Low frequency motions in barium azide crystals

Zafar Iqbal; M. L. Malhotra

doi:10.1063/1.1675783

Low frequency motions in barium azide crystals

Zafar Iqbal, M. L. Malhotra

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3 Scopus citations

Abstract

A reinvestigation of the k∼0 infrared and Raman active lattice modes of BaN₆ crystals is reported. The symmetry species of the Raman active modes were determined unequivocally by oriented single crystal laser excited Raman spectroscopy. A new band at 40 cm^-1 was resolved and a number of symmetry reassignments were made. The results are in essential agreement with the space group P2₁/m-C_2h² for the crystal. The transmission far infrared spectra of polycrystalline BaN₆ and SrN₆ were measured between 20 to 300 cm^-1 and compared with the reflection spectrum of BaN₆ reported in the previous study.

Original language	English (US)
Pages (from-to)	528-530
Number of pages	3
Journal	The Journal of Chemical Physics
Volume	55
Issue number	2
DOIs	https://doi.org/10.1063/1.1675783
State	Published - 1971
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1063/1.1675783

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title = "Low frequency motions in barium azide crystals",

abstract = "A reinvestigation of the k∼0 infrared and Raman active lattice modes of BaN6 crystals is reported. The symmetry species of the Raman active modes were determined unequivocally by oriented single crystal laser excited Raman spectroscopy. A new band at 40 cm-1 was resolved and a number of symmetry reassignments were made. The results are in essential agreement with the space group P21/m-C2h2 for the crystal. The transmission far infrared spectra of polycrystalline BaN6 and SrN6 were measured between 20 to 300 cm-1 and compared with the reflection spectrum of BaN6 reported in the previous study.",

author = "Zafar Iqbal and Malhotra, {M. L.}",

year = "1971",

doi = "10.1063/1.1675783",

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journal = "The Journal of Chemical Physics",

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T1 - Low frequency motions in barium azide crystals

AU - Iqbal, Zafar

AU - Malhotra, M. L.

PY - 1971

Y1 - 1971

N2 - A reinvestigation of the k∼0 infrared and Raman active lattice modes of BaN6 crystals is reported. The symmetry species of the Raman active modes were determined unequivocally by oriented single crystal laser excited Raman spectroscopy. A new band at 40 cm-1 was resolved and a number of symmetry reassignments were made. The results are in essential agreement with the space group P21/m-C2h2 for the crystal. The transmission far infrared spectra of polycrystalline BaN6 and SrN6 were measured between 20 to 300 cm-1 and compared with the reflection spectrum of BaN6 reported in the previous study.

AB - A reinvestigation of the k∼0 infrared and Raman active lattice modes of BaN6 crystals is reported. The symmetry species of the Raman active modes were determined unequivocally by oriented single crystal laser excited Raman spectroscopy. A new band at 40 cm-1 was resolved and a number of symmetry reassignments were made. The results are in essential agreement with the space group P21/m-C2h2 for the crystal. The transmission far infrared spectra of polycrystalline BaN6 and SrN6 were measured between 20 to 300 cm-1 and compared with the reflection spectrum of BaN6 reported in the previous study.

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JF - The Journal of Chemical Physics

IS - 2

ER -

Low frequency motions in barium azide crystals

Abstract

All Science Journal Classification (ASJC) codes

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