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- Publisher
- American Physical Society (APS)
- Copyright
- Copyright © 2001 The American Physical Society
- ISSN
- 1095-3795
- DOI
- 10.1103/PhysRevB.65.012410
- Publisher site
- See Article on Publisher Site
Abstract
We report on low-temperature transport measurements on small mesa structures fabricated on single crystals of the layered manganite La 1.4 Sr 1.6 Mn 2 O 7 , with current perpendicular to the layers. The mesa thicknesses were less than 20 unit cells, and their lateral size was well below the size of a magnetic domain. In external magnetic fields perpendicular to the layers, switching of the magnetoresistance was observed in fields below 0.4 T, while for parallel fields it decreased continuously. We interpret these observations in terms of simultaneous switching of all natural spin valves contained in the mesa structure.
Journal
Physical Review B – American Physical Society (APS)
Published: Jan 1, 2002