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  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  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.