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Opis

The principal results of the work are as follows: 1. A simplified technique was devised for obtaining Raman spectra of powders. 2. The Raman and infrared absorption spectra of the following oxides were investigated: AsP3' SbP3' As 0 SbP5. Te02. Ge02 (two forms) in the crystalline state, and ASP3' Ge02' Te0 in the glassy state. 2 5 2 3. The vibrational spectra of the crystalline and glassy forms of the oxides ASP3' Ge02' Te02 are simi lar in many main respects, indicating a similarity of their structural units which determine the vibrational spec tra of these substances. 4. By a study of the vibrational spectrum it was shown that arsenious anhydride has a molecular structure and consists of As0 molecules having symmetry of the point group Td' The force constants and vibration fre 4 6 quencies of the As 0 molecule were calculated. and the vibrational spectrum of arsenious anhydride was re 4 6 liably interpreted with the aid of these results. 5. A similar result was obtained for antimonous anhydride. consisting of Sb0 molecule.s with symmetry 4 6 ofthe point group Td. The force constants for this molecule were found and the vibrational spectrum was calculated.

Szczegóły książki

Kategoria Książki po angielsku Mathematics & science Physics Optical physics

• Pełny tytuł: Volume 25: Optical Methods of Investigating Solid Bodies
• Autor: D. V. Skobel tsyn
• Język: Angielski
• Oprawa: Miękka
• Liczba stron: 188
• EAN: 9781468472080
• ISBN: 1468472089
• ID: 02643700
• Wydawca: Springer-Verlag New York Inc.
• Waga: 495 g
• Wymiary: 279 × 210 × 11 mm
• Data wydania: 16. April 2013

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