Transmission increase upon switching VO2 thin films on microstructured surfaces

Karakurt, Ismail; Boneberg, Johannes; Leiderer, Paul; Lopez, Rene; Halabica, Andrej; Haglund, Richard

Transmission increase upon switching VO2 thin films on microstructured surfaces

Files

Transmission_increase_upon_switching.pdf(290.45 KB)

Date

2007

Authors

Karakurt, Ismail

Boneberg, Johannes

Leiderer, Paul

Lopez, Rene

Halabica, Andrej

Haglund, Richard

Publication type

Journal article

Published in

Applied Physics Letters ; 91 (2007). - 091907

Abstract

The authors compare transmission measurements of near-infrared light through VO2 thin films on smooth substrates and on ordered arrays of silica microspheres. When the samples are heated above the critical temperature for the semiconductor-metallic phase transition, smooth thin films show reduced transmission independent of thickness: however, the VO2 film deposited on the microspheres may show either reduced or enhanced transmission, depending on VO2 film thickness. They show that this at a first glance, unexpected behavior is directly related to the change of scattering efficiency upon the phase transition. This suggests that optical transmission through thin-film microstructures could be tuned by an appropriate combination of microsphere ordering and VO2 film thickness.

Subject (DDC)

530 Physics

Keywords

transmission,switching,microstructure

Cite This

ISO 690

KARAKURT, Ismail, Johannes BONEBERG, Paul LEIDERER, Rene LOPEZ, Andrej HALABICA, Richard HAGLUND, 2007. Transmission increase upon switching VO2 thin films on microstructured surfaces. In: Applied Physics Letters. 91, 091907. Available under: doi: 10.1063/1.2776368

BibTex

@article{Karakurt2007Trans-5298,
  year={2007},
  doi={10.1063/1.2776368},
  title={Transmission increase upon switching VO2 thin films on microstructured surfaces},
  volume={91},
  journal={Applied Physics Letters},
  author={Karakurt, Ismail and Boneberg, Johannes and Leiderer, Paul and Lopez, Rene and Halabica, Andrej and Haglund, Richard},
  note={Article Number: 091907}
}

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