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Article: Persistent photoconductivity induced by electric currents in epitaxial thin films of Pr0.7Sr0.3MnO3

TitlePersistent photoconductivity induced by electric currents in epitaxial thin films of Pr0.7Sr0.3MnO3
Authors
KeywordsElectroresistance
Epitaxial thin films
Low temperatures
Meta-stable state
Multiphases
Issue Date2011
PublisherAmerican Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jsp
Citation
Journal of Applied Physics, 2011, v. 109 n. 7, article no. 07D701 How to Cite?
AbstractThe effects of electric currents on the photoconductivity of epitaxial Pr0.7Sr0.3MnO3 films were studied. The as-prepared films showed a transient photoconductivity in a wide temperature range. After the films were processed by a current of density ∼10 5 A/cm2 for certain duration at room temperature, a highly resistive and metastable state was excited at low temperature. This induced state exhibited significant electroresistance and persistent photoconductivity. The phenomena found in films grown on LaAlO3 were similar to those on SrTiO3. The observed effects might be related to the coexistence and instability of the multiphases in manganites. © 2011 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/139632
ISSN
2015 Impact Factor: 2.101
2015 SCImago Journal Rankings: 0.603
ISI Accession Number ID
Funding AgencyGrant Number
Research Grant Council of Hong KongHKU 702407P
CRCG of the University of Hong Kong
Funding Information:

This work has been supported by a grant of the Research Grant Council of Hong Kong (Project No. HKU 702407P) and the CRCG of the University of Hong Kong.

Grants

 

DC FieldValueLanguage
dc.contributor.authorWang, JFen_US
dc.contributor.authorGao, J-
dc.date.accessioned2011-09-23T05:52:47Z-
dc.date.available2011-09-23T05:52:47Z-
dc.date.issued2011en_US
dc.identifier.citationJournal of Applied Physics, 2011, v. 109 n. 7, article no. 07D701en_US
dc.identifier.issn0021-8979-
dc.identifier.urihttp://hdl.handle.net/10722/139632-
dc.description.abstractThe effects of electric currents on the photoconductivity of epitaxial Pr0.7Sr0.3MnO3 films were studied. The as-prepared films showed a transient photoconductivity in a wide temperature range. After the films were processed by a current of density ∼10 5 A/cm2 for certain duration at room temperature, a highly resistive and metastable state was excited at low temperature. This induced state exhibited significant electroresistance and persistent photoconductivity. The phenomena found in films grown on LaAlO3 were similar to those on SrTiO3. The observed effects might be related to the coexistence and instability of the multiphases in manganites. © 2011 American Institute of Physics.-
dc.languageengen_US
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jspen_US
dc.relation.ispartofJournal of Applied Physicsen_US
dc.rightsJournal of Applied Physics. Copyright © American Institute of Physics.en_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsCopyright (2011) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in (Journal of Applied Physics, 2011, v. 109 n. 7, article no. 07D701) and may be found at (http://jap.aip.org/resource/1/japiau/v109/i7/p07D701_s1).en_US
dc.subjectElectroresistance-
dc.subjectEpitaxial thin films-
dc.subjectLow temperatures-
dc.subjectMeta-stable state-
dc.subjectMultiphases-
dc.titlePersistent photoconductivity induced by electric currents in epitaxial thin films of Pr0.7Sr0.3MnO3en_US
dc.typeArticleen_US
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0021-8979&volume=109&issue=7, article no. 07D701&spage=&epage=&date=2011&atitle=Persistent+photoconductivity+induced+by+electric+currents+in+epitaxial+thin+films+of+Pr0.7Sr0.3MnO3-
dc.identifier.emailGao, J: jugao@hku.hk-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1063/1.3536458-
dc.identifier.scopuseid_2-s2.0-79955409811-
dc.identifier.hkuros195383en_US
dc.identifier.volume109en_US
dc.identifier.issue7, article no. 07D701-
dc.identifier.isiWOS:000289952100232-
dc.relation.projectField effect in epitaxial thin films of perovskite manganites based on simple planar field effect configurations-

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