| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1791960 | Journal of Crystal Growth | 2012 | 5 Pages |
Solidification of Y1.5Ba2Cu3Ox system was studied with the aim to find the temperature of self-nucleation. The microstructure after cooling from isothermal dwells in the temperature range 984–995 °C was analysed. It is shown that blocky YBa2Cu3O7−δ crystals were self-nucleated and grown during isothermal dwells below 988 °C and spheroidal multicrystals were formed during cooling from isothermal dwells at higher temperatures. The symmetrical and radial YBa2Cu3O7−δ crystal branches of spheroids grow in the 〈110〉 crystal direction.
► Temperature of selfnucleation in Y1.5Ba2Cu3Ox determined by microstructural analyses. ► Spheroidal solidification at cooling from temperature above selfnucleation. ► Spheroid branches grow in the 〈110〉 crystal direction.
