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Article Dans Une Revue Physical Review Letters Année : 2004

Dependence of the Superconducting Transition Temperature on the Doping Level in Single-Crystalline Diamond Films

Résumé

Homoepitaxial diamond layers doped with boron in the 1020-1021 cm 3 range are shown to be type II superconductors with sharp transitions ( 0:2 K) at temperatures increasing from 0 to 2.1 K with boron contents. The critical concentration for the onset of superconductivity in those 001-oriented singlecrystalline films is about 5-7 1020 cm 3. The H T phase diagram has been obtained from transport and ac-susceptibility measurements down to 300 mK.
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hal-00959093 , version 1 (13-03-2014)

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E. Bustarret, J. Kacmarcik, C. Marcenat, E. Gheeraert, C. Cytermann, et al.. Dependence of the Superconducting Transition Temperature on the Doping Level in Single-Crystalline Diamond Films. Physical Review Letters, 2004, 93, pp.237005. ⟨10.1103/PhysRevLett.93.237005⟩. ⟨hal-00959093⟩
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