SINTESIS SUPERKONDUKTOR SISTEM (Bi,Pb)Sr(Y,Ca)CuO BERFASE 1212 DENGAN METODE PELELEHAN
Superconductors system BPSCCO 1212 phase have been synthesized by solid state reaction with melting methods. The schedules: calcining at 9000C during 10 h, making of pellet, melting at 10100C for 0.1 h, cooling (cooling rate 350C/h) to 9800C, and sintering at 9800C during 5, 10, 20, and 30 h. From m...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Universitas Udayana
2012-08-01
|
| Series: | Buletin Fisika |
| Online Access: | https://ojs.unud.ac.id/index.php/buletinfisika/article/view/31287 |
| Summary: | Superconductors system BPSCCO 1212 phase have been synthesized by solid state reaction with melting methods. The schedules: calcining at 9000C during 10 h, making of pellet, melting at 10100C for 0.1 h, cooling (cooling rate 350C/h) to 9800C, and sintering at 9800C during 5, 10, 20, and 30 h. From measurement of XRD, all of the sample has showed to be formed of Bi-1212 phase. The highest volume fraction reach 91,23 % given by sample which is sintering at 9800C during 10 h. The spectrum pattern show reflection of its 00l extremely high intensity, showing the existence highly textured which as according to the typical behaviour for materials with the c-axis lying normal to the surface plane. The resistivity as function of temperature, that sample not yet shown the existence of Tc0, not yet had the superconducting properties at temperature above 77 K. The SEM shows morphology of surface, showing the existence of the stacking of plate-like. Analyse EDX at some spots observation, show elements distribution of Bi, Pb, Sr, Y, Ca and Cu nearly homogenous, and its ratio of the spots on grain have been nearly the composition of 1212 phase. |
|---|---|
| ISSN: | 1411-4690 2580-9733 |