Please use this identifier to cite or link to this item:
Title: Resistance steps and large magnetoresistive effect in La0.67 Sr0.33 MnO3 nanoconstriction array
Authors: Liu, H.J.
Ong, C.K. 
Issue Date: 2005
Citation: Liu, H.J., Ong, C.K. (2005). Resistance steps and large magnetoresistive effect in La0.67 Sr0.33 MnO3 nanoconstriction array. Applied Physics Letters 87 (26) : 1-3. ScholarBank@NUS Repository.
Abstract: The transport properties of La0.67 Sr0.33 MnO3 (LSMO) nanoconstriction array under large applied current with current density in the order of 105 A cm2 have been investigated. A series of resistance steps were observed at 78 K with applied current up to 1.0 mA. The critical current value at which resistance jump occurs varied with temperatures and the applied magnetic fields. The observation was attributed to the local heating induced phase transition at the section of nanoconstrictions where phase separation is dominant. A large low field magnetoresistive ratio of 52.2% was achieved at 78 K with the magnetic field up to 3000 Gauss when the biased current was set to 0.34 mA. This LSMO nanoconstriction array shows promise in the application of magnetic field sensors. © 2005 American Institute of Physics.
Source Title: Applied Physics Letters
ISSN: 00036951
DOI: 10.1063/1.2158525
Appears in Collections:Staff Publications

Show full item record
Files in This Item:
There are no files associated with this item.


checked on Jul 13, 2018


checked on Jun 13, 2018

Page view(s)

checked on Feb 25, 2018

Google ScholarTM



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.