Heat capacity and thermodynamic functions of thulium tellurites in the range of 298.15–673 K

Abstract

The isobaric heat capacity of double thulium tellurites is studied via dynamic calorimetry in the range of 298.15–673 K. It is used as the basis for deriving the equation C p o ∼ f(T) and determining the thermodynamic functions. Dependences C p o ∼ f(T) are found to have second-order phase λ-transitions.