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arxiv: cond-mat/0105475 · v2 · submitted 2001-05-24 · ❄️ cond-mat.supr-con

Effect of pressure on the superconducting Tc of MgB2

V. G. Tissen , M. V. Nefedova , N. N. Kolesnikov , M. P. Kulakov (Institute of Solid State Physics , Chernogolovka , Russia) This is my paper
classification ❄️ cond-mat.supr-con
keywords mgb2pressuresuperconductingtransitionanomalyappearanceappliedband-structure
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Measurements of the superconducting transition temperature Tc have been performed by the inductive method on MgB2 at pressures up to 28 GPa. Tc decreases with applied pressure, exhibiting a cusp at about 9 GPa. We interpret the appearance of this anomaly in the Tc(P) dependence as a result of the pressure-induced electronic transition. Recent band-structure calculations for MgB2 give some support for such an explanation.

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