Symmetry of the <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>H</mi></math></span> Center in KCl and KBr

W. Dale Compton; Clifford C. Klick

doi:10.1103/PhysRev.110.349

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Symmetry of the $H$ Center in KCl and KBr

W. Dale Compton and Clifford C. Klick

United States Naval Research Laboratory, Washington, D. C.

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Phys. Rev. 110, 349 – Published 15 April, 1958

DOI: https://doi.org/10.1103/PhysRev.110.349

Abstract

$H$ centers were produced in KCl and KBr by x-irradiation at temperatures near liquid helium. The symmetry of these centers was determined by observing the dichroism produced in the absorption band after bleaching with polarized $H$ -band light. It was found that the optical dipole moment of the $H$ center is parallel to $〈 110 〉$ . The polarized bleaching light tends to reorient the $H$ centers as well as to bleach them. The oscillator strength of the $H$ center was found to be greater than about 0.3 that of the $F$ center in KCl and greater than about 0.5 that of the $F$ center in KBr.

References (13)

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[c1] F. Seitz, Revs. Modern Phys. 26, 7 (1954)

[c2] W. H. Duerig and J. J. Markham, Phys. Rev. 88, 1043 (1952)

[c3] Markham, Platt, and Mador, Phys. Rev. 92, 597 (1953)

[c4] N. F. Mott and R. W. Gurney, Electronic Processes in Ionic Crystals (Oxford University Press, New York, 1940), p. 134 G. Glaser, Nachr. Akad. Wiss. Göttingen, Math.-physik. Kl. 3, 31 (1937)

[c5] K. Teegarden and R. Maurer, Z. Physik 138, 284 (1954)

[c6] F. Seitz, Phys. Rev. 89, 1299 (1953) Revs. Modern Phys. 26, 7 (1954)

[c7] J. H. O. Varley, J. Nuclear Energy 1, 130 (1954)

[c8] D. Saint-James, J. phys. radium 17, 907 (1956) 18, 260 (1956)

[c9] M. Ueta, J. Phys. Soc. Japan 7, 107 (1952)

[c10] G. A. Russell and C. C. Klick, Phys. Rev. 101, 1473 (1956)

[c11] Duerig and Markham ([2])

[c12] J. Lambe and E. J. West, Phys. Rev. 108, 634 (1957)

[c13] Yuster, Delbecq, and Smaller, Bull. Am. Phys. Soc. Ser. II, 2, 302 (1957)

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Symmetry of the $H$ Center in KCl and KBr

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Symmetry of the H Center in KCl and KBr

Abstract

References (13)

Symmetry of the $H$ Center in KCl and KBr