Reflectivity Spectra and Band Structure of the Zinc and Cadmium Diphosphides | Zendy

Sobolev V. V. | Zendy; Kozlov A. I. | Zendy; Polygalov Yu. I. | Zendy; Tupitsyn V. E. | Zendy; Poplavnoi A. S. | Zendy

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Reflectivity Spectra and Band Structure of the Zinc and Cadmium Diphosphides

Author(s) -

Sobolev V. V.,

Kozlov A. I.,

Polygalov Yu. I.,

Tupitsyn V. E.,

Poplavnoi A. S.

Publication year - 1989

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221540139

Subject(s) - tetragonal crystal system , reflectivity , monoclinic crystal system , spectral line , pseudopotential , zinc , electronic band structure , crystallography , chemistry , exciton , materials science , optics , crystal structure , condensed matter physics , physics , organic chemistry , astronomy

Precision reflectivity spectra of the tetragonal ZnP 2 , CdP 2 for E ∥ c , E ⟂ c and monoclinic ZnP 2 for E ∥ a , E ∥ b , E ∥ c are investigated at 80 and 293 K. New reflectivity structures are observed including the exciton peaks in the monoclinnic ZnP 2 . The thermoreflectivity spectra of CdP 2 are obtained at 193 K. The band structure of the tetragonal ZnP 2 and CdP 2 and CdP 2 is calculated using the pseudopotential method at the symmetrical points T, Z, A, M, R. A comparison of the reflectivity data with the results of the ZnP 2 band structure is made.

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