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Phys. Rev. B 5, 3058–3064 (1972)

Reflectivities and Electronic Band Structures of CdTe and HgTe

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D. J. Chadi, John P. Walter*, and Marvin L. Cohen
Department of Physics, University of California, Berkeley, California 94720
Inorganic Materials Research Division, Lawrence Berkeley Laboratory, Berkeley, California 94720

Y. Petroff and M. Balkanski
Laboratoire de Physique des Solides, associé au Centre National de la Recherche Scientifique, Université de Paris VI, France

Received 22 November 1971; published in the issue dated 15 April 1972

We have measured and calculated the reflectivity spectra of CdTe and HgTe. The measured and calculated reflectivities are compared and prominent features of the reflectivity spectra are identified with critical-point transitions in specific regions of the Brillouin zone. The symmetry and contribution to the reflectivity of important critical points are investigated. Empirical pseudopotential calculations of the band structure and the imaginary part of the frequency-dependent dielectric function, with spin-orbit effects included, are also presented.

© 1972 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.5.3058
DOI:
10.1103/PhysRevB.5.3058
PACS:

*Present address: Department of Physics, Brandeis University, Waltham, Mass. 02154.

 
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