Abstract

Reflectance of thermally oxidized, mechanically polished titanium surfaces was measured with a spectrometer at 5889–5895 A. The principal aim of the experiments was to furnish an optical means of measuring the thickness of thermal oxide layers on titanium. These measurements also provided a method for determining the optical constants of the metal and the thermal oxide. The system was found to be an absorbing base with an absorbing film. The optical constant of titanium was found to be n⌃<sub>3</sub> = 2.41–3.24<i>i</i> and the optical constant of the thermal oxide film was n⌃<sub>2</sub> = 2.40–0.17<i>i</i>. From these constants, the oxide growth curve at 482°C was determined. The curve is of the same type found by other workers, and indicates that the growth rate can be expressed as a combination of a simple parabolic law and a linear law.

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  1. R. J. Archer, Phys. Rev. 110, 354 (1958).
  2. Reference 1, p. 354.
  3. Reference 1, p. 355.
  4. G. Hass and A. P. Bradford, J. Opt. Soc. Am. 47, 125 (1957).
  5. O. S. Heavens. Optical Properties of Thin Solid Films (Butter-worths Scientific Publications, Ltd., London, 1955), Chap. 3.
  6. A. B. Winterbottom, Trans. Faraday Soc. 42, 487 (1946).
  7. A. B. Winterbottom, J. Opt. Soc. Am. 38, 1074 (1948).
  8. A. B. Winterbottom, J. Iron Steel Inst. (London) 165, 9 (1950).
  9. Reference 8, p. 10.
  10. G. Hall, Vacuum 2, 331 (1952).
  11. A. B. Winterbottom, reference 6, p. 490.
  12. Reference 5, Chap. 5.
  13. T. C. Fry, J. Opt. Soc. Am. 16, 1 (1928).
  14. A. B. Winterbottom, reference 6, p. 488.
  15. E. A. Gulbransen and K. F. Andrew, Metals Transactions 185, 741 (1949).
  16. A. E. Jenkins, J. Inst. Metals 82, 220 (1954).
  17. W. A. Alexander and L. M. Pidgeon, Can. J. Research 28, 60 (1950).
  18. G. Hass, reference 4, p. 335.

1958

R. J. Archer, Phys. Rev. 110, 354 (1958).

1957

G. Hass and A. P. Bradford, J. Opt. Soc. Am. 47, 125 (1957).

1954

A. E. Jenkins, J. Inst. Metals 82, 220 (1954).

1952

G. Hall, Vacuum 2, 331 (1952).

1950

W. A. Alexander and L. M. Pidgeon, Can. J. Research 28, 60 (1950).

A. B. Winterbottom, J. Iron Steel Inst. (London) 165, 9 (1950).

1949

E. A. Gulbransen and K. F. Andrew, Metals Transactions 185, 741 (1949).

1948

A. B. Winterbottom, J. Opt. Soc. Am. 38, 1074 (1948).

1946

A. B. Winterbottom, Trans. Faraday Soc. 42, 487 (1946).

1928

T. C. Fry, J. Opt. Soc. Am. 16, 1 (1928).

Alexander, W. A.

W. A. Alexander and L. M. Pidgeon, Can. J. Research 28, 60 (1950).

Andrew, K. F.

E. A. Gulbransen and K. F. Andrew, Metals Transactions 185, 741 (1949).

Archer, R. J.

R. J. Archer, Phys. Rev. 110, 354 (1958).

Bradford, A. P.

G. Hass and A. P. Bradford, J. Opt. Soc. Am. 47, 125 (1957).

Fry, T. C.

T. C. Fry, J. Opt. Soc. Am. 16, 1 (1928).

Gulbransen, E. A.

E. A. Gulbransen and K. F. Andrew, Metals Transactions 185, 741 (1949).

Hall, G.

G. Hall, Vacuum 2, 331 (1952).

Hass, G.

G. Hass and A. P. Bradford, J. Opt. Soc. Am. 47, 125 (1957).

G. Hass, reference 4, p. 335.

Heavens, O. S.

O. S. Heavens. Optical Properties of Thin Solid Films (Butter-worths Scientific Publications, Ltd., London, 1955), Chap. 3.

Jenkins, A. E.

A. E. Jenkins, J. Inst. Metals 82, 220 (1954).

Pidgeon, L. M.

W. A. Alexander and L. M. Pidgeon, Can. J. Research 28, 60 (1950).

Winterbottom, A. B.

A. B. Winterbottom, J. Iron Steel Inst. (London) 165, 9 (1950).

A. B. Winterbottom, J. Opt. Soc. Am. 38, 1074 (1948).

A. B. Winterbottom, Trans. Faraday Soc. 42, 487 (1946).

A. B. Winterbottom, reference 6, p. 488.

A. B. Winterbottom, reference 6, p. 490.

Other

R. J. Archer, Phys. Rev. 110, 354 (1958).

Reference 1, p. 354.

Reference 1, p. 355.

G. Hass and A. P. Bradford, J. Opt. Soc. Am. 47, 125 (1957).

O. S. Heavens. Optical Properties of Thin Solid Films (Butter-worths Scientific Publications, Ltd., London, 1955), Chap. 3.

A. B. Winterbottom, Trans. Faraday Soc. 42, 487 (1946).

A. B. Winterbottom, J. Opt. Soc. Am. 38, 1074 (1948).

A. B. Winterbottom, J. Iron Steel Inst. (London) 165, 9 (1950).

Reference 8, p. 10.

G. Hall, Vacuum 2, 331 (1952).

A. B. Winterbottom, reference 6, p. 490.

Reference 5, Chap. 5.

T. C. Fry, J. Opt. Soc. Am. 16, 1 (1928).

A. B. Winterbottom, reference 6, p. 488.

E. A. Gulbransen and K. F. Andrew, Metals Transactions 185, 741 (1949).

A. E. Jenkins, J. Inst. Metals 82, 220 (1954).

W. A. Alexander and L. M. Pidgeon, Can. J. Research 28, 60 (1950).

G. Hass, reference 4, p. 335.

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