Thermal hysteresis of the elastic modulus and low-temperature local order-disorder phase transitions in YBa2Cu3Ox superconductors
Mamsurova L. G. , Pigal'skii K. S., Sakun V. P., Shcherbakova L. G., Graboi I. E., Kaul' A. R.
A thermal hysteresis of the Young*s modulus has been detected in the YBa2Cu3Ox compounds with the oxygen concentration in the range 6.24< X <6.9, This effect is interpreted on the basis of a model which postulates the presence of local first-order order-disorder phase transitions.