Vibrational spectrum of Li2B4O7 crystals |
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| Authors: | A V Vdovin V N Moiseenko V S Gorelik Ya V Burak |
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| Institution: | (1) Lebedev Physical Institute, Russian Academy of Sciences, Leninskii pr. 53, Moscow, 117924, Russia |
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| Abstract: | The polarized infrared reflection spectra of Li2B4O7 were studied in the spectral range 80–1600 cm?1 and compared with Raman spectra. From the spectrum dispersion analysis, the frequencies, damping, and dielectric oscillator strengths were determined for all vibrational modes observed. A calculation of the effective charges and an analysis of the chemical-bond types of the Li2B4O7 crystal structural units were carried out on the basis of the obtained data. |
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