journal article·2001-05

Andreev reflection in superconducting/spin-valve sandwiches

N. Ryzhanova, C. Lacroix, A. Vedyayev, D. Bagrets, B. Dieny

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Abstract

Abstract The giant magnetoresistance (GMR) of a superconducting/ferromagnetic trilayer system (F 1 /F 2 /S) is calculated in ballistic and diffusive regimes, taking into account Andreev reflection at the F 2 /S interface. In the ballistic regime the GMR oscillates around a positive value as a function of thickness, while in the diffusive regime, the GMR is supressed.
Source: openaire · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: Physics of Superconductivity and Magnetism · Magnetic properties of thin films · ZnO doping and properties

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References (5)

Show source-provided references
1. Andreev · Sov. Phys. JETP · 1964 · 19 · 1228
2. N. Ryzhanova, C. Lacroix, A. Vedyayev, D. Bagrets, B. Dieny, cond-mat/0002411.
3. Taddei · Phys. Rev. Lett. · 1999 · 82 · 293810.1103/PhysRevLett.82.4938 ↗
4. Vedyayev · Europhys. Lett. · 1997 · 39 · 21910.1209/epl/i1997-00337-8 ↗
5. F. Taddei, S. Sanvito, C.J. Lambert, cond-mat/0003345.