Mechanical control of electroresistive switching

Yunseok Kim, Simon J. Kelly, Anna Morozovska, Ehsan Kabiri Rahani, Evgheni Strelcov, Eugene Eliseev, Stephen Jesse, Michael D. Biegalski, Nina Balke, Nicole Benedek, Dmitri Strukov, J. Aarts, Inrok Hwang, Sungtaek Oh, Jin Sik Choi, Taekjib Choi, Bae Ho Park, Vivek B. Shenoy, Peter Maksymovych, Sergei V. Kalinin

Research output: Contribution to journalArticlepeer-review

52 Scopus citations

Abstract

Hysteretic metal-insulator transitions (MIT) mediated by ionic dynamics or ferroic phase transitions underpin emergent applications for nonvolatile memories and logic devices. The vast majority of applications and studies have explored the MIT coupled to the electric field or temperarture. Here, we argue that MIT coupled to ionic dynamics should be controlled by mechanical stimuli, the behavior we refer to as the piezochemical effect. We verify this effect experimentally and demonstrate that it allows both studying materials physics and enabling novel data storage technologies with mechanical writing and current-based readout.

Original languageEnglish
Pages (from-to)4068-4074
Number of pages7
JournalNano Letters
Volume13
Issue number9
DOIs
StatePublished - Sep 11 2013

Funding

FundersFunder number
National Science Foundation1235870

    Keywords

    • AFM
    • Piezochemical effect
    • mechanical force
    • metal-insulator transition
    • pressure

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