Abstract

Absorption spectra of 0.2% Gd:LaF<sub>3</sub> have been measured for the transitions to <sup>6</sup><i>P</i><sub>7/2</sub>, <sup>6</sup><i>P</i><sub>5/2</sub>, and all <sup>6</sup><i>I</i> groups. A crystal-field analysis based on presumed hexagonal site symmetry gives <i>B</i><sub>2</sub><sup>0</sup>= 106 cm<sup>-1</sup>, <i>B</i><sub>4</sub><sup>0</sup>= 234 cm<sup>-1</sup>, <i>B</i><sub>6</sub><sup>0</sup>= 124 cm<sup>-1</sup>, and <i>B</i><sub>6</sub><sup>6</sup>= 850 cm<sup>-1</sup>, in the Stevens normalization.

© 1969 Optical Society of America

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  1. R. L. Schwiesow and H. M. Crosswhite, J. Opt. Soc. Am., 59, 592 (1969).
  2. R. W. G. Wyckoff, Crystal Structures, Volume 2 (Interscience Publ., John Wiley & Sons, Inc., New York, 1964), 2nd ed., pp. 60 ff. and 77 ff.; J. D. H. Donnay and G. Donnay, Crystal Data (American Crystallographic Association, 1963), 2nd ed.
  3. I. Oftedal, Z. Physik. Chem. (Frankfurt) 5B, 272 (1929); K. Schlyter, Arkiv Kemi 5, 73 (1952).
  4. R. P. Bauman and S. P. S. Porto, Phys. Rev. 101, 842 (1967).
  5. D. E. Onopko, Opt. Spektrosk. 24, 573 (1968) [Opt. Spectrosc. 24, 301 (1968)].

Bauman, R. P.

R. P. Bauman and S. P. S. Porto, Phys. Rev. 101, 842 (1967).

Crosswhite, H. M.

R. L. Schwiesow and H. M. Crosswhite, J. Opt. Soc. Am., 59, 592 (1969).

Oftedal, I.

I. Oftedal, Z. Physik. Chem. (Frankfurt) 5B, 272 (1929); K. Schlyter, Arkiv Kemi 5, 73 (1952).

Onopko, D. E.

D. E. Onopko, Opt. Spektrosk. 24, 573 (1968) [Opt. Spectrosc. 24, 301 (1968)].

Porto, S. P. S.

R. P. Bauman and S. P. S. Porto, Phys. Rev. 101, 842 (1967).

Schwiesow, R. L.

R. L. Schwiesow and H. M. Crosswhite, J. Opt. Soc. Am., 59, 592 (1969).

Wyckoff, R. W. G.

R. W. G. Wyckoff, Crystal Structures, Volume 2 (Interscience Publ., John Wiley & Sons, Inc., New York, 1964), 2nd ed., pp. 60 ff. and 77 ff.; J. D. H. Donnay and G. Donnay, Crystal Data (American Crystallographic Association, 1963), 2nd ed.

Other (5)

R. L. Schwiesow and H. M. Crosswhite, J. Opt. Soc. Am., 59, 592 (1969).

R. W. G. Wyckoff, Crystal Structures, Volume 2 (Interscience Publ., John Wiley & Sons, Inc., New York, 1964), 2nd ed., pp. 60 ff. and 77 ff.; J. D. H. Donnay and G. Donnay, Crystal Data (American Crystallographic Association, 1963), 2nd ed.

I. Oftedal, Z. Physik. Chem. (Frankfurt) 5B, 272 (1929); K. Schlyter, Arkiv Kemi 5, 73 (1952).

R. P. Bauman and S. P. S. Porto, Phys. Rev. 101, 842 (1967).

D. E. Onopko, Opt. Spektrosk. 24, 573 (1968) [Opt. Spectrosc. 24, 301 (1968)].

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