Zobrazeno 1 - 10
of 236
pro vyhledávání: '"Yeon Sik Jung"'
Autor:
Hongjoo Shin, Doosun Hong, Hyunjin Cho, Hanhwi Jang, Geon Yeong Kim, Kyeong Min Song, Min-Jae Choi, Donghun Kim, Yeon Sik Jung
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-10 (2024)
Abstract Although GaP, a III-V compound semiconductor, has been extensively utilized in the optoelectronic industry for decades as a traditional material, the inherent indirect bandgap nature of GaP limits its efficiency. Here, we demonstrate an indi
Externí odkaz:
https://doaj.org/article/17f09cd6a90f45b9a2b052f6e1f69efa
Autor:
Geon Yeong Kim, Shinho Kim, Ki Hyun Park, Hanhwi Jang, Moohyun Kim, Tae Won Nam, Kyeong Min Song, Hongjoo Shin, Yemin Park, Yeongin Cho, Jihyeon Yeom, Min-Jae Choi, Min Seok Jang, Yeon Sik Jung
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-11 (2024)
Abstract Three-dimensional optical nanostructures have garnered significant interest in photonics due to their extraordinary capabilities to manipulate the amplitude, phase, and polarization states of light. However, achieving complex three-dimension
Externí odkaz:
https://doaj.org/article/73faa5083b9e4ff6acc7f3020871178a
Autor:
Stanley Abbey, Hanhwi Jang, Brakowaa Frimpong, Van Quang Nguyen, Jong Ho Park, Su‐Dong Park, Sunglae Cho, Yeon Sik Jung, Ki‐Ha Hong, Min‐Wook Oh
Publikováno v:
Advanced Science, Vol 11, Iss 35, Pp n/a-n/a (2024)
Abstract Manipulating the grain boundary and chiral structure of enantiomorphic inorganic thermoelectric materials facilitates a new degree of freedom for enhancing thermoelectric energy conversion. Chiral twist mechanisms evolve by the screw disloca
Externí odkaz:
https://doaj.org/article/6e80e07fc4ba432f9a25e2e5f4c4c7c6
Autor:
Hanhwi Jang, Michael Y. Toriyama, Stanley Abbey, Brakowaa Frimpong, G. Jeffrey Snyder, Yeon Sik Jung, Min‐Wook Oh
Publikováno v:
Advanced Science, Vol 11, Iss 24, Pp n/a-n/a (2024)
Abstract Manipulating thermal properties of materials can be interpreted as the control of how vibrations of atoms (known as phonons) scatter in a crystal lattice. Compared to a perfect crystal, crystalline solids with defects are expected to have sh
Externí odkaz:
https://doaj.org/article/c319bad991bd46aca9163ee521aa4e75
Autor:
Gyu Rac Lee, Jun Kim, Doosun Hong, Ye Ji Kim, Hanhwi Jang, Hyeuk Jin Han, Chang-Kyu Hwang, Donghun Kim, Jin Young Kim, Yeon Sik Jung
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-12 (2023)
Abstract Suppressing the oxidation of active-Ir(III) in IrOx catalysts is highly desirable to realize an efficient and durable oxygen evolution reaction in water electrolysis. Although charge replenishment from supports can be effective in preventing
Externí odkaz:
https://doaj.org/article/bfe08c2fbbe849659140f513e06ddaeb
Autor:
Junseong Ahn, Hanhwi Jang, Yongrok Jeong, Seongsu Choi, Jiwoo Ko, Soon Hyoung Hwang, Jun‐Ho Jeong, Yeon Sik Jung, Inkyu Park
Publikováno v:
Advanced Science, Vol 11, Iss 1, Pp n/a-n/a (2024)
Abstract As the demand for diverse nanostructures in physical/chemical devices continues to rise, the development of nanotransfer printing (nTP) technology is receiving significant attention due to its exceptional throughput and ease of use. Over the
Externí odkaz:
https://doaj.org/article/c6db4a5bd21841a0931804f4f78df069
Publikováno v:
Heliyon, Vol 9, Iss 11, Pp e21117- (2023)
Thermoelectric materials are attracting considerable attention to alleviate the global energy crisis by enabling the direct conversion of heat into electricity. As a class of I–V–VI2 semiconductors, AgBiSe2 is expected to be the potential thermoe
Externí odkaz:
https://doaj.org/article/5dc64908f70142a0a12f7f87c0afd7f5
Autor:
Jaeho Yoon, Hanhwi Jang, Min-Wook Oh, Thomas Hilberath, Frank Hollmann, Yeon Sik Jung, Chan Beum Park
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-10 (2022)
Thermoelectric materials enable us to convert heat into electricity, but their application has been limited to high-temperature heat sources. Here, the authors show the direct conversion of low-grade waste heat into chemical energy via combining ther
Externí odkaz:
https://doaj.org/article/e6cf8b4cce3e4bb8963f6e6ac7b3dd3c
Autor:
Moohyun Kim, Byoung-Hwa Kwon, Chul Woong Joo, Myeong Seon Cho, Hanhwi Jang, Ye ji Kim, Hyunjin Cho, Duk Young Jeon, Eugene N. Cho, Yeon Sik Jung
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
One pathway for improving the performance of optoelectronics is the tailoring energy bands of the charge transport layer. Here, Kim et al present a charge transfer complex composed out of nanodomains of MoO3 embedded within an NiO matrix, significant
Externí odkaz:
https://doaj.org/article/0125da1ec5ac46a88561ee5edf3efbf5
Autor:
Jaimin Kang, Jeongchun Ryu, Jong-Guk Choi, Taekhyeon Lee, Jaehyeon Park, Soogil Lee, Hanhwi Jang, Yeon Sik Jung, Kab-Jin Kim, Byong-Guk Park
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-7 (2021)
Antiferromagnets have great promise for spin-based information processing, offering both high operation speed, and an immunity to stray fields. Here, Kang et al demonstrate electrical manipulation of the exchange-bias, without the need for a heavy me
Externí odkaz:
https://doaj.org/article/0d31e13b66624a7387b42f2413bac0a0