1988
DOI: 10.1088/0022-3719/21/26/014
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A study of far-infrared reflectivity and Raman spectra of the phases of (NH4)3H(SO4)2crystals

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Cited by 8 publications
(2 citation statements)
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“…The Raman band at 1045 cm\ exhibits very high intensity in this crystal. In (NH ) H(SO ) (17,18), the mode of SO\ is observed around 1080 cm\. Therefore, it may appear that there is an ambiguity whether this mode belongs to or .…”
Section: So ! Vibrationsmentioning
confidence: 99%
“…The Raman band at 1045 cm\ exhibits very high intensity in this crystal. In (NH ) H(SO ) (17,18), the mode of SO\ is observed around 1080 cm\. Therefore, it may appear that there is an ambiguity whether this mode belongs to or .…”
Section: So ! Vibrationsmentioning
confidence: 99%
“…The band at 960 cm À1 is assigned to n 1 (A 1 ), the bands around 426 cm À1 and 443 cm À1 are characteristic of n 2 (E 2 ) [17]. These four vibrations are denoted as n 1 (A 1 ), n 2 (E 2 ), n 3 (F 2 ) and n 4 (F 2 ), respectively, and are all Raman active.…”
Section: Internal Vibrational Modesmentioning
confidence: 99%