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Growth of BaFe<sub>2</sub>(As<sub>1-<i>x</i></sub>P<sub><i>x</i></sub>)<sub>2</sub>Single Crystals (0≤<i>x</i>≤1) by Ba<sub>2</sub>As<sub>3</sub>/Ba<sub>2</sub>P<sub>3</sub>-Flux Method
63
Citations
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References
2012
Year
Superconducting MaterialMagnetic PropertiesEngineeringBismuth-based SuperconductorsCrystal Growth TechnologyMagnetismMultiferroicsBafe 2SuperconductivityQuantum MaterialsHigh Tc SuperconductorsSizable Single CrystalsMaterials ScienceHigh-tc SuperconductivityCrystalline DefectsPhysicsCrystal MaterialIron-based SuperconductorsSolid-state PhysicApplied PhysicsCondensed Matter PhysicsBa 2
Sizable single crystals of iron-based high-transition-temperature superconductors, BaFe 2 (As 1- x P x ) 2 , have been synthesized over an entire x range from 0 to 1. The employment of a Ba 2 As 3 /Ba 2 P 3 self-flux method enables us to grow large single crystals (∼7×7 mm 2 ) using a quartz tube, the P content of which is systematically controlled by tuning the As/P mixture ratio of the starting compositions. The post-annealing of the as-grown crystals results in sample quality improvement, evidenced by the increase in superconducting and antiferromagnetic-orthorhombic (AFO) transition temperatures as well as the significant reduction in residual resistivity in the AFO phase in the underdoped regime.
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