# Structure and physical properties of superconducting compounds Y(La)-Ba(Sr)-Cu-O

## TL;DR

This study investigates the structure and physical properties of Y(La)-Ba(Sr)-Cu-O superconductors, focusing on their electrical, magnetic, thermal, and acoustic behaviors over a broad temperature range, including their stability over time.

## Contribution

It presents new data on the structural and physical properties of Y(La)-Ba(Sr)-Cu-O superconductors prepared by cryogenic dispersion, including their electrical and magnetic characteristics.

## Key findings

- Electrical conductivity measured from 10 mK to 300 K.
- Critical current density and degradation over time analyzed.
- Structural and magnetic properties characterized comprehensively.

## Abstract

The structure and physical properties of superconducting compounds Y(La)-Ba(Sr)-Cu-O are studied, the compounds being prepared by the method of cryogenic dispersion of a charge consisting of premix oxides and carbonates. Electrical conductivity and critical current density of the superconductors are measured over a wide temperature range of 10~$mK$ to 300~$K$. Degradation of the superconductor critical parameters in time and structural characteristics, magnetic susceptibility, heat capacity and acoustic properties are studied, and current-voltage characteristics are determined.