Zobrazeno 1 - 10
of 585
pro vyhledávání: '"Shengzhi Zhao"'
Publikováno v:
Advanced Science, Vol 11, Iss 35, Pp n/a-n/a (2024)
Abstract Low‐dimensional lead halide perovskites demonstrate remarkable nonlinear optical characteristics attributed to their distinctive physical structures and electronic properties. Nevertheless, the investigation into their nonlinear optical pr
Externí odkaz:
https://doaj.org/article/51976e9e7049411880fb04bfbcf9f2ea
Autor:
Chao Han, Hongwei Chu, Tianli Feng, Shengzhi Zhao, Dechun Li, Han Zhang, Jia Zhao, Weiping Huang
Publikováno v:
Nanomaterials, Vol 14, Iss 18, p 1491 (2024)
The synthesis of 2D MoWS2 nanosheets involved the liquid-phase exfoliation technique was explored in this paper. The nonlinear optical response of MoWS2 was characterized in the 1 µm wavelength range, and its suitability as a saturable absorber (SA)
Externí odkaz:
https://doaj.org/article/10fcf2593bf8476fafb2c6072e3cbfe8
Publikováno v:
Journal of Materiomics, Vol 9, Iss 4, Pp 642-650 (2023)
Here, we investigated the nonlinear optical (NLO) characteristics of carboxyl-functionalized graphene oxide (GO-COOH) in the near-infrared (NIR) region. The results revealed that GO-COOH samples exhibit strong saturable absorption at low pump levels
Externí odkaz:
https://doaj.org/article/2bb2ba6feced4edb831543ec3f5d9a7e
Autor:
Yuying Sun, Man Ping Wang, Yee Tak Derek Cheung, Sai Yin Ho, Tzu Tsun Luk, Shengzhi Zhao, Yongda Socrates Wu, Bonny Yee-Man Wong, Xue Weng, Jianjiu Chen, Xiaoyu Zhang, Lok Tung Leung, Kin Yeung Chak, Tai Hing Lam
Publikováno v:
Tobacco Induced Diseases, Vol 20, Iss March, Pp 1-9 (2022)
Introduction Changes in tobacco use since the COVID-19 outbreak differed by countries and little is known about changes in the use of specific tobacco products. Methods We analyzed data from four cross-sectional telephone/online surveys from April t
Externí odkaz:
https://doaj.org/article/2e116d902c8041009298a410478657ba
Publikováno v:
Journal of Materiomics, Vol 8, Iss 2, Pp 511-517 (2022)
As a representative transition metal oxide, cupric oxide (CuO) has attracted a lot of interest in miscellaneous fields. In the present work, the prominent third-order nonlinear optical (NLO) features of CuO nanosheets were demonstrated via the typica
Externí odkaz:
https://doaj.org/article/563b2408602c4128ab022057333cd3a1
Publikováno v:
Nanoscale Research Letters, Vol 14, Iss 1, Pp 1-6 (2019)
Abstract Heterostructure ReS2/GaAs was fabricated on a 110-μm (111) GaAs wafer by chemical vapor deposition method. Passively Q-switched Nd:YVO4 laser was demonstrated by employing heterostructure ReS2/GaAs as a saturable absorber (SA). The shortest
Externí odkaz:
https://doaj.org/article/2b4b48d1d19a4b10a07c0ddb431a3fbc
Autor:
Ningyuan Guo, Ziqiu Guo, Shengzhi Zhao, Sai Yin Ho, Daniel Yee Tak Fong, Agnes Yuen Kwan Lai, Sophia Siu-Chee Chan, Man Ping Wang, Tai Hing Lam
Publikováno v:
PLoS ONE, Vol 16, Iss 3, p e0249400 (2021)
BackgroundInequalities in health information seeking behaviors (HISBs) using mass media and internet websites (web 1.0) are well documented. Little is known about web 2.0 such as social networking sites (SNS) and instant messaging (IM) and experience
Externí odkaz:
https://doaj.org/article/6f12469290614272a74a9e226dde9c5a
Publikováno v:
Materials & Design, Vol 183, Iss , Pp - (2019)
We theoretically investigated the structural stability, electronic and optical properties of the sandwich graphene-MoSe2-graphene (G-MoSe2-G) heterostructure via the density functional theory (DFT). The simulation revealed that the relative movement
Externí odkaz:
https://doaj.org/article/da5fcb36b3f4423ebf6ba3c8279ad3e9
Autor:
Lei Guo, Yaling Yang, Ruihua Wang, Baitao Zhang, Tao Li, Shengzhi Zhao, Jingliang He, Kejian Yang
Publikováno v:
Molecules, Vol 26, Iss 23, p 7324 (2021)
We report the characteristics of a diode-end-pumped, high-repetition-rate, acoustic-optic (AO) Q-switched Tm:YLF laser operating from 5 kHz to 10 kHz. In the continuous-wave (CW) regime, a maximum average output power of 8.5 W was obtained with a slo
Externí odkaz:
https://doaj.org/article/1622fd356d7940e7a05c7363370f4a0d
Publikováno v:
Molecules, Vol 26, Iss 21, p 6666 (2021)
Based on density functional theory, we have systematically investigated the geometric, magnetic, and electronic properties of fluorographene with three types of vacancy defects. With uneven sublattice, the partial defect structures are significantly
Externí odkaz:
https://doaj.org/article/68ffa7a76b1d4d32a43e1cbfc6f85c26