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High Field Electrical Conduction in Pre-Formed A1-ZnS-AI Thin Films in Metal-Insulator-Metal Devices

Chinese Physics Letters 2007年第7期24卷 2068-2069页

作者： M. Y. Nadee Nadeem Iqbal M. F. Wasiq A. U. Khosa department of playsics Balaauddin Zakariya University Multan Pakistan

The high field electrical conduction mechanism for the widely used ZnS thin films in the microelectronic industry is investigated. Experimental data on the dc conduction as a function of the applied bias for the A1-ZnS-A1 devices is carefully compared with the theoretical equations given by Schottky and Poole-Freukel. The resu/ts yield the value of the coefficient of the barrier lowering compatible with the Schottky theory rather than the Poole-Frenkel theory, which are also in agreement with the results reported earlier by Maekawa [Phys. Rev. Lett. 24 （1970） 1175]

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Conceptual design of the three-dimensional magnetic field configuration relevant to the magnetopause reconnection in the SPERF

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Plasma Science and Technology 2017年第3期19卷 27-33页

作者： Aohua MAO Yang REN Hantao JI Peng E Ke HAN Zhibin WANG Qingmei XlAO Laboratory for Space Environment and Physical Sciences Harbin Institute of Technology Harbin 150001 People's Republic of China Princeton Plasma playsics Laboratory Princeton University Princeton New Jersey 08543 USA School of computer & information engineering Harbin University of Commerce Harbin 150028 people's Republic of China department of electrical engineering Harbin Institute of Technology Harbin 150001 People's Republicof China

A new ground-based expenmental device,the Space Plasma Environment Research Facility（SPERF）,is being designed at Harbin Institute of Technology in China,with Asymmetric REconnection eXperiment-3 Dimensional（AREX-3D） as one of the experimental components to study the asymmetric reconnection dynamics relevant to the interaction between the interplanetary and magnetospheric *** asymmetry in the designed magnetic reconnection process not only refers to the distinct plasma parameters designed for the two upstream regions across the current sheet,but also refers to the inhomogeneity in the direction along the current sheet resulting from the designed 3D magnetic field *** two asymmetries are fundamental features of the reconnection process at the Earth＇s *** experiment,the reconnection process is driven by a set of flux cores through coil-currentramp-up from the ＇magnetosheath-side＇ to interact with a dipole magnetic field generated by the Dipole Research Experiment（DREX） coil on the ＇magnetosphere-side＇.The AREX-3D will be able to investigate a range of important reconnection issues in 3D magnetic field geometry that is relevant to the Earth＇s magnetopause.A wide range of plasma parameters can be achieved through inductive plasma generation with flux cores on the ＇magnetosheath-side＇ and electron cyclotron resonance（ECR） with microwave sources on the ＇magnetosphere-side＇,***（low）plasma density at experimental magnetosheath（dipole） *** reconnection regimes and geometries can be produced by adjusting plasma parameters and coil setups as well as coil current *** three-dimensional magnetic field configurations in the SPERF relevant to the dayside magnetopause reconnection are discussed in detail.

关键词： AREX-3D SPERF magnetosphere reconnection experiment asymmetric magneticreconnection

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