Pinning in high performance MgB^sub 2^ thin films and bulks: Role of Mg-B-O nano-scale inhomogeneities

The comparison of nano-crystalline MgB2 oxygen-containing thin film (140 nm) and highly dense bulk materials showed that the critical current density, Jc, depends on the distribution of Mg-B-O nano-scale inhomogeneities. It has been shown that MgB2 bulks with high Jc in low (~106 A/cm2 in 0-1 T at 1...

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Veröffentlicht in:	Physica. C, Superconductivity Superconductivity, 2017-02, Vol.533, p.36
Hauptverfasser:	Prikhna, Tatiana, Shapovalov, Andrey, Eisterer, Michael, Shaternik, Vladimir, Goldacker, Wilfried, Weber, Harald W, Moshchil, Viktor, Kozyrev, Artem, Sverdun, Vladimir, Boutko, Viktor, Grechnev, Gennadiy, Gusev, Alexandr, Kovylaev, Valeriy, Shaternik, Anton
Format:	Artikel
Sprache:	eng
Schlagworte:	Borides Boron Bulk density Conductors Critical current density Density of states Inhomogeneity Magnesium compounds Magnetic fields Mathematical analysis Nanocrystals Oxygen atoms Oxygen enrichment Studies Thin films
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