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Temperature-agile and structure-tunable optical properties of VO2/Ag thin films |
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| Authors: | X R Zhang W Wang Y Zhao X Hu K Reinhardt R J Knize Yalin Lu |
| Institution: | 1. Advanced Applied Research Center, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Anhui, 230026, P.R. China 2. CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, 230026, P.R. China 3. Department of Materials Science and Engineering, The University of Texas at Austin, Austin, TX, 78712, USA 4. United States Air Force Office of Scientific Research, 875 North Randolph Street, Arlington, VA, 22203, USA 5. Laser Optics Research Center, Physics Department, United States Air Force Academy, Colorado Springs, CO, 80840, USA |
| Abstract: | By integrating together VO2??s unique near-room-temperature (RT) semiconductor?Cmetal (S?CM) phase transition with a thin silver (Ag) layer??s plasmonic properties, VO2/Ag multilayers could present a much enhanced optical transmission change when increasing the temperature from RT to over VO2??s S?CM phase-transition temperature. Changing VO2 and Ag layer thicknesses can also significantly tune their transmission and absorption properties, which could lead to a few useful designs in optoelectronic and energy-saving industries. |
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