Tunneling spectroscopy of AlB 2 type silicide superconductor CaAlSi
Physica B: Condensed Matter, ISSN: 0921-4526, Vol: 383, Issue: 1, Page: 80-81
2006
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Article Description
Tunneling spectroscopy measurements of CaAlSi have been carried out using a break junction technique. The spectra exhibit the sharp gap structures with the gap parameter of Δ (4.2 K)≈1.1–1.3 meV. The T c is determined to be 6–7.5 K from the temperature variations of the gap structure. The extrapolated Δ (0 K) by the BCS curve leads to the strong coupling ratio 2 Δ (0 K)/ k B T c =4.2–4.5.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0921452606007526; http://dx.doi.org/10.1016/j.physb.2006.03.062; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=33746668695&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0921452606007526; https://dx.doi.org/10.1016/j.physb.2006.03.062
Elsevier BV
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