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Title: Isostructural metal-insulator transition in VO 2

Journal Article · · Science
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4];  [5]; ORCiD logo [3];  [4]; ORCiD logo [4]; ORCiD logo [1];  [1];  [6];  [7]; ORCiD logo [8]; ORCiD logo [1];  [9]; ORCiD logo [9];  [8];  [5]; ORCiD logo [3]; ORCiD logo [2] more »; ORCiD logo [1] « less
  1. Department of Materials Science and Engineering, University of Wisconsin, Madison, WI 53706, USA.
  2. School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 16419, Korea.
  3. Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA 16802, USA.
  4. Department of Materials Modeling and Characterization, Korea Institute of Materials Science, Changwon 642-831, Korea.
  5. Department of Physics, University of Wisconsin, Madison, WI 53706, USA.
  6. Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, USA., School of Physical Sciences, Dublin City University, Dublin 9, Ireland.
  7. Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, USA.
  8. Department of Physics and Astronomy and Nebraska Center for Materials and Nanoscience, University of Nebraska, Lincoln, NE 68588, USA.
  9. Department of Physics, Boise State University, Boise, ID 83725, USA.

The metal-insulator transition in correlated materials is usually coupled to a symmetry-lowering structural phase transition. This coupling not only complicates the understanding of the basic mechanism of this phenomenon but also limits the speed and endurance of prospective electronic devices. We demonstrate an isostructural, purely electronically driven metal-insulator transition in epitaxial heterostructures of an archetypal correlated material, vanadium dioxide. A combination of thin-film synthesis, structural and electrical characterizations, and theoretical modeling reveals that an interface interaction suppresses the electronic correlations without changing the crystal structure in this otherwise correlated insulator. This interaction stabilizes a nonequilibrium metallic phase and leads to an isostructural metal-insulator transition. This discovery will provide insights into phase transitions of correlated materials and may aid the design of device functionalities.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; US Department of the Navy, Office of Naval Research (ONR); National Science Foundation (NSF)
Grant/Contract Number:
FG02-06ER46327; AC02-06CH11357
OSTI ID:
1483924
Alternate ID(s):
OSTI ID: 1505612
Journal Information:
Science, Journal Name: Science Vol. 362 Journal Issue: 6418; ISSN 0036-8075
Publisher:
American Association for the Advancement of Science (AAAS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 115 works
Citation information provided by
Web of Science

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Cited By (11)

Hydrogenation Dynamics of Electrically Controlled Metal–Insulator Transition in Proton‐Gated Transparent and Flexible WO 3 Transistors journal June 2019
Van der Waals Heteroepitaxial VO 2 /Mica Films with Extremely Low Optical Trigger Threshold and Large THz Field Modulation Depth journal July 2019
A Room‐Temperature Verwey‐type Transition in Iron Oxide, Fe 5 O 6 journal January 2020
Modulated Metal–Insulator Transition Behaviors in Vanadium Dioxide Nanowires with an Artificial Oxidized Domain journal May 2019
Nitrogen Boosts Defective Vanadium Oxide from Semiconducting to Metallic Merit journal April 2019
Generalized way to make temperature tunable conductor–insulator transition liquid metal composites in a diverse range journal January 2019
Organismic materials for beyond von Neumann machines journal March 2020
Competing phases in epitaxial vanadium dioxide at nanoscale journal August 2019
Phase-transition modulated, high-performance dual-mode photodetectors based on WSe 2 /VO 2 heterojunctions journal December 2019
Search for power-efficient wide-range reversible resistance modulation of VO 2 single crystals journal July 2019
Effect of Oxygen Interstitial Ordering on Multiple Order Parameters in Rare Earth Ferrite journal December 2019

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