65. Thermal properties of condensed matter (see also 05.70 Thermodynamics and 44 Heat transfer; for thermodynamic properties of quantum fluids and solids, see 67; for thermal properties of thin films, see 68.60.D; for nonelectronic thermal conduction, see 66.60, 66.70; for thermal properties of rocks and minerals, see 91.60.K) ( 0 Dok.)

• 65.20.+w Heat capacities of liquids ( 0 Dok. )

• 65.40.+g Heat capacities of solids (for specific heat of superconductors, see 74.25.B; for specific heat of magnetic systems, see 75.40.C) ( 0 Dok. )

• 65.50.+m Thermodynamic properties and entropy ( 0 Dok. )

• 65.70.+y Thermal expansion and density changes; thermomechanical effects ( 0 Dok. )

• 65.90.+i Other topics in thermal properties of condensed matter (restricted to new topics in section 65) ( 0 Dok. )