Yusuf, S. M. ; Osgood III, R. M. ; Jiang, J. S. ; Sowers, C. H. ; Bader, S. D. ; Fullerton, E. E. ; Felcher, G. P. (1999) Magnetic profile in Nb/Si superconducting multilayers Journal of Magnetism and Magnetic Materials, 198-19 (1-3). pp. 564-566. ISSN 0304-8853
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0304-8853(98)01215-3
Abstract
Polarized neutron reflectivity measurements were conducted on [Nb(100 Å)/Si(15 Å)]×N superconducting multilayers with a Tc∼7.5 K. Scope of the experiment was to verify the existence of arrays of vortices parallel to the surface above the critical field Hc1 = 400 Oe when a magnetic field was applied parallel to the film plane. Measurements at 1.6 K and 700 Oe in the zero-field-cooled condition, and at 30 Oe after field cooling, indicated that reflectivity close to the first Bragg reflection of the multilayer was significantly dependent on the neutron spin. This effect was interpreted as due to Josephson-type vortices at and around the silicon layers.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Nb/Si Multilayers; Magnetic Profile; PNR |
| ID Code: | 112395 |
| Deposited On: | 01 Dec 2017 12:04 |
| Last Modified: | 01 Dec 2017 12:04 |
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