Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Qingmao Zhang"'
Autor:
Xiaojun Tan, Donghui Chen, Jianbo Xu, Haitao Chen, Xuyun Peng, Liang Guo, Haibing Xiao, Qingmao Zhang
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 3701-3711 (2023)
Additive manufacturing of high entropy alloys (HEAs) has attracted increasing interest. A high-strength Co-free HEA with eutectic structure was developed using selective laser melting (SLM) technology in this work. This material shows excellent mecha
Externí odkaz:
https://doaj.org/article/7654bb9d3ba3487c81e27debf860fc78
Publikováno v:
Results in Physics, Vol 57, Iss , Pp 107334- (2024)
Control over the optical response of graphene metasurfaces enables many promising applications in terahertz devices, including beam filters, polarizers, and absorbers. In this paper, we provide an analytical theory that enables us to use equivalent c
Externí odkaz:
https://doaj.org/article/0e2a394173dc4952b014e81e05d90d6a
Autor:
Xiaojun Tan, Zihong Wang, Haitao Chen, Xuyun Peng, Wei Zhang, Haibing Xiao, Zhongmin Liu, Yu Hu, Liang Guo, Qingmao Zhang
Publikováno v:
Micromachines, Vol 15, Iss 4, p 471 (2024)
To enhance the applicability of dual-phase high-entropy alloys (HEAs) like Fe32Cr33Ni29Al3Ti3, fabricated via laser beam power bed fusion (LB-PBF), a focus on improving their mechanical properties is essential. As part of this effort, heat treatment
Externí odkaz:
https://doaj.org/article/51f0d05693b34af4b59df0d860b47858
Autor:
Changming Xia, Zhipeng Deng, Aoyan Zhang, Peng Cai, Zhifeng Mo, Jiantao Liu, Guiyao Zhou, Zhiyun Hou, Qingmao Zhang, Liang Guo
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 3, Pp 1-5 (2022)
A novel hollow-core antiresonant fiber with a Bragg structure is proposed. It is numerically simulated using a commercial finite element method, and optical properties of the fiber, such as mode field, confinement loss, and bend loss, are numerically
Externí odkaz:
https://doaj.org/article/623e403c6b99428b8c96080f8e3cf6dd
Autor:
Ning Zhang, Tianxue Ou, Meng Wang, Zhanjian Lin, Chao Lv, Yuzhi Qin, Jiaming Li, Huan Yang, Nan Zhao, Qingmao Zhang
Publikováno v:
Frontiers in Physics, Vol 10 (2022)
The calibration-free laser-induced breakdown spectroscopy (CF-LIBS) technique requires no reference samples of the same matrix to establish the calibration curve, not affected by the matrix effect. In recent years, the CF-LIBS technology has greatly
Externí odkaz:
https://doaj.org/article/5d4b838391fd4c5199244a2cba16eaee
Publikováno v:
Catalysts, Vol 12, Iss 11, p 1434 (2022)
In this study, to investigate how oxygen vacancy impacts the photocatalytic performance of LaNiO3, undoped and Sr-doped LaNiO3−σ nanoparticles are successfully prepared by the sol-gel method. The X-ray diffractometer (XRD) results show both two sa
Externí odkaz:
https://doaj.org/article/c008d4ac35cc4d768e071fc880e39430
Autor:
Xiaotao Yan, Xinying Peng, Yuzhi Qin, Zhiying Xu, Bohan Xu, Chuangkai Li, Nan Zhao, Jiaming Li, Qiongxiong Ma, Qingmao Zhang
Publikováno v:
Results in Optics, Vol 4, Iss , Pp 100093- (2021)
Plastics play an important role in manufacture and our daily life. In order to realize fast classifications of plastics products, this paper proposes a method using laser-induced breakdown spectroscopy (LIBS) combined with principal component analysi
Externí odkaz:
https://doaj.org/article/fff109f7787e42cb926871e13d052b94
Publikováno v:
Molecules, Vol 25, Iss 18, p 4104 (2020)
We present a novel strategy for designing a dual-band absorber based on graphene metasurface for terahertz frequencies. The absorber consists of a two-dimensional array of patches deposited on a metal-backed dielectric layer. Using an analytical circ
Externí odkaz:
https://doaj.org/article/e1c49b5a117840c0adce3f251fe1c801
Publikováno v:
Nanomaterials, Vol 9, Iss 10, p 1351 (2019)
In this paper, we propose a simple and efficient method for designing a broadband terahertz (THz) absorber based on singular graphene patches metasurface and metal-backed dielectric layer. An accurate circuit model of graphene patches is used for obt
Externí odkaz:
https://doaj.org/article/c71ce40a09e7430da172abf4d1a93ef0
Autor:
Bohan Xu, Zhanjian Lin, Zhiying Xu, Xiaotao Yan, Xinying Peng, Chuangkai Li, Yuzhi Qin, Jiaming Li, Nan Zhao, Qingmao Zhang
Publikováno v:
Journal of Analytical Atomic Spectrometry. 38:1032-1042
Fiber lasers have great advantages in long-time operations and stable power, showing great potential in laser-induced breakdown spectroscopy (LIBS) for industrial online diagnosis.