STRUCTURE OF Er | Y SUPERLATTICESReportar como inadecuado




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Abstract : The magnetic structure of Er | Y superlattices has been determined by neutron diffraction and squid magnetometry on single crystal samples grown on sapphire substrates by molecular-beam-epitaxy techniques. The turn angle in the Er layers is magneto-elastically -clamped-, and in fact locks-in to the commensurate state ω = 2π - 7 below about 35 K. For the Er13 | Y26 superlattice the low temperature state is not 2π - 7 but can be shifted to that value by a magnetic field, since this state has a net moment of 8 µB - 7 atoms along the c-axis.





Autor: R. Erwin J. Rhyne J. Borchers M. Salamon R. Du C. Flyn

Fuente: https://hal.archives-ouvertes.fr/



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