Abstract
We report on superconducting properties of high-quality single crystals of F-substituted NdOBiS2 using low-temperature magnetization and transport measurements. Using the mixture of CsCl and KCl as the flux, we have synthesized our single crystals. This compound exhibits bulk superconductivity with a transition temperature of about T c∼4.6 K. The critical current density J c as a function of temperature has been derived and decreases with the increasing temperature. We construct the phase diagram H c2(T). The zero-temperature value for \(H_{\mathrm {c2}}^{B\parallel c}\) for value for \(T_{c}^{90~\%}\) and \(T_{c}^{0~\%}\) is estimated to be approximately 2.17 and 1.72 T respectively by using Werthamer-Helfand-Hohenberg model.
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Acknowledgments
This work was supported by the National Basic Research Program of China (Grant Nos. 2014CB921203, and 2012CB927404), NSF of China (Contract Nos. U1332209 and 11190023), and the Fundamental Research Funds for the Central Universities of China.
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Chen, Q., Abdel-Hafiez, M., Chen, XJ. et al. Superconducting Properties of NdO0.5 F 0.5BiS2 Single Crystals. J Supercond Nov Magn 29, 1213–1217 (2016). https://doi.org/10.1007/s10948-016-3436-z
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DOI: https://doi.org/10.1007/s10948-016-3436-z