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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 4 — Feb. 1, 2014
  • pp: A48–A51

Absorption, structural, and electrical properties of Ge films prepared by ion-beam-assisted deposition

Jian Leng, Li Zhao, Yiqin Ji, Huasong Liu, and Kewen Zhuang  »View Author Affiliations


Applied Optics, Vol. 53, Issue 4, pp. A48-A51 (2014)
http://dx.doi.org/10.1364/AO.53.000A48


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Abstract

Effects of ion energy on the optical, microstructure, and electrical properties of Ge films prepared by ion-beam-assisted deposition were investigated. The absorption edge is found to shift toward a longer wavelength when the ion energy increases. 150 eV ion bombardment energy could help to reduce absorption in the infrared spectrum, elevating 2% of film transmittance. Diffraction intensity decreases with bombardment ion energy indicates that the crystallinity of Ge film is degenerated. Electrical property has been analyzed through Hall measurement. The resistivity of sample prepared with 300 eV ion energy drops substantially from 477 to 137 Ω cm, and it changes slowly with further increase of ion bombardment energy.

© 2013 Optical Society of America

OCIS Codes
(310.1860) Thin films : Deposition and fabrication
(310.6860) Thin films : Thin films, optical properties
(310.6870) Thin films : Thin films, other properties
(240.2130) Optics at surfaces : Ellipsometry and polarimetry

History
Original Manuscript: August 27, 2013
Manuscript Accepted: September 14, 2013
Published: November 12, 2013

Citation
Jian Leng, Li Zhao, Yiqin Ji, Huasong Liu, and Kewen Zhuang, "Absorption, structural, and electrical properties of Ge films prepared by ion-beam-assisted deposition," Appl. Opt. 53, A48-A51 (2014)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-53-4-A48

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