Effects of oxygen deficiency on the acoustic anomalies and phase transition behaviors of barium titanate single crystals
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DOI: 10.1016/j.cap.2017.10.014
Abstract: Abstract The acoustic behaviors of oxygen-reduced barium titanate (BaTiO3-δ) single crystals with δ∼0.04 were investigated as a function of temperature by using Brillouin spectroscopy. The longitudinal acoustic mode of the moderately-reduced BaTiO3 (BTO) showed two… read more here.
Keywords: acoustic anomalies; temperature; phase transition; single crystals ... See more keywords
Acoustic anomalies in SrTiO3−BiFeO3 solid solutions
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DOI: 10.1134/s1063783418010249
Abstract: The results of acoustic investigations of solid solutions SrTiO3−BiFeO3 in the temperature range from 100 to 650 K have been presented. The measurements of the velocity and attenuation of the longitudinal ultrasonic mode at a… read more here.
Keywords: acoustic anomalies; temperature range; anomalies srtio3; bifeo3 solid ... See more keywords
Acoustic Anomalies and Fast Relaxation Dynamics of Amorphous Progesterone as Revealed by Brillouin Light Scattering
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DOI: 10.3390/ma10121426
Abstract: The amorphous state of pharmaceuticals has attracted much attention due to its high bioavailability and other advantages. The stability of the amorphous state in relation with the local molecular mobility is important from both fundamental… read more here.
Keywords: acoustic anomalies; relaxation; anomalies fast; amorphous progesterone ... See more keywords