by K. M. Döbrich, M. Wietstruk, J. E. Prieto, F. Heigl, O. Krupin, K. Starke and G. Kaindl
Abstract:
For epitaxial trilayers of the magnetic rare-earth metals Gd and Tb, exchange coupled through a nonmagnetic Y spacer layer, element-specific hysteresis loops were recorded by the x-ray magneto-optical Kerr effect at the rare-earth M5 thresholds. This allowed us to quantitatively determine the strength of interlayer exchange coupling (IEC). In addition to the expected oscillatory behavior as a function of spacer-layer thickness dY, a temperature-induced sign reversal of IEC was observed for constant dY, arising from magnetization-dependent electron reflectivities at the magnetic interfaces.
Reference:
K. M. Döbrich, M. Wietstruk, J. E. Prieto, F. Heigl, O. Krupin, K. Starke and G. Kaindl, “Temperature-Induced Reversal of Magnetic Interlayer Exchange Coupling”, Physical Review Letters, vol. 100, no. 22, pp. 227203.
Bibtex Entry:
@article{dobrich_temperature-induced_2008,
title = {Temperature-{Induced} {Reversal} of {Magnetic} {Interlayer} {Exchange} {Coupling}},
volume = {100},
url = {https://link.aps.org/doi/10.1103/PhysRevLett.100.227203},
doi = {10.1103/PhysRevLett.100.227203},
abstract = {For epitaxial trilayers of the magnetic rare-earth metals Gd and Tb, exchange coupled through a nonmagnetic Y spacer layer, element-specific hysteresis loops were recorded by the x-ray magneto-optical Kerr effect at the rare-earth M5 thresholds. This allowed us to quantitatively determine the strength of interlayer exchange coupling (IEC). In addition to the expected oscillatory behavior as a function of spacer-layer thickness dY, a temperature-induced sign reversal of IEC was observed for constant dY, arising from magnetization-dependent electron reflectivities at the magnetic interfaces.},
number = {22},
urldate = {2017-10-06},
journal = {Physical Review Letters},
author = {Döbrich, K. M. and Wietstruk, M. and Prieto, J. E. and Heigl, F. and Krupin, O. and Starke, K. and Kaindl, G.},
month = jun,
year = {2008},
pages = {227203},
file = {APS Snapshot:E:\cmam_papers\files\882\PhysRevLett.100.html:text/html;APS Snapshot:E:\Usuarios\Administrator\Zotero\storage\S9TK75C6\PhysRevLett.100.html:text/html},
}