Series of maxima in the field dependent magnetic moment of layered superconductors
S. H. Brongersma, E. Verweij, N. J. Koeman, D. G. de Groot, R. Griessen, B. I. Ivlev
DOI 10.1103/PhysRevLett.71.2319 · Physical Review Letters
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Abstract
Magnetic moment measurements on niobium/copper multilayers by means of a torque magnetometer exhibit a series of maxima at specific field strengths HN when the applied magnetic field makes a small angle with the plane of the superconducting layers. These maxima are shown to be closely related to rearrangements of the parallel vortex system, during which an increasing number of vortex chains is formed in the sample.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Nb/Cu Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 6 | Pressure not reported | unknown |
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