Infrared Absorption of Lattice Modes and the Silicon Local Mode in GexSi1−xAlloys

1971 ◽  
Vol 42 (13) ◽  
pp. 5241-5249 ◽  
Author(s):  
A. E. Cosand ◽  
W. G. Spitzer
Keyword(s):  
Infrared Absorption ◽  
Local Mode ◽  
Lattice Modes

scholarly journals Infrared Spectra of the Ices at ≈4 K and the Interpretation of the v OD(D2O) Bands of Ices II and IX

1978 ◽  
Vol 21 (85) ◽  
pp. 694
Author(s):  
F. E. Bates ◽  
S. M. Jacobs ◽  
J. E. Bertie
Keyword(s):  
Infrared Absorption ◽  
Far Infrared ◽  
Fermi Resonance ◽  
Chemical Physics ◽  
Vibrational States ◽  
Infrared Band ◽  
Stretching Vibrations ◽  
First Time ◽  
Lattice Modes ◽  
Complete Interpretation

Abstract We have studied the infrared absorption by the OD stretching, v OD(D2O), and D2O rotational, v R(D2O), vibrations of fully deuterated ice II and ice IX at lo K, and the absorption by OD stretching vibrations, v OD (HDO), of HDO molecules isolated in ices Ih, II, and IX at 10 K. Calculations of the frequencies and relative intensities of the zero-wave-vector normal v OD(D2O) vibrations of ices II and IX have allowed the v OD(D2O) absorption to be assigned. Each component of the band is broad, even at 10 K, most probably because of Fermi resonance between the fundamental OD stretching vibrational states and the isoenergetic continuum of high-order overtone and combination states of the lattice modes. This work has yielded the most complete interpretation yet achieved of an infrared band due to the OH or OD stretching vibrations of a phase of ice. The far-infrared absorption by the translational vibrations of H2O and D2O ices Ih and Ic at 4.3 K has been measured, and has revealed differences between the spectra of ices III and Ic for the first time. Papers describing this work in full have been published in Journal of Chemical Physics, Vol. 67, No. 4, 1977, p. 1311-18, and Vol. 67, No. 6, 1977, p. 2445-48.

Infrared Absorption Spectra of C Local Mode in Si1-x-yGexCy Crystals

2001 ◽  
Vol 40 (Part 2, No. 6B) ◽  
pp. L592-L595 ◽  
Author(s):  
Yoshihiko Kanzawa ◽  
Katsuya Nozawa ◽  
Tohru Saitoh ◽  
Minoru Kubo
Keyword(s):  
Absorption Spectra ◽  
Infrared Absorption ◽  
Local Mode ◽  
Infrared Absorption Spectra

scholarly journals Infrared Spectra of the Ices at ≈4 K and the Interpretation of the vOD(D2O) Bands of Ices II and IX

1978 ◽  
Vol 21 (85) ◽  
pp. 694-694
Author(s):  
F. E. Bates ◽  
S. M. Jacobs ◽  
J. E. Bertie
Keyword(s):  
Infrared Absorption ◽  
Far Infrared ◽  
Fermi Resonance ◽  
Chemical Physics ◽  
Vibrational States ◽  
Infrared Band ◽  
Stretching Vibrations ◽  
First Time ◽  
Lattice Modes ◽  
Complete Interpretation

AbstractWe have studied the infrared absorption by the OD stretching, vOD(D2O), and D2O rotational, vR(D2O), vibrations of fully deuterated ice II and ice IX at lo K, and the absorption by OD stretching vibrations, vOD (HDO), of HDO molecules isolated in ices Ih, II, and IX at 10 K. Calculations of the frequencies and relative intensities of the zero-wave-vector normal vOD(D2O) vibrations of ices II and IX have allowed the vOD(D2O) absorption to be assigned. Each component of the band is broad, even at 10 K, most probably because of Fermi resonance between the fundamental OD stretching vibrational states and the isoenergetic continuum of high-order overtone and combination states of the lattice modes. This work has yielded the most complete interpretation yet achieved of an infrared band due to the OH or OD stretching vibrations of a phase of ice.The far-infrared absorption by the translational vibrations of H2O and D2O ices Ih and Ic at 4.3 K has been measured, and has revealed differences between the spectra of ices III and Ic for the first time.Papers describing this work in full have been published in Journal of Chemical Physics, Vol. 67, No. 4, 1977, p. 1311-18, and Vol. 67, No. 6, 1977, p. 2445-48.

Infrared absorption due to H− ions in sodium and potassium halides. I. Anharmonic side bands of the local mode

1970 ◽  
Vol 48 (18) ◽  
pp. 2176-2187 ◽  
Author(s):  
R. W. MacPherson ◽  
T. Timusk
Keyword(s):  
Neutron Scattering ◽  
Shell Model ◽  
Infrared Absorption ◽  
Local Mode ◽  
Sodium Halides ◽  
Sodium And Potassium ◽  
Potassium Halides

New measurements and calculations of the side bands of the local-mode absorption of H− ions in the infrared are presented for the potassium and sodium halides. Some new features are observed and a shell model for the defect along with phonon data determined from neutron scattering experiments is used to satisfactorily explain the observed spectra.

Infrared Absorption and Anharmonicity of the U-Centre Local Mode. I. Experiments

1965 ◽  
Vol 11 (1) ◽  
pp. 231-239 ◽  
Author(s):  
B. Fritz ◽  
U. Gross ◽  
D. Bäuerle
Keyword(s):  
Infrared Absorption ◽  
Local Mode ◽  
Mode I

Far-infrared absorption by localized lattice modes in KI: KNO2

1965 ◽  
Vol 14 (4) ◽  
pp. 271-273 ◽  
Author(s):  
A.J. Sievers ◽  
C.D. Lytle
Keyword(s):  
Infrared Absorption ◽  
Far Infrared ◽  
Lattice Modes

Far infrared absorption of lattice modes of solid sodium azide

1970 ◽  
Vol 5 (3) ◽  
pp. 203-206 ◽  
Author(s):  
T.A. Richter ◽  
M.L. Malhotra ◽  
K.D. Möller
Keyword(s):  
Infrared Absorption ◽  
Sodium Azide ◽  
Far Infrared ◽  
Lattice Modes
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