Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
89 (2001), S. 6760-6762
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Measurements of tunneling magnetoresistance (TMR) in La0.7Ca0.3MnO3/Al2O3 magnetic multilayers are reported with the emphasis on effects of the sample microstructure, arising from different substrates or varied deposition temperatures. Observed superlattice structures reveal a detailed structural information especially from the thin Al2O3 layers. Magnetotransport behaviors were measured below the Curie temperature of La0.7Ca0.3MnO3, showing a clear structural dependence. A large low-field TMR of about 65% was observed at 40 K from a trilayer junction. The improved temperature dependence of TMR is attributed to improved microstructure both in electrodes and thin barrier. © 2001 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.1356713
Permalink
| Library |
Location |
Call Number |
Volume/Issue/Year |
Availability |
