Design and fabrication of metal-insulator-metal diode for high frequency applications

Ibrahim Azad; Manoj K. Ram; D. Yogi Goswami; Elias Stefanakos

doi:10.1117/12.2262618

16 May 2017 Design and fabrication of metal-insulator-metal diode for high frequency applications

Ibrahim Azad, Manoj K. Ram, D. Yogi Goswami, Elias Stefanakos

Proceedings Volume 10177, Infrared Technology and Applications XLIII; 101772J (2017) https://doi.org/10.1117/12.2262618
Event: SPIE Defense + Security, 2017, Anaheim, CA, United States

Abstract

Metal-insulator-metal (MIM) diodes play significant role in high speed electronics where high frequency rectification is needed. Quantum based tunneling mechanism helps MIM diodes to rectify at high frequency signals. Rectenna, antenna coupled MIM diodes are becoming popular due to their potential use as IR detectors and energy harvesters. Because of small active area, MIM diodes could easily be incorporated into integrated circuits (IC's). The objective of the work is to design and develop MIM diodes for high frequency rectification. In this work, thin insulating layer of ZnO was fabricated using Langmuir-Blodgett (LB) technique which facilitates ultrathin thin, uniform and pinhole free fabrication of insulating layer. The ZnO layer was synthesized from organic precursor of zinc acetate layer. The optimization in the LB technique of fabrication process led to fabricate MIM diodes with high non-linearity and sensitivity. Moreover, the top and bottom electrodes as well as active area of the diodes were patterned using UV-tunneling conduction mechanism. The highest sensitivity of the diode was measured around 37 (A/W), and the rectification ratio was found around 36 under low applied bias at ±100 mV.

Citation Download Citation

Ibrahim Azad, Manoj K. Ram, D. Yogi Goswami, and Elias Stefanakos "Design and fabrication of metal-insulator-metal diode for high frequency applications", Proc. SPIE 10177, Infrared Technology and Applications XLIII, 101772J (16 May 2017); https://doi.org/10.1117/12.2262618

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