Please use this identifier to cite or link to this item: https://doi.org/10.1088/0022-3727/41/2/022001
DC FieldValue
dc.titleGiant magnetoimpedance and high frequency electrical detection of magnetic transition in La0.75Sr0.25MnO3
dc.contributor.authorBarik, S.K.
dc.contributor.authorRebello, A.
dc.contributor.authorTan, C.L.
dc.contributor.authorMahendiran, R.
dc.date.accessioned2014-10-16T09:26:49Z
dc.date.available2014-10-16T09:26:49Z
dc.date.issued2008-01-21
dc.identifier.citationBarik, S.K., Rebello, A., Tan, C.L., Mahendiran, R. (2008-01-21). Giant magnetoimpedance and high frequency electrical detection of magnetic transition in La0.75Sr0.25MnO3. Journal of Physics D: Applied Physics 41 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1088/0022-3727/41/2/022001
dc.identifier.issn00223727
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/96727
dc.description.abstractWe show that high frequency electrical transport is an efficient technique for detecting the magnetic transition hidden by the scattering of charges at grain boundaries in colossal magnetoresistive oxides, even in the absence of any external magnetic field. The dc resistivity which shows only a weak anomaly at the Curie temperature in La0.75Sr0.25 MnO3 transforms into abrupt jumps in both resistive (Z′) and reactive (Z″) parts of the ac impedance, Z(f, T, H) = Z′(f, T, H) + jZ″(f, T, H) at higher frequencies (f = 0.1-5 MHz). The anomaly in Z′ and Z″ at TC decreases as much as 19% and 15%, respectively, in a dc magnetic field of H = 65 mT compared with 1% dc magnetoresistance, suggesting a possible giant low-field magnetoimpedance effect which could be exploited for room temperature practical applications. We interpret our observations due to changes in the magnetic penetration depth induced by the spontaneous ordering of spins and by the applied field. © 2008 IOP Publishing Ltd.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1088/0022-3727/41/2/022001
dc.description.sourcetitleJournal of Physics D: Applied Physics
dc.description.volume41
dc.description.issue2
dc.description.page-
dc.description.codenJPAPB
dc.identifier.isiut000253177600002
Appears in Collections:Staff Publications

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

SCOPUSTM   
Citations

6
checked on Apr 3, 2020

WEB OF SCIENCETM
Citations

7
checked on Mar 18, 2020

Page view(s)

56
checked on Mar 29, 2020

Google ScholarTM

Check

Altmetric


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