英国物理学会
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作者:W J Zhang , X Y Yang ...
来源:[J].Superconductor Science and Technology(IF 2.758), 2018, Vol.31 (3)IOP
摘要:Superconducting nanowire single-photon detectors (SNSPDs) with both high system detection efficiency (SDE) and low dark count rate (DCR) play significant roles in quantum information processes and various applications. The background dark counts of SNSPDs originate from the room ...
作者:W J Zhang , H Li ...
来源:[J].Superconductor Science and Technology(IF 2.758), 2016, Vol.29 (6)IOP
摘要:The performance of superconducting nanowire single-photon detectors (SNSPDs) relies on substrate materials. Magnesium fluoride (MgF2) exhibits outstanding optical properties, such as large optical transmission range and low refractive index ( n = 1.38), making it an at...
作者:W J Zhang , L X You ...
来源:[J].Superconductor Science and Technology(IF 2.758), 2017, Vol.30 (7)IOP
摘要:Superconducting nanowire single-photon detectors (SNSPDs) are widely used for the detection of visible and near-infrared single photons. Due to the nature of the polarization sensitive absorption of the nanowire, the detection efficiency (DE) of the meander SNSPD is polarization ...
作者:W J Zhang , X F Han
来源:[J].Superconductor Science and Technology(IF 2.758), 2017, Vol.30 (11)IOP
摘要:We investigated the transport properties of a superconducting Nb film with a diluted square array of holes, in which one fourth of the sites were removed from the original square lattice. The edge-to-edge separation of the holes in the sample is comparable to the superconduc...
作者:W J Zhang , S J Chen ...
来源:[J].Superconductor Science and Technology(IF 2.758), 2017, Vol.30 (11)IOP
摘要:We demonstrate a large active area superconducting single-nanowire photon detector with a diameter of Φ100 μ m. The detector was fabricated on a Si substrate with distributed Bragg reflector acting as an optical cavity and coupled with a 105 μ m multi-mode optical fiber. Owi...
作者:W J Zhang , Y Zhang ...
来源:[J].Nanotechnology(IF 3.842), 2018, Vol.29 (31)IOP
摘要:Noble metal nanoparticles (NPs) such as Au and Ag have shown many applications in the field of catalysis, sensing etc. due to their excellent photoelectric properties. But agglomeration and a low recovery rate are big problems for their applications. In this research, a nove...
作者:... C Q Wang , H W Ma , W J Zhang
来源:[J].IOP Conference Series: Earth and Environmental Science, 2017, Vol.93 (1)IOP
摘要:The city conducted groundwater artificial recharge test which was taken a typical site as an example, and the purpose is to prevent and control land subsidence, increase the amount of groundwater resources. To protect groundwater environmental quality and safety, the city chose t...
作者:... X Y Chen , H J Mao , W J Zhang
来源:[J].IOP Conference Series: Materials Science and Engineering, 2018, Vol.292 (1)IOP
摘要:La2O3-B2O3-CaO glasses with different B2O3 content were synthesized by melting method to produce glass/ceramic composites in this work. XRD and DSC results revealed that the diminution of B2O3<...
作者:... H J Mao , Y W Zhang , W J Zhang
来源:[J].IOP Conference Series: Materials Science and Engineering, 2018, Vol.292 (1)IOP
摘要:In this paper, a new amorphous Ba-Ca-Al-Si glass was prepared and the composites with different glass/alumina ratios, which ranged from 40 wt. % glass to 60 wt. % glass, have been studied. According to XRD patterns, the main crystalline phases of the composites are Al2<...
作者:W J Zhang , X J Yan ...
来源:[J].IOP Conference Series: Materials Science and Engineering, 2018, Vol.392 (5)IOP
摘要:In this paper, the formulation technology of gastric floating tablets of total alkaloids from Chelidonium majus (TAC) was optimized according to its behavior of floating and the release characteristics. Gastric floating tablets were prepared by direct compression with dry powder....

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