Abstract:By employing a nonconventional melting technique, namely, the aerodynamic levitation combined with CO 2 laser melting, we have been able to synthesize a series of glasses in the binary system xCaO − (1 − x)Al 2 O 3 , (x = 0.45, 0.50, 0.55, 0.60, 0.65, 0.70, 0.75, and 0.80). Utilizing Raman spectroscopy, we have systematically followed the compositionally induced spectral changes in the low-frequency regime of the spectra, the so-called Boson Peak (BP) region, and unraveled interesting interrelationships betwee… Show more
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