The phenomenon of magnetostriction MS consists in the deformation of a solid during
magnetization. Experimentally, MS has been studied mainly in materials with ferroand …

A new version of the phase method of determining the sound velocity is proposed and
implemented. It utilizes the``Nonius''measurement technique and can give acceptable …

A new version of the phase method of determining sound velocities is suggested and
realized. It is a'nonius' type method that allows one to obtain an acceptable accuracy (< …

X-ray (300 K) and ultrasonic (77–270 K) studies and measurements of the thermal
conductivity (30–300 K) are carried out on single-crystal samples of NdGaO 3 in different …

Magnetostriction loops of a hard superconductor are calculated analytically. The geometry
under consideration is a thin flat superconductor in a magnetic field perpendicular to the flat …

The results of research on the plasticity and strength of a wide class of metal oxide
perovskite-like compounds which have the property of high-temperature superconductivity …

The hopping conductivity of La 2 CuO 4+ δ single crystal with excess oxygen has been
studied. It is found that the transition from variable-range hopping (with the temperature …

The sound velocity is measured in polycrystalline MgB2 synthesized from the elements, and
the bulk modulus and the Debye temperature are calculated. The conversion of an elastic …

MgB {sub 2} polycrystals are synthesized from the elements. The sound velocities are
measured and the bulk modulus and Debye temperature are calculated. A conversion of the …

The complete set of third-order elastic constants of the high-temperature superconductor is
calculated by taking into account the interactions between nine nearest-neighbour atoms in …