Submitted:
18 December 2017
Posted:
18 December 2017
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Abstract
Antimony (Sb) Substitution less than 10 % is examined on a single crystal of a layered superconductor NdO0.7F0.3BiS2. Superconducting transition temperature of the substituted samples decreases with increasing Sb concentration. A lattice constant along the c axis showed a large decrease compared with that along the a axis. Since in-plane chemical pressure monotonically decreases with increasing Sb concentration, the suppression of the superconductivity is well described in terms of the decrease in in-plane chemical pressure.
Keywords:
BiS2-based superconductor
; Flux growth
; Layered structure
; Superconducting Properties
; Magnetic susceptibility measurement
; Electrical resistivity measurement
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