2001/04/19 by J. Q. Li, L. Li, Li, J. Q. +9
Physics and Astronomy · #FOS: Physical sciences #Materials Science (cond-mat.mtrl-sci) #Superconductivity (cond-mat.supr-con) #cond-mat.mtrl-sci #cond-mat.supr-con
paper · pdf · doi:10.48550/arxiv.cond-mat/0104350
4 pages and 5 figures
arxiv created 2001/04/19 · arxiv updated 2009/11/30
The structural properties of MgB2 superconductors have been analyzed by means of convergent-beam electron diffraction, high-resolution transmission-electron microscopy, and theoretical simulations. The MgB2 crystal has been identified to have a hexagonal structure with the space group of P6/mmm. Microstructural features of MgB6 materials depend evidently upon the synthesis pressures. Stacking faults and grain boundaries in a sample with the critical current density greater than 105A/cm2 have been extensively investigated.