Growth, characterization and physical properties of high-quality large single crystals of Bi$_2$Sr$_{2-x}$La$_{x}$CuO$_6$ high-temperature superconductors

Details Growth, characterization and physical properties of high-quality large single crystals of Bi$_2$Sr$_{2-x}$La$_{x}$CuO$_6$ high-temperature superconductors Growth, characterization and physical properties of high-quality large single crystals of Bi$_2$Sr$_{2-x}$La$_{x}$CuO$_6$ high-temperature superconductors

2009-03-08

arxiv.org/abs/0903.1421v1

Supercond. Sci. Technol. 22 (2009) 045010

Physics

Condensed Matter

Superconductivity

11 pages, 5 figures

Scientific paper

10.1088/0953-2048/22/4/045010

High quality large Bi$_2$Sr$_{2-x}$La$_{x}$CuO$_6$(La-Bi2201) single crystals have been successfully grown by the traveling solvent floating zone technique. The samples are characterized by compositional and structural analyzes and their physical properties are investigated by magnetic susceptibility and resistivity measurements. Superconducting samples with sharp superconducting transitions are obtained covering a wide range of doping from overdoped (x<0.40), optimally-doped (x~0.40), underdoped (0.400.84). Crystals as large as ~40 * 2.0 * 1 mm3 are obtained for x=0.73. Sharp superconducting transition with a width less than 2 K and nearly perfect Meissner signal of superconductivity are achieved for x=0.40. The availability of the La-Bi2201 single crystals will provide an ideal system to study the physical properties, electronic structure and mechanism of high temperature superconductivity

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