Imaging Spin-Reorientation Transitions in Consecutive Atomic Co Layers on Ru(0001)

by: Farid E Gabaly, Silvia Gallego, Carmen M Noz, Laszlo Szunyogh, Peter Weinberger, Christof Klein, Andreas K Schmid, Kevin F Mccarty, Juan

Physical Review Letters, Vol. 96, No. 14. (2006)

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Abstract

By means of spin-polarized low-energy electron microscopy, we show that the magnetic easy axis of one to three atomic-layer thick cobalt films on Ru(0001) changes its orientation twice during deposition: One-monolayer and three-monolayer thick films are magnetized in plane, while two-monolayer films are magnetized out of plane. The Curie temperatures of films thicker than one monolayer are well above room temperature. Fully relativistic calculations based on the screened Korringa-Kohn-Rostoker method demonstrate that only for two-monolayer cobalt films does the interplay between strain, surface, and interface effects lead to perpendicular magnetization.

@article{citeulike:2758339, abstract = {By means of spin-polarized low-energy electron microscopy, we show that the magnetic easy axis of one to three atomic-layer thick cobalt films on Ru(0001) changes its orientation twice during deposition: One-monolayer and three-monolayer thick films are magnetized in plane, while two-monolayer films are magnetized out of plane. The Curie temperatures of films thicker than one monolayer are well above room temperature. Fully relativistic calculations based on the screened Korringa-Kohn-Rostoker method demonstrate that only for two-monolayer cobalt films does the interplay between strain, surface, and interface effects lead to perpendicular magnetization.}, author = {Gabaly, Farid E. and Gallego, Silvia and Noz, Carmen M. and Szunyogh, Laszlo and Weinberger, Peter and Klein, Christof and Schmid, Andreas K. and Mccarty, Kevin F. and Juan}, citeulike-article-id = {2758339}, doi = {10.1103/PhysRevLett.96.147202}, journal = {Physical Review Letters}, keywords = {2006, atom, film, focus, magnetic, material}, number = {14}, posted-at = {2008-05-05 17:11:54}, priority = {2}, publisher = {APS}, title = {Imaging Spin-Reorientation Transitions in Consecutive Atomic Co Layers on Ru(0001)}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000096000014147202000001\&idtype=cvips\&gifs=yes}, volume = {96}, year = {2006} }

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TY - JOUR ID - citeulike:2758339 TI - Imaging Spin-Reorientation Transitions in Consecutive Atomic Co Layers on Ru(0001) JF - Physical Review Letters VL - 96 IS - 14 PB - APS N2 - By means of spin-polarized low-energy electron microscopy, we show that the magnetic easy axis of one to three atomic-layer thick cobalt films on Ru(0001) changes its orientation twice during deposition: One-monolayer and three-monolayer thick films are magnetized in plane, while two-monolayer films are magnetized out of plane. The Curie temperatures of films thicker than one monolayer are well above room temperature. Fully relativistic calculations based on the screened Korringa-Kohn-Rostoker method demonstrate that only for two-monolayer cobalt films does the interplay between strain, surface, and interface effects lead to perpendicular magnetization. KW - 2006 KW - atom KW - film KW - focus KW - magnetic KW - material AU - Gabaly, Farid AU - Gallego, Silvia AU - Noz, Carmen AU - Szunyogh, Laszlo AU - Weinberger, Peter AU - Klein, Christof AU - Schmid, Andreas AU - Mccarty, Kevin AU - Juan PY - 2006/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000096000014147202000001&idtype=cvips&gifs=yes ER -

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