ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Pre-reacted Bi-Sr-Ca-Cu-O mixtures were prepared from high-purity Bi2O3, SrCO3, Ca(OH)2 and CuO by slow heating to 800-850 °C with intermediate grinding steps. These pre-reacted starting materials were generally not single-phase. Charges consisting of 10-50 wt% Bi-Sr-Ca-Cu-O mixtures thoroughly ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/332422a0