二氧化钒单晶纳米束中绝缘体到金属转变的电激活及其高频开关性能

J. Orlianges, O. Allegret, E. Sirjita, A. Masson, A. Boulle, V. Théry, S. Tardif, J. S. Micha, A. Crunteanu
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引用次数: 0

摘要

我们展示了通过改良气-液-固方法制造的二氧化钒单晶纳米梁作为电气开关元件与射频传输线的集成,并评估了整个装置在调制传输射频电磁波方面的性能。射频装置的开关能力基于 VO2 纳米梁的金属-绝缘体转变,其电气开关比率为 104,即导线处于绝缘状态时的电阻调制值超过 106Ω,而处于类金属状态时的电阻调制值仅为≈20Ω。VO2 导线在两种不同状态之间的热活化和电活化产生了射频开关性能,在 100 MHz-24 GHz 频域内,器件的传输系数变化超过 15 dB。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Electrical activation of insulator-to-metal transition in vanadium dioxide single-crystal nanobeam and their high-frequency switching performances
We demonstrate the integration of vanadium dioxide single-crystal nanobeams fabricated by modified vapor–liquid–solid method as electrical switching elements into a radio-frequency transmission line and evaluate the performances of the overall device in modulating the transmission of the conveyed RF electromagnetic waves. The switching capability of the RF device is based on the metal–insulator transition of VO2 nanobeams, with an on/off electrical switching ratio of 104, i.e., resistance modulation from more than 106Ω when the wires are in the insulating state to only ≈20Ω when they are in the metal-like state. The thermal and electrical activation of the VO2 wires between the two dissimilar states is resulting in RF switching performances characterized by more than 15 dB change in the transmission coefficient of the device over the 100 MHz–24  GHz frequency domain.
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