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Baibich, M.N.1
Broto, J.M.2
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Nguyen Van Dau, F.4
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Etienne, P.6
Creuzet, G.7
Friederich, A.8
Chazelas, J.9
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Magnetic and transport properties of Fe/Cr superlattices (invited)
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Barthélemy, A.1
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Petroff, F.5
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Cabanel, R.7
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Petroff, F.1
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Pratt, W.P.7
Loloee, R.8
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17
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84931539934
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recently, a magnetic period of 4–5 layers has been seen in very smooth Ag films on bcc Fe(100): Z. Celinski, B. Heinrich, and J. F. Cochran, J. Appl. Phys. (to be published).
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20
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84931539933
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Qibiao Chen, M. Onellion, and A. Wall (unpublished).
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0040000944
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(1992)
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Greig, D.1
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Hammond, C.3
Hickey, B.J.4
Ho, H.P.5
Howson, M.A.6
Walker, M.J.7
Wiser, N.8
Wright, D.G.9
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32
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84931539932
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F. Herman, M. Van Schilfgarde, and J. Sticht, Proceedings of the International Conference on the Physics of Transition Metals, Darmstadt 1992 [Int. J. Mod. Phys. (to be published)].
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43
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84931539942
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Vadim Kalmeyer (unpublished).
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64
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84931539943
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By amplitude modulation, one obtains the sum and the difference between the carrier frequency ( kedge) and the modulation frequency ( kenv ). However, +- kenv are equivalent in Eq. (1) due to time-reversal symmetry.
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79
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84931539907
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The phase shifts depend on the reference plane. We use the plane halfway between atomic layers. To rationalize the phase shifts for the band edge at X4sprime one may consider the corresponding antibonding, pz-like wave function at the zone boundary. It has nodes at the atomic planes and maxima in between, reversing its sign every atomic layer. The maxima correspond to a phase shift of zero. The situation is reversed either going to the zone center, or going to a bonding (s-like) state. Here, one has nodes instead of maxima in the reference plane between the atomic layers, corresponding to a phase shift of +- pi.
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