Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Tongcheng Yu"'
Autor:
Tongcheng Yu, Francisco Rodriguez, Fred Schedin, Vasyl G. Kravets, Vladimir A. Zenin, Sergey I. Bozhevolnyi, Konstantin S. Novoselov, Alexander N. Grigorenko
Publikováno v:
Communications Materials, Vol 3, Iss 1, Pp 1-8 (2022)
Nanoscale light manipulation and characterization are essential in nano-optics, but conventional microscopy or indirect imaging methods are often limited by low resolution or invasive nature. Here, a non-destructive light-field imaging with ~20 nm re
Externí odkaz:
https://doaj.org/article/dbdc69c4caa147c8b57b259739d860b6
Autor:
Hanchang Huang, Yanyi Zhong, Mingchen Li, Wenda Cui, Tongcheng Yu, Guomin Zhao, Zhongyang Xing, Chuan Guo, Kai Han
Publikováno v:
Frontiers in Chemistry, Vol 11 (2023)
In Yb-Er co-doped upconversion (UC) nanomaterials, upconversion luminescence (UCL) can be modulated to generate multiband UCL emissions by changing the concentration of activator Er3+. Nonetheless, the effect of the Er3+ concentrations on the kinetic
Externí odkaz:
https://doaj.org/article/34419cc5495d4f37bc9b7e59bc9edf15
Autor:
Hanchang Huang, Maohui Yuan, Zhongyang Xing, Wenda Cui, Tongcheng Yu, Shuai Hu, Guomin Zhao, Chuan Guo, Kai Han
Publikováno v:
Journal of Materials Chemistry C. 10:15897-15905
In lanthanide-sensitized upconversion (UC) nanomaterials, the typical sensitizer Yb3+ can significantly modulate the codoped activator (such as Er3+ ions) to generate multiband transitions.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2536cea5a613b9038b69a6aa9688cc8c
https://doi.org/10.1039/d2tc03013f
https://doi.org/10.1039/d2tc03013f
Publikováno v:
Kravets, V G, Wu, F, Yu, T & Grigorenko, A N 2022, ' Metal-Dielectric-Graphene Hybrid Heterostructures with Enhanced Surface Plasmon Resonance Sensitivity Based on Amplitude and Phase Measurements ', Plasmonics . https://doi.org/10.1007/s11468-022-01594-y
Metal-dielectric-graphene hybrid heterostructures based on oxides Al2O3, HfO2, and ZrO2 as well as on complementary metal–oxide–semiconductor compatible dielectric Si3N4 covering plasmonic metals Cu and Ag have been fabricated and studied. We sho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a732950dd024855b6b7637314e026ce0
https://doi.org/10.1007/s11468-022-01594-y
https://doi.org/10.1007/s11468-022-01594-y
Publikováno v:
The Journal of Physical Chemistry C
One of the exciting features of graphene is a possibility to affect its electrical, optical, and chemical properties by gating, that is, by application of an electric field. This requires reasonabl...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b00ae99681bf9f3db232640d8d7342c5
Autor:
Zelin Liu, Zhao Guomin, Tongcheng Yu, Zhongjie Xu, Minsun Chen, Chuan Guo, Kai Han, Liu Hao, Lei Chen
Publikováno v:
Chinese Optics Letters. 20:013802
In this paper, an effective method is proposed to generate specific periodical surface structures. A 532 nm linearly polarized laser is used to irradiate the silicon with pulse duration of 10 ns and repetition frequency of 10 Hz. Laser-induced period
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f23645098ccdcf614cffaf67bc506266
https://doi.org/10.3788/col202220.013802
https://doi.org/10.3788/col202220.013802
Autor:
Vasyl G. Kravets, Alexander N. Grigorenko, Tongcheng Yu, Gregory Auton, Fan Wu, Shinji Imaizumi
Publikováno v:
npj 2D Materials and Applications, Vol 3, Iss 1, Pp 1-10 (2019)
npj 2D Materials and Applications
Kravets, V, Wu, F, Auton, G, Yu, T, Imaizumi, S & Grigorenko, A 2019, ' Measurements of electrically tunable refractive index of MoS2 monolayer and its usage in optical modulators ', n p j 2D Materials and Applications . https://doi.org/10.1038/s41699-019-0119-1
npj 2D Materials and Applications
Kravets, V, Wu, F, Auton, G, Yu, T, Imaizumi, S & Grigorenko, A 2019, ' Measurements of electrically tunable refractive index of MoS2 monolayer and its usage in optical modulators ', n p j 2D Materials and Applications . https://doi.org/10.1038/s41699-019-0119-1
Two-dimensional materials hold a great promise for developing extremely fast, compact and inexpensive optoelectronic devices. A molybdenum disulphide (MoS2) monolayer is an important example which shows strong, stable and gate tunable optical respons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3227c2df1e5ee234e8b0b34ecad6b0c6