
For thermodynamical properties (specific heat, enthalpy, entropy, Gibbs free energy, melting point, heat of formation, and the resulting phase-diagram), most of the relevant experiments have relied on specific-heat measurements by different calorimeter capabilities, although the laser flash method is used in. For the mechanical properties (bulk modulus, shear modulus, Poisson’s ratio, elastic constants, lattice dynamics), ultrasonic pulse-echo (velocity and frequency) techniques and inelastic neutron scattering have been extensively used and the results from these experiments are presented in.

For the structural properties (lattice parameter, density, and thermal expansion) a number of studies involving X-ray diffraction (XRD) have been reported.

Experimentally, several fundamental properties of UN have been characterized: (i) structural, (ii) mechanical, (iii) thermodynamical, and (iv) magnetic properties.
