Nanoscale memristive radiofrequency switches.

Abstract:

:Radiofrequency switches are critical components in wireless communication systems and consumer electronics. Emerging devices include switches based on microelectromechanical systems and phase-change materials. However, these devices suffer from disadvantages such as large physical dimensions and high actuation voltages. Here we propose and demonstrate a nanoscale radiofrequency switch based on a memristive device. The device can be programmed with a voltage as low as 0.4 V and has an ON/OFF conductance ratio up to 10(12) with long state retention. We measure the radiofrequency performance of the switch up to 110 GHz and demonstrate low insertion loss (0.3 dB at 40 GHz), high isolation (30 dB at 40 GHz), an average cutoff frequency of 35 THz and competitive linearity and power-handling capability. Our results suggest that, in addition to their application in memory and computing, memristive devices are also a leading contender for radiofrequency switch applications.

journal_name

Nat Commun

journal_title

Nature communications

authors

Pi S,Ghadiri-Sadrabadi M,Bardin JC,Xia Q

doi

10.1038/ncomms8519

subject

Has Abstract

pub_date

2015-06-25 00:00:00

pages

7519

issn

2041-1723

pii

ncomms8519

journal_volume

6

pub_type

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