Possible phonon-induced electronic bi-stability in VO2 for ultrafast memory at room temperature

Yong Tan, Hang Zhao, Liangliang Zhangyan Yan, Liangliang Zhang, Yan Zhang, Cedric Weber, Swagata Acharya, Brian Cunningham, Myrta Gruning, Kai Liu, Mark Van Schilfgaarde, Mostafa Shalaby

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

2 Citations (Scopus)

Abstract

VO2 is a model material system which exhibits a metal to insulator transition at T = 67°C thus holds potential for future ultrafast storage. There is a controversy on whether the IMT in VO2 is purely electronic, or is driven by lattice distortions. However, the purely electronic process is more meaningful in ultrafast switching. We found a new electron-phonon pathway for a purely reversible electronic transition in a true bi-stable fashion under specific conditions. This finding will prompt the design of future ultrafast electro-resistive non-volatile memory devices.

Original languageEnglish
Title of host publicationIRMMW-THz 2019 - 44th International Conference on Infrared, Millimeter, and Terahertz Waves
PublisherIEEE Computer Society
Volume2019-September
ISBN (Electronic)9781538682852
DOIs
Publication statusPublished - 1 Sept 2019
Event44th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2019 - Paris, France
Duration: 1 Sept 20196 Sept 2019

Conference

Conference44th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2019
Country/TerritoryFrance
CityParis
Period1/09/20196/09/2019

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