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Second‐harmonic generation (SHG) in metal–phosphorus sulphide–halides having icosahedral structures
Author(s) -
Bubenzer A.,
Nitsche R.
Publication year - 1978
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889878012947
Subject(s) - monoclinic crystal system , icosahedral symmetry , bar (unit) , halide , crystallography , metal , second harmonic generation , materials science , laser , chemistry , optics , inorganic chemistry , crystal structure , metallurgy , physics , meteorology
Upon irradiation with a Nd‐glass laser SHG has been found in a series of structurally closely related compounds of cubic ( F 3 m ) or monoclinic ( Cc ) symmetry with the following cell contents: Cd 16 Si 4 S 24 ( Cc ), Cd 16 Ge 4 S 24 ( Cc ), Cd 14 P 4 S 24 ( Cc ), Cd 13 P 4 S 22 I 2 ( Cc ), Cd 13 P 4 S 22 I 2 ( F 3 m ) and Cu 24 P 4 S 20 Br 4 ( F 3 m ). The highest effect – comparable with that of LiNbO 3 – was noted in Cd 13 P 4 S 22 I 2 ( Cc ). All measurements were performed on powders.