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Title: Controlling phase separation in vanadium dioxide thin films via substrate engineering

The strong electron-lattice interactions in correlated electron systems provide unique opportunities for altering the material properties with relative ease and flexibility. Here in this Rapid Communication, we use localized strain control via a focused-ion-beam patterning of TiO 2 substrates to demonstrate that one can selectively engineer the insulator-to-metal transition temperature, the fractional component of the insulating and metallic phases, and the degree of optical anisotropy down to the length scales of the intrinsic phase separation in VO 2 thin films without altering the quality of the films. The effects of localized strain control on the strongly correlated electron system are directly visualized by state-of-the-art IR near-field imaging and spectroscopy techniques and x-ray microdiffraction measurements.
Authors:
 [1] ;  [2] ;  [1] ;  [3] ;  [4] ;  [4] ;  [1] ;  [5] ;  [5] ;  [6] ;  [3] ;  [7] ;  [4] ;  [8] ;  [1]
  1. Stony Brook Univ., NY (United States). Dept. of Physics
  2. Chinese Academy of Sciences (CAS), Shanghai (China). Shanghai Inst. of Microsystem and Information Technology. State Key Lab. of Transducer Technology
  3. Univ. of Virginia, Charlottesville, VA (United States). Dept. of Materials Science and Engineering
  4. Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
  5. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
  6. Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source II (NSLS-II)
  7. Univ. of Virginia, Charlottesville, VA (United States). Dept. of Materials Science and Engineering, and Dept. of Physics
  8. Chinese Academy of Sciences (CAS), Shanghai (China). Shanghai Inst. of Microsystem and Information Technology. State Key Lab. of Transducer Technology; Univ. of Texas, Austin, TX (United States). Dept. of Mechanical Engineering
Publication Date:
Report Number(s):
BNL-203352-2018-JAAM
Journal ID: ISSN 2469-9950; PRBMDO; 140009; TRN: US1801832
Grant/Contract Number:
AC02-06CH11357; SC0012704; SC0012509; AC02-05CH11231
Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 96; Journal Issue: 16; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Near-field; vanadium dioxide; XRD; spectroscopy; phase-change; phase separation; substrate patterning
OSTI Identifier:
1423692
Alternate Identifier(s):
OSTI ID: 1402110; OSTI ID: 1426462

Gilbert Corder, Stephanie N., Jiang, Jianjuan, Chen, Xinzhong, Kittiwatanakul, Salinporn, Tung, I-Cheng, Zhu, Yi, Zhang, Jiawei, Bechtel, Hans A., Martin, Michael C., Carr, G. Lawrence, Lu, Jiwei, Wolf, Stuart A., Wen, Haidan, Tao, Tiger H., and Liu, Mengkun. Controlling phase separation in vanadium dioxide thin films via substrate engineering. United States: N. p., Web. doi:10.1103/PhysRevB.96.161110.
Gilbert Corder, Stephanie N., Jiang, Jianjuan, Chen, Xinzhong, Kittiwatanakul, Salinporn, Tung, I-Cheng, Zhu, Yi, Zhang, Jiawei, Bechtel, Hans A., Martin, Michael C., Carr, G. Lawrence, Lu, Jiwei, Wolf, Stuart A., Wen, Haidan, Tao, Tiger H., & Liu, Mengkun. Controlling phase separation in vanadium dioxide thin films via substrate engineering. United States. doi:10.1103/PhysRevB.96.161110.
Gilbert Corder, Stephanie N., Jiang, Jianjuan, Chen, Xinzhong, Kittiwatanakul, Salinporn, Tung, I-Cheng, Zhu, Yi, Zhang, Jiawei, Bechtel, Hans A., Martin, Michael C., Carr, G. Lawrence, Lu, Jiwei, Wolf, Stuart A., Wen, Haidan, Tao, Tiger H., and Liu, Mengkun. 2017. "Controlling phase separation in vanadium dioxide thin films via substrate engineering". United States. doi:10.1103/PhysRevB.96.161110. https://www.osti.gov/servlets/purl/1423692.
@article{osti_1423692,
title = {Controlling phase separation in vanadium dioxide thin films via substrate engineering},
author = {Gilbert Corder, Stephanie N. and Jiang, Jianjuan and Chen, Xinzhong and Kittiwatanakul, Salinporn and Tung, I-Cheng and Zhu, Yi and Zhang, Jiawei and Bechtel, Hans A. and Martin, Michael C. and Carr, G. Lawrence and Lu, Jiwei and Wolf, Stuart A. and Wen, Haidan and Tao, Tiger H. and Liu, Mengkun},
abstractNote = {The strong electron-lattice interactions in correlated electron systems provide unique opportunities for altering the material properties with relative ease and flexibility. Here in this Rapid Communication, we use localized strain control via a focused-ion-beam patterning of TiO2 substrates to demonstrate that one can selectively engineer the insulator-to-metal transition temperature, the fractional component of the insulating and metallic phases, and the degree of optical anisotropy down to the length scales of the intrinsic phase separation in VO2 thin films without altering the quality of the films. The effects of localized strain control on the strongly correlated electron system are directly visualized by state-of-the-art IR near-field imaging and spectroscopy techniques and x-ray microdiffraction measurements.},
doi = {10.1103/PhysRevB.96.161110},
journal = {Physical Review B},
number = 16,
volume = 96,
place = {United States},
year = {2017},
month = {10}
}