Groupe de Physique Statistique

Equipe 106, Institut Jean Lamour

                     
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Articles dans des revues à comité de lecture

Rotation of magnetic propagation vectors induced by lattice clamping in (110)Eu films
Soriano S., Dumesnil K., Dufour C., Gourieux T., Mangin Ph., Borchers J.A., Stunault A.
Physical Review B - Condensed Matter and Materials Physics 71 (2005) 1
DOI : 10.1103/PhysRevB.71.092409

Unique magnetic ordering has been observed in (110)Eu epitaxial films at low temperature: In contrast to bulk Eu, the magnetic helix propagating along the in-plane [001] direction vanishes on cooling below a temperature T d, at the benefit of the other two. In addition, the two remaining propagation vectors continuously rotate towards the [110] growth direction. Both the temperature Td and the rotation of wave vectors exhibit a pronounced dependence on film thickness, as a consequence of a thickness- and temperature-dependent lattice clamping effect that distorts the Eu lattice at low temperature.



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