(Microsoft PowerPoint - Acad\351mie_08.ppt [Lecture seule])

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GMR oscillations in Co/Cu (Orsay 1991, Mosca, AF et al)
• Magnetoresistance Géante (GMR)(Orsay, 1988, multicouches Fe/Cr, Jülich, 1989,tricouches Fe/Cr/Fe)Aimantations anti-parallèles(champ nul, forte résistance)~ + 80%FeCrFeAimantations parallèles(champ appl., petite resist.)Magnetic field (kGauss)FeCrFecourantCourantAP (AntiParallèle) P (Parallèle)Condition pour GMR:épaisseurs ≈ nm
Page 3 and 4: Mixing impurities A and B with oppo
Page 5 and 6: •Multicouches magnétiquesFeCrFeC
Page 7 and 8: •Multicouches magnétiquesAimanta
Page 9: • Magnetoresistance Géante (GMR)
Page 13 and 14: • Enregistrement magnétique: év
Page 15 and 16: Analyse biologique« biochips »que
Page 17 and 18: 1)Epitaxial magnetic tunnel junctio
Page 19 and 20: Transfert de spin(renversement d’
Page 21 and 22: Co/Cu: Current in Plane (CIP)-GMR(M
Page 23 and 24: Spin injection/extraction at a Semi
Page 25 and 26: Concept du transfert de spin (Slonc
Page 27 and 28: Experiments on pillarsAuFree ferroC
Page 29 and 30: Regime of steady precession (microw
Page 31 and 32: Application du transfert de spin: c
Page 33 and 34: Synchronization of STOsSynchronizat

(Microsoft PowerPoint - Acad\351mie_08.ppt [Lecture seule])

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