposited at room temperature and
Publikováno v:
Journal of Nanoscience and Nanotechnology. 20:520-523
In this study, Ga-doped ZnO thin films were prepared, and their potential for transparent conducting oxide applications was assessed. To increase the electrical mobility and reduce the resistance of Ga-doped ZnO thin films, CO₂ laser annealing was
Autor:
Dong-Jin Shin, Jung-Hyuk Koh, Young Ho Ko, Kyung-Ho Cho, Jinhwan Kim, Sanghyun Yoon, Jae-Hoon Ji
Publikováno v:
Applied Surface Science. 494:1000-1006
Piezoelectric materials have excellent piezoelectric and dielectric properties for versatile device applications. However, they have brittle properties, particularly under mechanical impulse force. As a result, there have been many attempts to improv
Autor:
Jihye Kang, Jae-Hoon Ji, Minyoung Park, GaeHun Jo, Sang-Mo Koo, JunHee Hong, Jinhwan Kim, Masao Kamiko, Jung-Hyuk Koh, Jae-Geun Ha
Publikováno v:
Journal of Nanoscience and Nanotechnology. 20:608-610
Light Emitting Diodes (LED) are highly energy efficient and offer long-life times for display applications. Long life and minimal energy consumption are often the most attractive advantages for electronic devices. Because LEDs are based on compound s
Publikováno v:
Journal of Nanoscience and Nanotechnology. 19:1538-1542
In this research, energy harvesters with different types of spring-based shock absorbers were invested for the active shock absorber applications. Two different types of spring-based shock absorbers were prepared for the comparison, coil type spring-
Autor:
Wook-Hee Han, Jung-Hyuk Koh
Publikováno v:
Journal of Nanoscience and Nanotechnology. 19:1410-1414
Piezoelectric ceramics such as Pb(Zr,Ti)O₃ (PZT) are currently used by electronic devices because of their superb properties. Lead-based ceramics has caused a lot of environmental problems due to their toxicity. So, lead-free ceramics have been stu
Autor:
Byeong Kwon Ju, Sung-Ryong Kim, Frank Nüesch, Jung Hyuk Kim, Won Kook Choi, Yun Jae Lee, Philip Caspari, Dorina M. Opris, Sora Ham
Publikováno v:
Journal of Materials Chemistry C. 7:3535-3542
Dielectric elastomer generators (DEGs) are flexible capacitors that convert mechanical into electrical energy. They rely on an external voltage source to charge the capacitor during each operation cycle. An alternative to this is an autonomous DEG wh