Surface superconducting states in a polycrystalline MgB2 sample
Menachem I. Tsindlekht, Grigory I. Leviev, Valery M. Genkin, Israel Felner, Pavlo Mikheenko, J. Stuart Abell
DOI 10.1103/PhysRevB.74.132506 · Physical Review B
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Abstract
We report results of a dc magnetic and ac linear low-frequency study of a polycrystalline MgB2 sample. ac susceptibility measurements at low frequencies, performed under dc fields parallel to the sample surface, provide clear evidence for surface superconducting states in MgB2.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| MgB2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 37.5 | Pressure not reported | unknown |
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