Journal Article10.4028/WWW.SCIENTIFIC.NET/KEM.886.108
The Effect of Temperature Width on Dielectric Constant of Vanadium Dioxide
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About: This article is published in Key Engineering Materials. The article was published on 01 May 2021. The article focuses on the topics: Dielectric.
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Citations
A highly tunable biosensor in graphene-vanadium dioxide hyperbolic metamaterial based on surface plasmon resonance
Jian Zhang,Xiang-yang Zhou,Yiping Ding,Chenfei Yang,Qi Xian Yue,Dongmei Deng,Shigen Ouyang,Xiangbo Yang +7 more
- 31 Jan 2024
TL;DR: Highly tunable biosensor based on graphene-vanadium dioxide hyperbolic metamaterial using surface plasmon resonance. Dispersion type and GH shift can be controlled via Fermi energy, temperature, and thickness variations. SPR-enhanced sensitivity to refractive index changes enables cell discrimination.
2
Dual-band Absorption using a Phase Transition Metal
05 Jun 2022
TL;DR: In this paper , a thin film of vanadium dioxide is employed over a quartz substrate which exhibits plasmonic resonance and it exhibits more than 98% absorption at 2.95 THz and 4.6 THz in the metallic state.
1
The Crystallite Size Dependence of the Transmittance Property of Vanadium Dioxide Nano Films
18 Jan 2022
TL;DR: In this paper , the transmittance of vanadium oxide was studied from 5 nm-1000 nm for each of the regions of the electromagnetic spectrum, the ultraviolet and visible region, and the near and medium sub-regions of the infrared.
PVDF-based (V2O5)x. (Mn0.4Fe2.6O4)(2−x), x = [0.2, 0.4, 0.6, 0.8, and 1] nanocomposites for tailoring the optical and nonlinear optical properties of PVDF
TL;DR: In this paper , the optical and nonlinear optical properties of the polyvinylidene fluoride (PVDF) polymer were tuned using (V 2 O 5 ) x . (Mn 0.4 Fe 2.6 O 4 ) 1.4 , sample was the best for obtaining the lowest transmittance percentage and bandgap energy.
Thermochromic and Opacity Behaviors in Vanadium Dioxide Nanofilms: a Theoretical Study
Ikhlas H. Shallal,Nidhal M. Abdul-Ameer,Shaymaa Q. Abdul-Hasan,Moafak C. Abdulrida +3 more
TL;DR: This theoretical study investigates thermochromic and opacity behaviors in vanadium dioxide nanofilms with varying thicknesses (1-100 nm), using effective mediator theories, and finds distinct opacity behaviors at different wavelength ranges and phase transitions.
References
Metal-insulator phase transition in a VO2 thin film observed with terahertz spectroscopy
Peter Uhd Jepsen,Bernd M. Fischer,Andreas Thoman,Hanspeter Helm,Jae Yong Suh,Rene Lopez,Richard F. Haglund +6 more
TL;DR: In this paper, the authors investigate the dielectric properties of a thin VO2 film in the terahertz frequency range in the vicinity of the semiconductor-metal phase transition and show that even at temperatures significantly above the transition temperature the formation of a uniform metallic phase is not complete.
Compact silicon photonic waveguide modulator based on the vanadium dioxide metal-insulator phase transition
TL;DR: The integrated lithographically patterned VO2 thin films grown by pulsed laser deposition with silicon-on-insulator photonic waveguides are integrated to demonstrate a compact in-line absorption modulator for use in photonic circuits.
Active Optical Metasurfaces Based on Defect-Engineered Phase-Transition Materials.
Jura Rensberg,Shuyan Zhang,You Zhou,Alexander McLeod,C. Schwarz,Michael Goldflam,Mengkun Liu,Mengkun Liu,Jochen Kerbusch,Ronny Nawrodt,Shriram Ramanathan,Shriram Ramanathan,Dimitri Basov,Federico Capasso,Carsten Ronning,Mikhail A. Kats +15 more
TL;DR: It is demonstrated that spatially selective defect engineering on the nanometer scale can transform phase-transition materials into optical metasurfaces and represents a new paradigm for active photonic structures and devices.
Thermally tunable optical constants of vanadium dioxide thin films measured by spectroscopic ellipsometry
TL;DR: In this paper, the authors demonstrated the thermal controllable reversible tunability of optical constants of VO 2 thin films and showed an abrupt thermal hysteresis which confirms clearly the electronic structural changes.
201
On the Optical Properties of Thin‐Film Vanadium Dioxide from the Visible to the Far Infrared
Chenghao Wan,Zhen Zhang,David Woolf,Colin M. Hessel,Jura Rensberg,Joel M. Hensley,Yuzhe Xiao,Alireza Shahsafi,Jad Salman,Steffen Richter,Yifei Sun,M. Mumtaz Qazilbash,Rüdiger Schmidt-Grund,Rüdiger Schmidt-Grund,Carsten Ronning,Shriram Ramanathan,Mikhail A. Kats +16 more
TL;DR: In this article, the complex refractive index of VO2 thin films across the IMT for free-space wavelengths from 300 nm to 30 µm was characterized using broadband spectroscopic ellipsometry, reflection spectroscopy, and the application of effective medium theory.
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