Specific heat anomalies in ferroelectrics LiNaGe4O9 and Li1.1Na0.9Ge4O9

The heat capacity of LiNaGe4O9 and Li1.1Na0.9Ge4O9 crystals has been measured using AC calorimetry method. It is shown, that the temperature evolution of the excess heat capacity and the excess entropy of both crystals, in the ferroelectric phase, can be described by the formulas resulting from the...

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Veröffentlicht in:	Physica status solidi. B. Basic research 2004-04, Vol.241 (5), p.998-1004
Hauptverfasser:	Cach, R., Cebula, I., Volnyanskii, M. D.
Format:	Artikel
Sprache:	eng
Schlagworte:	64.10.+h 65.40.Ba 65.40.Gr 77.80.Bh Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Dielectric, piezoelectric, ferroelectric and antiferroelectric materials Dielectrics, piezoelectrics, and ferroelectrics and their properties Exact sciences and technology Physics Thermal properties of condensed matter
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