Influence of Na-doping and sintering temperature on increasing Bi2Sr2CaCu2O8 superconducting phase content in powder form materials

TL;DR

This study investigates how Na-doping and sintering temperature adjustments enhance the Bi-2212 superconducting phase in powder materials, revealing that sodium increases phase content and allows lower sintering temperatures.

Contribution

It systematically explores the effects of sodium doping and sintering temperature on Bi-2212 phase formation, highlighting the role of Na in improving phase content.

Findings

Na-doping increases Bi-2212 phase content

Sintering temperatures can be lowered with Na-doping

Na influences the substitution site in the material

Abstract

This paper proposes a systematic way to explore the effects of Na on Bi-2212 phase formation. The influence of sodium metal is correlated with the 2212 fraction formed in the sample. The effect on the sintering temperature and the importance of the substitution site is studied. Samples are characterized by X-ray diffraction analysis (XRD). Results clearly show that the 2212 phase content is enhanced and sintering temperatures can be lowered with regard to the undoped samples.