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文中主要对回热器中的能流及其能流分量进行了模拟 ,并在此基础上分析了能流及其分量对热声热机的影响 ,为更深地理解热声热机中所发生的能量转换现象 ,更好地设计热声热机提供有价值的依据和参考。 相似文献
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We propose a simple scheme to generate two-mode entangled coherent state in two separated cavities and realize the entanglement
reciprocation between the superconducting charge qubits and continuous-variable system. By measuring the state of charge qubits,
we find that the entanglement of two charge qubits, which are initially prepared in the maximally entangled state, can be
transferred to the two-cavity field, and at this time the two-cavity field is in the entangled coherent state. We also find
that the entanglement can be retrieved back to the two charge qubits after measuring the state of the two-cavity field.
相似文献
76.
V. Tabatadze A. Bijamov Jr D. Kakulia G. Saparishvili D. Kakulia R. Zaridze Ch. Hafner D. Erni 《International Journal of Infrared and Millimeter Waves》2008,29(12):1172-1185
The need for a highly efficient numerical simulation platform for designing photonic band gap (PBG) structures is outlined
in the context of various functional device topologies. In this paper we therefore introduce the Method of Auxiliary Sources
(MAS) as a semi-analytical, frequency-domain method for computational optics, which has already proven its accuracy and efficiency
in various other fields of electrodynamics. The proposed software package provides an easy-to-handle approach to full-wave
analysis of two-dimensional (2D) PBG circuits, PBG-based antennas as well as to dense-integrated optics components that contain
optical waveguides, scatterers, resonators and other functional elements. Experimental verifications of the numerical results
have been conducted along large-scale prototypes in the microwave frequency range for several device topologies. 相似文献
77.
Xiaoyu Ding Dr. Zhenghui Pan Na Liu Linge Li Xianshu Wang Guoguang Xu Jie Yang Jin Yang Nengsheng Yu Meinan Liu Prof. Wanfei Li Prof. Yuegang Zhang 《Chemistry (Weinheim an der Bergstrasse, Germany)》2019,25(15):3775-3780
Flexible lithium/sulfur (Li/S) batteries are promising to meet the emerging power demand for flexible electronic devices. The key challenge for a flexible Li/S battery is to design a cathode with excellent electrochemical performance and mechanical flexibility. In this work, a flexible strap-like Li/S battery based on a S@carbon nanotube/Pt@carbon nanotube hybrid film cathode was designed. It delivers a specific capacity of 1145 mAh g−1 at the first cycle and retains a specific capacity of 822 mAh g−1 after 100 cycles. Moreover, the flexible Li/S battery retains stabile specific capacity and Coulombic efficiency even under severe bending conditions. As a demonstration of practical applications, an LED array is shown stably powered by the flexible Li/S battery under flattened and bent states. We also use the strap-like flexible Li/S battery as a real strap for a watch, which at the same time provides a reliable power supply to the watch. 相似文献
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The electronic transport of monolayer graphene devices is studied before and after in situ deposition of a sub-monolayer coating of osmium adatoms. Unexpectedly, and unlike all other metallic adatoms studied to date, osmium adatoms shift the charge neutrality point to more positive gate voltages. This indicates that osmium adatoms act as electron acceptors and thus leave the graphene hole-doped. Analysis of transport data suggest that Os adatoms behave as charged impurity scatterers, albeit with a surprisingly low charge-doping efficiency. The charge neutrality point of graphene is found to vary non-monotonically with gate voltage as the sample is warmed to room temperature, suggesting that osmium diffuses on the surface but is not completely removed. 相似文献
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Chuanli Wu Xiaohang Qiao Dr. Craig M. Robertson Prof. Simon J. Higgins Prof. Chenxin Cai Prof. Richard J. Nichols Dr. Andrea Vezzoli 《Angewandte Chemie (Weinheim an der Bergstrasse, Germany)》2020,132(29):12127-12132
Polyoxometalates have been proposed in the literature as nanoelectronic components, where they could offer key advantages with their structural versatility and rich electrochemistry. Apart from a few studies on their ensemble behaviour (as monolayers or thin films), this potential remains largely unexplored. We synthesised a pyridyl-capped Anderson–Evans polyoxometalate and used it to fabricate single-molecule junctions, using the organic termini to chemically “solder” a single cluster to two nanoelectrodes. Operating the device in an electrochemical environment allowed us to probe charge transport through different oxidation states of the polyoxometalate, and we report here an efficient three-state transistor behaviour. Conductance data fits a quantum tunnelling mechanism with different charge-transport probabilities through different charge states. Our results show the promise of polyoxometalates in nanoelectronics and give an insight on their single-entity electrochemical behaviour. 相似文献
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