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Magnetization reversal processes in magnetic bicrystal junctions
Chalmers tekniska högskola, Institutionen för mikroteknologi och nanovetenskap.
Chalmers tekniska högskola, Institutionen för tillämpad fysik.
2006 (engelsk)Inngår i: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 73, nr 1, s. 014435-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We provide experimental data for the magnetoresistance in epitaxial ferromagnetic manganite (La0.7Sr0.3MnO3) bicrystals with various angles. Experiments were conducted using samples with in-plane magnetization as well as with out-of-plane magnetization. From the shape of the magnetoresistance hysteresis we draw conclusions on the different magnetization reversal processes. We show that it is possible to set the electrode magnetization at remanence such that the spins at the bicrystal interface are either parallel or inclined to each other at an angle determined by the crystal orientations. Finally, we demonstrate the feasibility of using epitaxial magnetic bicrystals to probe the transport properties in magnetic junctions with well-determined angles of magnetization.

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2006. Vol. 73, nr 1, s. 014435-
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URN: urn:nbn:se:hj:diva-10451DOI: 10.1103/PhysRevB.73.014435OAI: oai:DiVA.org:hj-10451DiVA, id: diva2:240596
Tilgjengelig fra: 2009-09-29 Laget: 2009-09-29 Sist oppdatert: 2017-12-13bibliografisk kontrollert

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