Zero-Phonon Lines and Phonon Coupling of ZnSe: Mn and CdS: Mn

Dietrich W. Langer; Hans Jochen Richter

doi:10.1103/PhysRev.146.554

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Zero-Phonon Lines and Phonon Coupling of ZnSe: Mn and CdS: Mn

Dietrich W. Langer

Hans Jochen Richter^*

Aerospace Research Laboratories, Wright-Patterson Air Force Base, Ohio

University of Dayton, Dayton, Ohio

^*This work was performed at the Aerospace Research Laboratories.

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Phys. Rev. 146, 554 – Published 10 June, 1966

DOI: https://doi.org/10.1103/PhysRev.146.554

Abstract

Absorption and emission spectra of ZnSe: Mn and of CdS: Mn crystals were measured at 4.2°K. The structure on the absorption and emission bands was identified in terms of phonon emission coupled to one electronic transition in each band. Zero-phonon lines were found in ZnSe: Mn at 18 025, 19 598, and 21 110 ${cm}^{- 1}$ and in CdS: Mn at 18 620 ${cm}^{- 1}$ . They should correspond to the Mn transitions in a cubic crystalline field ${}^{6}A_{1} \to {}^{4}T_{1}$ , ${}^{6}A_{1} \to {}^{4}T_{2}$ , and ${}^{6}A_{1} \to {}^{4}A_{1}, {}^{4}E$ in ZnSe. The ionic parameters $F_{2} = 55 454$ and $F_{4} = 34 520$ ${cm}^{- 1}$ and the value of the crystalline field, $D q = 405$ ${cm}^{- 1}$ , are deduced for Mn in ZnSe. Principal phonons participating have values of about 70, 94, 160, 209, and 242 ${cm}^{- 1}$ , which is in agreement with the phonon energies of the ZnSe host lattice.

References (9)

D. C. McClure, J. Chem. Phys. 39, 2850 (1963)
D. Langer and S. Ibuki, Phys. Rev. 138, A809 (1965)
D. C. Reynolds, L. S. Pedrotti, and O. W. Larson, J. Appl. Phys. 32, 2250 (1961)
M. Aven, D. T. F. Marple, and B. Segall, J. Appl. Phys. 32, 2261 (1961)
E. Carnall, S. S. Mitra, and R. Marshall, Bull. Am. Phys. Soc. 10, 1086 (1965)
M. Balkanski, J. M. Besson, and R. LeToullec, in Proceedings of the VIIth International Conference on Physics of Semiconductors, Paris, 1964 (Dunod Cie., Paris, 1964), p. 1091
L. S. Pedrotti and D. C. Reynolds, Phys. Rev. 120, 1664 (1960)
D. G. Thomas, J. J. Hopfield, and K. Colbow, in Proceedings of the International Symposium on Radiative Recombination in Semiconductors (Dunod Cie., Paris, 1965), p. 67
R. N. Euwema, J. Chem. Phys. 42, 892 (1965) private communication

[c1] D. C. McClure, J. Chem. Phys. 39, 2850 (1963)

[c2] D. Langer and S. Ibuki, Phys. Rev. 138, A809 (1965)

[c3] D. C. Reynolds, L. S. Pedrotti, and O. W. Larson, J. Appl. Phys. 32, 2250 (1961)

[c4] M. Aven, D. T. F. Marple, and B. Segall, J. Appl. Phys. 32, 2261 (1961)

[c5] E. Carnall, S. S. Mitra, and R. Marshall, Bull. Am. Phys. Soc. 10, 1086 (1965)

[c6] M. Balkanski, J. M. Besson, and R. LeToullec, in Proceedings of the VIIth International Conference on Physics of Semiconductors, Paris, 1964 (Dunod Cie., Paris, 1964), p. 1091

[c7] L. S. Pedrotti and D. C. Reynolds, Phys. Rev. 120, 1664 (1960)

[c8] D. G. Thomas, J. J. Hopfield, and K. Colbow, in Proceedings of the International Symposium on Radiative Recombination in Semiconductors (Dunod Cie., Paris, 1965), p. 67

[c9] R. N. Euwema, J. Chem. Phys. 42, 892 (1965) private communication

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Zero-Phonon Lines and Phonon Coupling of ZnSe: Mn and CdS: Mn

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References (9)

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