Low-frequency noise of unipolar nanorectifiers

Claudio Balocco, Shahrir R. Kasjoo, Linqing Q. Zhang, Yasaman Alimi, Aimin M. Song

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    Abstract

    Unipolar nanodiodes, also known as self-switching devices, have recently been demonstrated as terahertz detectors at room temperature. Here, we study their low-frequency noise spectra and noise equivalent power and show that both performance parameters are comparable to those reported for state-of-the-art Schottky diodes. The truly planar nanodiode layout enables building structures with thousands of devices connected in parallel, which reduce low-frequency noise without affecting sensitivity. The observed 1/f noise can be described by Hooge's mobility fluctuation theory. © 2011 American Institute of Physics.
    Original languageEnglish
    Article number113511
    JournalApplied Physics Letters
    Volume99
    Issue number11
    DOIs
    Publication statusPublished - 12 Sept 2011

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