http://www.cnr.it/ontology/cnr/individuo/prodotto/ID43327
Effects of Cu and other metallic dopings on the superconducting properties of MgB2 (Articolo in rivista)
- Type
- Label
- Effects of Cu and other metallic dopings on the superconducting properties of MgB2 (Articolo in rivista) (literal)
- Anno
- 2003-01-01T00:00:00+01:00 (literal)
- Alternative label
Tampieri A., Celotti G., Sprio S., Rinaldi D. (2003)
Effects of Cu and other metallic dopings on the superconducting properties of MgB2
in International journal of modern physics b
(literal)
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- Tampieri A., Celotti G., Sprio S., Rinaldi D. (literal)
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- Articolo su rivista internazionale di grande rilievo nel settore della superconduttività (literal)
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- ISI Web of Science (WOS) (literal)
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- Tampieri A., Celotti G., Sprio S., ISTEC-CNR, Faenza (RA)
Rinaldi D., Dipart. FIMET, UNIAN (literal)
- Titolo
- Effects of Cu and other metallic dopings on the superconducting properties of MgB2 (literal)
- Abstract
- Many efforts have been devoted, after the discovery of superconductivity in MgB2 [1], to understand the mechanisms of superconductivity in this system and the possible increase of its critical temperature. The aim of this work is to investigate the influence of heteroatoms doping in MgB2, substituting Mg and/or B during the classical synthesis of MgB2. Various elements were tested: mainly Cu and Ca, Sr, Cr, Mn, C and Si, devising various technological expedients when necessary to ensure an actual, even if partial, entrance of the dopants in the MgB2 lattice.
Unfortunately the elements tested so far produced a decrease in Tc or a very small increase: actually Si and C seem to have a slightly positive effect on Tc.
The reasons for the observed effects were analysed and tentative explanations offered: in any case some interesting deductions on the nature of superconductivity in MgB2 were drawn.
(literal)
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