Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Eric C. Landahl"'
Autor:
Wonhyuk Jo, Jungyun Kee, Kooktea Kim, Eric C. Landahl, Grace Longbons, Donald A. Walko, Haidan Wen, Dong Ryeol Lee, Sooheyong Lee
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract Scattering of energetic charge carriers and their coupling to lattice vibrations (phonons) in dielectric materials and semiconductors are crucial processes that determine the functional limits of optoelectronics, photovoltaics, and photocata
Externí odkaz:
https://doaj.org/article/b4f5abac64384946be2bacfb2a099bd2
Autor:
Joohyun Lee, Wonhyuk Jo, Ji-Hwan Kwon, Bruce Griffin, Byeong-Gwan Cho, Eric C. Landahl, Sooheyong Lee
Publikováno v:
Materials, Vol 16, Iss 23, p 7450 (2023)
The precise control and understanding of heat flow in heterostructures is pivotal for advancements in thermoelectric energy conversion, thermal barrier coatings, and efficient heat management in electronic and optoelectronic devices. In this study, w
Externí odkaz:
https://doaj.org/article/b195cbb7275247f68a1540c977bc0d34
Publikováno v:
Applied Sciences, Vol 12, Iss 18, p 9127 (2022)
Large increases in synchrotron brightness have brought notable breakthroughs in measurement techniques that exploit transverse coherence, such as X-ray photon correlation spectroscopy (XPCS), coherent diffraction imaging (CDI), diffraction microscopy
Externí odkaz:
https://doaj.org/article/e2810328d2dc4686ba4b91bf7f841d2f
Publikováno v:
Applied Sciences, Vol 12, Iss 17, p 8886 (2022)
We present the technical realization of a high-speed hard X-ray single-photon counting-detection scheme based on a commercial avalanche silicon photodiode and high-speed oscilloscope. The development is motivated by the need to perform pulse-resolved
Externí odkaz:
https://doaj.org/article/26f052e4125348e6995f46a48764038b
Publikováno v:
Sensors, Vol 22, Iss 3, p 1295 (2022)
The mobile monitoring of air pollution is a growing field, prospectively filling in spatial gaps while personalizing air-quality-based risk assessment. We developed wearable sensors to record particulate matter (PM), and through a community science a
Externí odkaz:
https://doaj.org/article/d45b0b2019b0472db67381a88d758fd6
Autor:
Hyeon Jun Lee, Youngjun Ahn, Samuel D. Marks, Eric C. Landahl, Shihao Zhuang, M. Humed Yusuf, Matthew Dawber, Jun Young Lee, Tae Yeon Kim, Sanjith Unithrattil, Sae Hwan Chun, Sunam Kim, Intae Eom, Sang-Yeon Park, Kyung Sook Kim, Sooheyong Lee, Ji Young Jo, Jiamian Hu, Paul G. Evans
Publikováno v:
Physical Review X, Vol 11, Iss 3, p 031031 (2021)
Weakly coupled ferroelectric/dielectric superlattice thin-film heterostructures exhibit complex nanoscale polarization configurations that arise from a balance of competing electrostatic, elastic, and domain-wall contributions to the free energy. A k
Externí odkaz:
https://doaj.org/article/e576f4a1cf0a4697aca92bac2741c769
Autor:
Sooheyong Lee, Wonhyuk Jo, Anthony D. DiChiara, Timothy P. Holmes, Stephen Santowski, Yong Chan Cho, Eric C. Landahl
Publikováno v:
Applied Sciences, Vol 9, Iss 22, p 4788 (2019)
Photogeneration of excess charge carriers in semiconductors produces electronic strain. Under transient conditions, electron-hole pairs may be separated across a potential barrier. Using time-resolved X-ray diffraction measurements across an intrinsi
Externí odkaz:
https://doaj.org/article/b76cc8e7fe2640c4ab9912553480bf0f
Autor:
Hyeon Jun Lee, Youngjun Ahn, Samuel D. Marks, Deepankar Sri Gyan, Eric C. Landahl, Jun Young Lee, Tae Yeon Kim, Sanjith Unithrattil, Sae Hwan Chun, Sunam Kim, Sang-Youn Park, Intae Eom, Carolina Adamo, Darrell G. Schlom, Haidan Wen, Sooheyong Lee, Ji Young Jo, Paul G. Evans
Publikováno v:
Nano Letters. 22:4294-4300
Publikováno v:
Sensors; Volume 22; Issue 3; Pages: 1295
Sensors, Vol 22, Iss 1295, p 1295 (2022)
Sensors, Vol 22, Iss 1295, p 1295 (2022)
The mobile monitoring of air pollution is a growing field, prospectively filling in spatial gaps while personalizing air-quality-based risk assessment. We developed wearable sensors to record particulate matter (PM), and through a community science a
Autor:
Sungwon, Kim, Youngsam, Kim, Jaeseung, Kim, Sungwook, Choi, Kyuseok, Yun, Dongjin, Kim, Soo Yeon, Lim, Sunam, Kim, Sae Hwan, Chun, Jaeku, Park, Intae, Eom, Kyung Sook, Kim, Tae-Yeong, Koo, Yunbo, Ou, Ferhat, Katmis, Haidan, Wen, Anthony, DiChiara, Donald A, Walko, Eric C, Landahl, Hyeonsik, Cheong, Eunji, Sim, Jagadeesh, Moodera, Hyunjung, Kim
Publikováno v:
Nano letters. 21(20)
As a 3D topological insulator, bismuth selenide (Bi