Raman spectroscopy of low‐temperature phases of RbAg 4 I 5 | Zendy

Shawabkeh A. | Zendy; Scott J. F. | Zendy

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Raman spectroscopy of low‐temperature phases of RbAg 4 I 5

Author(s) -

Shawabkeh A.,

Scott J. F.

Publication year - 1989

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.1250200414

Subject(s) - raman spectroscopy , infrared , analytical chemistry (journal) , phase (matter) , chemistry , infrared spectroscopy , line (geometry) , materials science , optics , physics , mathematics , geometry , organic chemistry , chromatography

Raman spectra were obtained of single crystals of RbAg 4 I 5 in an effort to confirm independently the far‐infrared results of Volkov and co‐workers that structural phase transitions occur at 44 and 30 K. The present results, that a strong ‘extra’ line occurs below 44 K at 12 cm −1 , is in agreement with their measured value, confirming that the phase just below 44 K is non‐centrosymmetric, in agreement with their proposed C 3 point group.

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