Room Temperature Phase Transition of W‐Doped VO2 by Atomic …
Here, a W:VO 2 process based on atomic layer deposition (ALD) is presented that enables precise control of W-doping at the few percent level, resulting in a viable controllable process with sufficient W incorporation into VO 2 to reduce the phase transition to room temperature. It is demonstrated that the incorporation of 1.63 at.%
Fabrication of Epitaxial W-Doped VO2 Nanostructured Films for …
We report a feasible and high-throughput method for high-quality W-doped VO 2 nanostructured epitaxial films on r-sapphire substrate fabrication. Single-phase, smooth vanadium dioxide thin films with uniform distribution of tungsten (up to 2.3%) are formed using the solvothermal process from ethylene glycol/water V 4+ and W 6+ solutions.
Synthesis and thermochromic property studies on W doped VO2 …
Jul 21, 2017 · Detailed study suggested that W doped in VO 2 introduces additional electron carriers and induces the formation of V 3+. Post annealing under vacuum promotes the releasing of chemical stress...
Thermochromic properties of W-doped VO2 thin films deposited …
Jul 1, 2016 · Highlights. W doped VO 2 thin films were deposited by aqueous sol-gel method followed by post annealing. Effects of W doping on infrared emissivity of VO 2 thin films were analyzed. W-doped VO 2 thin films can control thermal radiation intensity actively.
W Doping and Voltage Driven Metal–Insulator Transition in VO2 …
The experiments on electric-field-driven MIT of VO 2 nanofilms indicate that the conductivity of W-doped R-VO 2 increases with increasing applied voltage; however, for the pure R-VO 2, the conductivity is independent of applied voltages.
A comparative study uncovering the different effect of Nb, Mo and W …
Sep 1, 2023 · Hence, W-doped VO 2 (M 1) provides better IR transmittance among studied dopants. The absorption coefficient and reflectivity in the IR region were found significantly increased in doped VO 2 (R) which further reduced the …
Magnetic-field-induced insulator–metal transition in W-doped VO2 …
Jul 17, 2020 · Here, we show that an ultrahigh magnetic field of 500 T renders the insulator phase of tungsten (W)-doped VO 2 metallic. The spin Zeeman effect on the d electrons of the V ions dissociates the...
Towards Room Temperature Phase Transition of W-Doped VO2 …
Jan 3, 2023 · The effect of W doping on the thermochromic, surface, and nanostructure properties of VO2 thin film was investigated in the present proof. W-doped VO2 thin films with different W contents were deposited by pulsed laser deposition (PLD) using V/W …
Facile synthesis, formation mechanism and thermochromic properties of W ...
In this work, pure and tungsten (W)-doped VO 2 (M) nanoparticles (20–50 nm) were prepared by a simple hydrothermal recrystallization method using an amorphous precursor obtained from coprecipitation in a mixed VOSO 4 and NaOH solution (pH = 9).
Porous W-doped VO2 films with simultaneously enhanced visible ...
Aug 18, 2015 · Porous thermochromic pure and tungsten (W)-doped vanadium dioxide (VO2) films have been prepared on silica substrates by spin coating via a sol–gel process and annealing in ammonia (NH3) atmosphere.
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