Piezobirefringence in the vacuum ultraviolet: Alkali halides and alkaline‐earth fluorides | Zendy

Sánchez C. | Zendy; Cardona M. | Zendy

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Piezobirefringence in the vacuum ultraviolet: Alkali halides and alkaline‐earth fluorides

Author(s) -

Sánchez C.,

Cardona M.

Publication year - 1972

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.2220500134

Subject(s) - halide , alkaline earth metal , alkali metal , chemistry , inorganic chemistry , absorption edge , ultraviolet , vacuum ultraviolet , enhanced data rates for gsm evolution , mineralogy , analytical chemistry (journal) , materials science , atomic physics , band gap , physics , environmental chemistry , optoelectronics , organic chemistry , telecommunications , computer science

The spectral dependence of the piezobirefringence coefficients of NaCl, KCl, LiF, CaF 2 , SrF 2 , and BaF 2 , at room temperature is measured. From these results values for the shear deformation potentials of the energy bands are obtained. The LiF data suggest that the lowest interband edge occurs along [lll], a situation unique among the alkali halides. The data for the alkaline‐earth fluorides indicate a rather complicated structure for the lowest absorption edge.

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