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1. Resistance switching characteristic of Ag/Fe2O3/MoS2/Ag with very low switching voltage | |||
SHU Haiyan,HE Chaotao,ZHANG Xingwen,LI Shichang,CHEN Peng | |||
Physics 28 November 2023 | |||
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Abstract:In this paper,the resistive switching characteristics of Ag/Fe2O3/MoS2/Ag multilayer film deposited on ITO by magnetron sputtering are investigated.The Ag/Fe2O3/MoS2/Ag device exhibits superior resistive switching behavior compared to the device without Fe2O3 layer due to the positive effect of oxygen vacancies in Fe2O3 on the formation of conducting filaments. The resistive switching ratio of the device is close to 7.0 × 105. The current value of the device drops sharply at 0.12 V when the voltage is swept forward, and the device switches from HRS back to LRS at -0.28 V when a voltage of opposite polarity is applied.The I-V curves of the device are fitted in double logarithmic coordinates, and it is found that the device is controlled by an ohmic conduction model in the low resistance state and two conduction models in the high resistance state: in the low bias region, which exhibits ohmic conduction, and at higher voltages, which is controlled by the SCLC conduction model. Such a resistive switching characteristic with very low switching voltage and high resistance ratio is of particular importance in the application of resistive stochastic storage. | |||
TO cite this article:SHU Haiyan,HE Chaotao,ZHANG Xingwen, et al. Resistance switching characteristic of Ag/Fe2O3/MoS2/Ag with very low switching voltage[OL].[28 November 2023] http://en.paper.edu.cn/en_releasepaper/content/4761573 |
2. Apodized Grating Coupler Using Fully-etched Nanostructures | |||
WU Hua,LI Chong,LI Zhiyong,GUO Xia | |||
Physics 02 December 2015 | |||
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Abstract:A 2-dimensional apodized grating coupler for interfacing between single-mode ?bers and photonic circuits on silicon-on-insulator is demonstrated. The grating coupler with grating grooves are realized by columns of fully etched nanostructures, with the feasibility of digitally tailoring the effective refractive index of each groove in order to obtain the Gaussian-like output diffractive mode in order to enhance the coupling efficiency to the optical fiber. Compared with the uniform grating couplers, the coupling efficiency of the apodized grating couplers increased by 4.3% and 5.7%, respectively, for the nanoholes and nanorectangles as refractive index tuning layer. | |||
TO cite this article:WU Hua,LI Chong,LI Zhiyong, et al. Apodized Grating Coupler Using Fully-etched Nanostructures[J]. |
3. Rectifying characteristics of Bi2Sr2Co2Oy/Si heterojunction | |||
Yan Guoying,Bai Zilong,Wang Shufang,Liu Fuqiang,Wang Jianglong,Yu Wei,Fu Guangsheng | |||
Physics 13 December 2012 | |||
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Abstract:A Bi2Sr2Co2Oy/Si heterojunction has been obtained by growing a layer of p-type Bi2Sr2Co2Oy film on a commercial n-type silicon wafer by pulsed laser deposition, and its rectifying properties were studied in a wide temperature range from 20 to 300 K. The heterojuction exhibited a perfect rectifying characteristic and its transport mechanism under the forward bias can be attributed to a trap-filled limit conduction mechanism via the oxygen defects in the Bi2Sr2Co2Oy film and the interface defects of the heterojunction. The results demonstrated the potential application of a Bi2Sr2Co2Oy-based heterojunction in the electronic devices. | |||
TO cite this article:Yan Guoying,Bai Zilong,Wang Shufang, et al. Rectifying characteristics of Bi2Sr2Co2Oy/Si heterojunction[OL].[13 December 2012] http://en.paper.edu.cn/en_releasepaper/content/4503744 |
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