Correlation of metal-to-insulator transition and strain state of VO2 thin films on TiO2 (110) substrates

Article Materials Science, Multidisciplinary

Nb-doped VO2 thin films with enhanced thermal sensing performance for uncooled infrared detection

Hao Li et al.

Summary: Nb-doped VO2 films were synthesized to enhance thermal sensing abilities, with the thermal hysteresis and resistivity decreasing while the transition temperature range widened as doping content increased. The strategy of Nb doping in VO2 showed promising results for thermal-sensing applications.

MATERIALS RESEARCH BULLETIN (2022)

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Article Engineering, Electrical & Electronic

Embedding Quaternary V1-x-ySrxWyO2 into Multilayer Systems to Enhance Its Thermochromic Properties for Smart Glass Applications

Florian Kuhl et al.

Summary: Smart window glazing technology has great potential in reducing energy demand in buildings. Thin films based on VO2 are suitable for smart window applications, but optimization is still ongoing. Codoping VO2 with Sr and W brings the parameters close to the desired range, but full satisfaction of smart window requirements is not achieved. Embedding V1-x-ySrxWyO2 between optimized TiO2 layers adds degrees of freedom to meet all optical parameters and improves T-lum by approximately 10%.

ACS APPLIED ELECTRONIC MATERIALS (2022)

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Article Physics, Applied

Enhancing visible-light transmittance while reducing phase transition temperature of VO2 by Hf-W co-doping

Xinru Wang et al.

Summary: By co-doping Hf and W in VO2, we have successfully modified the material to enhance luminous transmittance and near-infrared modulation capacity, while reducing the phase transition temperature. This strategy provides a promising approach for practical smart-coating applications.

APPLIED PHYSICS LETTERS (2021)

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Article Chemistry, Multidisciplinary

The formation of TiO2/VO2 multilayer structure via directional cationic diffusion

Yonghui Zheng et al.

Summary: The study demonstrates that the alternative VO2/TiO2 nanostructure can self-assemble on a VO2 film/TiO2 substrate through directional cationic migration, forming Ti-rich nano-lamellas that affect the local electronic structure and lower the phase transition temperature.

NANOSCALE (2021)

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Article Physics, Applied