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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 35, Iss. 25 — Sep. 1, 1996
  • pp: 5073–5079

Microstructural, optical, and mechanical properties of reactive electron-beam-coevaporated TiO2–MgF2 composite films

Rung-Ywan Tsai and Mu-Yi Hua  »View Author Affiliations


Applied Optics, Vol. 35, Issue 25, pp. 5073-5079 (1996)
http://dx.doi.org/10.1364/AO.35.005073


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Abstract

The composition-dependent structural, microstructural, optical, and mechanical properties of TiO2–MgF2 composite films prepared by reactive electron-beam coevaporation at a substrate temperature of 280 °C are systematically investigated with an x-ray diffractometer, transmission electron microscope, spectrophotometer and varied angle of incidence spectroscopic ellipsometry, and microhardness tester, respectively. A comparison of the films prepared by reactive ion-assisted coevaporation shows that the films prepared by reactive electron-beam coevaporation have lower refractive indices and hardnesses. However, TiO2–MgF2 composite films prepared by both techniques exhibit similar softening and hardening phenomena and similar microstructures.

© 1996 Optical Society of America

History
Original Manuscript: November 20, 1995
Revised Manuscript: February 13, 1996
Published: September 1, 1996

Citation
Rung-Ywan Tsai and Mu-Yi Hua, "Microstructural, optical, and mechanical properties of reactive electron-beam-coevaporated TiO2–MgF2 composite films," Appl. Opt. 35, 5073-5079 (1996)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-35-25-5073


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