Zobrazeno 1 - 10
of 247
pro vyhledávání: '"Ill-Won Kim"'
Autor:
Sungchul Jung, Jinyoung Park, Junhyung Kim, Wonho Song, Jaehyeong Jo, Hyunjae Park, Myong Kong, Seokhyeong Kang, Muhammad Sheeraz, Ill Won Kim, Tae Heon Kim, Kibog Park
Publikováno v:
npj 2D Materials and Applications, Vol 5, Iss 1, Pp 1-9 (2021)
Abstract A new concept of read-out method for ferroelectric random-access memory (FeRAM) using a graphene layer as the channel material of bottom-gated field effect transistor structure is demonstrated experimentally. The transconductance of the grap
Externí odkaz:
https://doaj.org/article/8a8e9b1605bc4bb88c6e1386eeabfebf
Autor:
Chang Won Ahn, Jae Hun Jo, Jong Chan Kim, Hamid Ullah, Sangkyun Ryu, Younghun Hwang, Jin San Choi, Jongmin Lee, Sanghan Lee, Hyoungjeen Jeen, Young-Han Shin, Hu Young Jeong, Ill Won Kim, Tae Heon Kim
Publikováno v:
Journal of Materiomics, Vol 6, Iss 4, Pp 651-660 (2020)
Lead-free double perovskite halides are emerging optoelectronic materials that are alternatives to lead-based perovskite halides. Recently, single-crystalline double perovskite halides were synthesized, and their intriguing functional properties were
Externí odkaz:
https://doaj.org/article/375eaec571ad4903a9f1b2918f087554
Publikováno v:
AIP Advances, Vol 10, Iss 4, Pp 045033-045033-6 (2020)
The ternary solid solution Bi1/2(Na0.78K0.22)1/2TiO3-BiMg1/2Ti1/2O3 (BNKT-BMT) was investigated for high-strain actuator applications. This study of the BNKT-BMT system looked at the macroscopic properties as a function of BMT doping, temperature, an
Externí odkaz:
https://doaj.org/article/10f6486c20c34923bc14788fa8874afa
Autor:
Muhammad Sheeraz, Bich Thuy Nguyen, Hyung-Su Han, Jong-Seong Bae, Shinuk Cho, Tae Heon Kim, Chang Won Ahn, Ill Won Kim
Publikováno v:
Journal of the Korean Physical Society. 80:628-633
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ab66e8c5641633f41876f579853cf86
https://doi.org/10.1007/s40042-022-00450-w
https://doi.org/10.1007/s40042-022-00450-w
Autor:
Aman Ullah, Hafiza Bushra Gul, Amir Ullah, Muhammad Sheeraz, Jong-Seong Bae, Wook Jo, Chang Won Ahn, Ill Won Kim, Tae Heon Kim
Publikováno v:
APL Materials, Vol 6, Iss 1, Pp 016104-016104-7 (2018)
A thermotropic phase boundary between non-ergodic and ergodic relaxor phases is tuned in lead-free Bi1/2Na1/2TiO3-based ceramics through a structural transition driven by compositional modification (usually named as “morphotropic approach”). The
Externí odkaz:
https://doaj.org/article/e0b9f8e359fc48de9852e7a152052b79
Publikováno v:
New Physics: Sae Mulli. 71:991-1003
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e572f261bab6f1d75a07e7a529378a32
https://doi.org/10.3938/npsm.71.991
https://doi.org/10.3938/npsm.71.991
Publikováno v:
Ceramics International. 47:23488-23496
In this study, lead-free zirconium (Zr)-modified Bi1/2(Na0.78K0.22)1/2TiO3 (BNKT) ceramics were synthesized by the conventional solid-state reaction method. The co-existence of two phases (tetragonal; P4mm and cubic phases; Pm 3 ‾ m) with definite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69b59bf2478e08899e5a0f2df762e282
https://doi.org/10.1016/j.ceramint.2021.05.065
https://doi.org/10.1016/j.ceramint.2021.05.065
Autor:
Sang-Don Bu, Ill Won Kim
Publikováno v:
Physics and High Technology. 30:8-10
Research Center for Dielectric Study was supported by the Korean Research Foundation from the government. In 1991, Professor Jang, Min-Soo along with 22 other professors, received a research grant of 7 billion won for 10 years, which enabled the Kore
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4052843b824f289ed02a169a16995b3
https://doi.org/10.3938/phit.30.026
https://doi.org/10.3938/phit.30.026
Autor:
Yong Jin Jo, Sung Sik Won, Bich Thuy Nguyen, Chang Won Ahn, Tae Heon Kim, Bong Chan Park, Ill Won Kim
Publikováno v:
Current Applied Physics. 20:1447-1452
Lead-free (Bi0.5Na0.5)(Ti1-xMnx)O3 (BNTMn-x; x = 0, 0.0025, 0.0050, 0.0100) thin films were fabricated using a chemical solution deposition method on Pt/TiO2/SiO2/Si substrate. The effect of Mn substitution on crystal structures, surface morphologies
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d67ae723a819eaee1d4415152bcc3559
https://doi.org/10.1016/j.cap.2020.07.004
https://doi.org/10.1016/j.cap.2020.07.004
Publikováno v:
New Physics: Sae Mulli. 70:220-225
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7dfe39dec55e722812cff56dce85d51b
https://doi.org/10.3938/npsm.70.220
https://doi.org/10.3938/npsm.70.220