Structural, optical and non-linear optics properties of highly doped molybdenum indium oxide thin film

A. M. Al-Saie, F. Z. Henari, T. Souier, M. Bououdina

Research output: Contribution to journalArticle

Abstract

Molybdenum (Mo)-doped In2O3 thin film with 10 wt% was successfully prepared by evaporation method. After annealing at 600 C the film changes it colour from very dark to a clear transparent film. SEM and AFM analysis reveal that the film is continuous with high metallic coverage >98 % and exhibits a granular structure with typical grain size of 50 nm. More interestingly, the film shows more than 90 % transparency from visible to near infrared region and with wide optical band gap of 4.26 eV. The widening of the band gap is due to the Burstein-Möss (BM) effect as Mo will occupy In sites within the structure of the film thus increasing the carrier concentration thus enhancing its electrical properties. The nonlinear optical properties of Mo-doped In2O3 film with glass substrate were investigated using z-scan technique. Under cw excitation the film exhibits large reverse saturation absorption and negative nonlinearities. The real and imaginary parts of third order susceptibility of the film were measured and found that the imaginary part which arises from the change in absorption is dominant.

Original languageEnglish
Pages (from-to)3081-3088
Number of pages8
JournalJournal of Materials Science: Materials in Electronics
Volume24
Issue number8
DOIs
Publication statusPublished - Aug 2013

Fingerprint

molybdenum oxides
Nonlinear optics
Molybdenum
nonlinear optics
indium oxides
Indium
Oxide films
Thin films
thin films
molybdenum
indium oxide
Optical band gaps
Transparency
Carrier concentration
Evaporation
Electric properties
Energy gap
Optical properties
grain size
nonlinearity

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Structural, optical and non-linear optics properties of highly doped molybdenum indium oxide thin film. / Al-Saie, A. M.; Henari, F. Z.; Souier, T.; Bououdina, M.

In: Journal of Materials Science: Materials in Electronics, Vol. 24, No. 8, 08.2013, p. 3081-3088.

Research output: Contribution to journalArticle

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