Surface states and their possible role in the superconductivity of MgB2
V. D. P. Servedio, S.-L. Drechsler, T. Mishonov
DOI 10.1103/PhysRevB.66.140502 · Physical Review B
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Abstract
We report layer-Korringa-Kohn-Rostocker calculations for bulk and surface states (SFS) as well as the corresponding photoemission intensities of MgB2. Our theoretical results reproduce very well the recent angle resolved photoemission data by Uchiyama et al. [Phys. Rev. Lett. 88, 157002 (2002)]. At least two SFS are assigned. Consequences of SFS on the anisotropy of the upper critical fields and other properties in the superconducting state of grains in micropowder samples are discussed.
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. | — | Pressure not reported | unknown |
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