Glass formation and glass structure of BiO1.5–CuO–Ca0.5Sr0.5O system
- 1 August 1989
- journal article
- Published by Springer Nature in Journal of Materials Research
- Vol. 4 (4) , 911-915
- https://doi.org/10.1557/jmr.1989.0911
Abstract
The glass-forming region of the BiO1.5–CuO–Ca0.5Sr0.5O system has been determined by melting 5 g batches. Glass rods 4 mm in diameter and 75 mm long have been made. The glass transition temperatures (TG) and the onset crystallization temperatures (Tx) are around 390 °C and 440 °C, respectively. Densities of these glasses range from 5.5 to 7.0 g/cm3. The glass structure consists of the [BiO3] and [BiO6] units, and the conversion between these two polyhedra mainly depends on the Ca0.5Sr0.5O amount. The molecular volume of the glasses indicated that increasing Ca0.5Sr0.5O caused loose glass structures.Keywords
This publication has 6 references indexed in Scilit:
- glass and superconducting glass ceramicsPhysical Review B, 1988
- Amorphous-to-crystalline transformations in bismuth-oxide-based high T c superconductorsApplied Physics Letters, 1988
- Preparation of Bi-Sr-Ca-Cu-O superconductors from oxide-glass precursorsApplied Physics Letters, 1988
- Glass Formation of High-Tc Compound BiCaSrCu2Ox by Rapid QuenchingJapanese Journal of Applied Physics, 1988
- High-Tc Superconducting Glass Ceramics Based on the Bi-Ca-Sr-Cu-O SystemJapanese Journal of Applied Physics, 1988
- Superconductivity in the Bi - Sr - Cu - O systemZeitschrift für Physik B Condensed Matter, 1987