DataVXAdvanced Functional MaterialsPaper
journal article·2016-09

Imprinting of Local Metallic States into VO2 with Ultraviolet Light

Hai‐Tian Zhang, Lu Guo, Greg Stone, Lei Zhang, Yuan‐Xia Zheng, Eugene Freeman, Derek W. Keefer, Subhasis Chaudhuri, Hanjong Paik, Jarrett A. Moyer, Michael Barth, Darrell G. Schlom, John V. Badding, Suman Datta, Venkatraman Gopalan, Roman Engel‐Herbert

Advanced Functional Materials· Volume 26· Issue 36
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Source abstract

Abstract

Materials exhibiting electronic phase transitions have attracted widespread attention. By switching between metallic and insulating states under external stimuli, the accompanying changes in the electrical and optical properties can be harnessed in novel electronic and optical applications. In this work, a laterally confined conductive pattern is inscribed into an otherwise insulating VO2 thin film using ultraviolet light, inducing an almost four orders of magnitude decrease in electrical resistivity of the exposed area. The metallic imprint remains in VO2 after ultraviolet light exposure and can be completely erased by a short low temperature anneal. The ability to optically pattern confined metallic structures provides new opportunities for reconfigurable photonic and plasmonic structures, as well as re‐writable electric circuitry.
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Research context

OpenAlex topics: Transition Metal Oxide Nanomaterials · Advanced Memory and Neural Computing · Gas Sensing Nanomaterials and Sensors

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Materials Science and Engineering Pennsylvania State University University Park PA 16802 USA

Department of Physics Pennsylvania State University University Park PA 16802 USA

Department of Electrical Engineering Pennsylvania State University University Park PA 16802 USA

Department of Chemistry and Materials Research Institute Pennsylvania State University University Park PA 16802 USA

Department of Materials Science and Engineering Cornell University Ithaca NY 14853 USA

Department of Physics University of Illinois at Urbana‐Champaign Urbana IL 61801 USA

Kavli Institute at Cornell for Nanoscale Science Ithaca NY 14853 USA

Funding

Office of Naval Research · Microelectronics Advanced Research Corporation · Defense Advanced Research Projects Agency

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