Enthalpy of crystallization of rare-earth titanates from amorphous coprecipitated hydroxidesстатья
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Дата последнего поиска статьи во внешних источниках: 2 апреля 2015 г.
Аннотация:The crystallization of the pyrochlore-structure titanates R2Ti2O7 (R = Sm, Eu, Gd, Tb, Ho, Er, Tm) from x-ray amorphous coprecipitated hydroxides was studied by calorimetry and x-ray diffraction. The enthalpies and temperatures of crystallization were determined. The plot of the enthalpy of crystallization versus the atomic number of rare earths shows a well-defined break neat gadolinium.