Superconducting properties of indium in the restricted geometry of porous Vycor glass
M. J. Graf, T. E. Huber, C. A. Huber
DOI 10.1103/PhysRevB.45.3133 · Physical Review B
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Abstract
The superconducting transition of indium in 56-Å-pore Vycor glass has been studied through resistance and magnetic-susceptibility measurements. The confined indium behaves like a ‘‘dirty’’ type-II superconductor, and the superconducting transition consists of ItwoR transitions, which become well separated in applied magnetic fields. While the lower critical field Hcl follows de Gennes’s prediction of Hc2(T), the higher critical field Hcu has an unusual dependence of (1-T/Tc)1/2. The possible origin of this transition is discussed in terms of the microstructure of the composite.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| In Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 4.03 | Pressure not reported | unknown |
| In Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3.98 | Pressure not reported | unknown |
| In Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3.95 | Pressure not reported | unknown |
| In Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3.98 | Pressure not reported | unknown |
| In Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3.41 | Pressure not reported | unknown |
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