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Article: Colossal electroresistance in La0.8Ca0.2MnO3 films on 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 substrates
| Title | Colossal electroresistance in La0.8Ca0.2MnO3 films on 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 substrates | ||||||||||||
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| Authors | |||||||||||||
| Issue Date | 2012 | ||||||||||||
| Publisher | Institute of Physics Publishing Ltd.. The Journal's web site is located at http://iopscience.iop.org/0295-5075 | ||||||||||||
| Citation | Europhysics Letters, 2012, v. 97 n. 5, article no. 57009 How to Cite? | ||||||||||||
| Abstract | Epitaxial La 0.8Ca 0.2MnO 3 (LCMO) thin films with varied thicknesses were successfully grown on 0.7Pb(Mg 1/3Nb 2/3)O 3-0.3PbTiO 3 (PMN-PT) substrates with pulsed-laser deposition. Due to a large lattice mismatch between LCMO and PMN-PT, in-plane tensile strain was introduced into the LCMO layers. The tensile strain could be controlled by varying the layer thickness of LCMO. It was found that the in-plane tensile strain in LCMO layers could enhance the electroresistance (ER) effect significantly. A maximum value of ER ((R 10 μA-R 1 mA)/R 10 μA×100%) was found to be ∼80% in a 10 nm thick LCMO film that suffered a 2.21% in-plane tensile strain. The mechanism for the impact of strain on the ER effect is discussed within the framework of the electron-lattice coupling and the phase separation scenario. Copyright © EPLA, 2012. | ||||||||||||
| Persistent Identifier | http://hdl.handle.net/10722/148845 | ||||||||||||
| ISSN | 2021 Impact Factor: 1.958 2020 SCImago Journal Rankings: 0.625 | ||||||||||||
| ISI Accession Number ID |
Funding Information: This work was funded by the Research Grant Council of Hong Kong (Project No. HKU702409P), the National Natural Science Foundation of China (11004148, 11104202), the Natural Science Foundation of Tianjin (11JCZDJC21800, 11JCYBJC02700), and the Research Foundation of Tianjin Education Council (20090308), and SRF for ROCS, SEM. |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Wang, SY | - |
| dc.contributor.author | Gao, J | - |
| dc.date.accessioned | 2012-06-13T06:16:56Z | - |
| dc.date.available | 2012-06-13T06:16:56Z | - |
| dc.date.issued | 2012 | - |
| dc.identifier.citation | Europhysics Letters, 2012, v. 97 n. 5, article no. 57009 | - |
| dc.identifier.issn | 0295-5075 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/148845 | - |
| dc.description.abstract | Epitaxial La 0.8Ca 0.2MnO 3 (LCMO) thin films with varied thicknesses were successfully grown on 0.7Pb(Mg 1/3Nb 2/3)O 3-0.3PbTiO 3 (PMN-PT) substrates with pulsed-laser deposition. Due to a large lattice mismatch between LCMO and PMN-PT, in-plane tensile strain was introduced into the LCMO layers. The tensile strain could be controlled by varying the layer thickness of LCMO. It was found that the in-plane tensile strain in LCMO layers could enhance the electroresistance (ER) effect significantly. A maximum value of ER ((R 10 μA-R 1 mA)/R 10 μA×100%) was found to be ∼80% in a 10 nm thick LCMO film that suffered a 2.21% in-plane tensile strain. The mechanism for the impact of strain on the ER effect is discussed within the framework of the electron-lattice coupling and the phase separation scenario. Copyright © EPLA, 2012. | - |
| dc.language | eng | - |
| dc.publisher | Institute of Physics Publishing Ltd.. The Journal's web site is located at http://iopscience.iop.org/0295-5075 | - |
| dc.relation.ispartof | Europhysics Letters | - |
| dc.rights | Europhysics Letters. Copyright © Institute of Physics Publishing Ltd.. | - |
| dc.title | Colossal electroresistance in La0.8Ca0.2MnO3 films on 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 substrates | en_US |
| dc.type | Article | en_US |
| dc.identifier.email | Wang, SY: sywang26@hku.hk | - |
| dc.identifier.email | Gao, J: jugao@hku.hk | - |
| dc.description.nature | link_to_subscribed_fulltext | - |
| dc.identifier.doi | 10.1209/0295-5075/97/57009 | - |
| dc.identifier.scopus | eid_2-s2.0-84863231385 | - |
| dc.identifier.hkuros | 199870 | - |
| dc.identifier.volume | 97 | - |
| dc.identifier.issue | 5, article no. 57009 | - |
| dc.identifier.isi | WOS:000301952600035 | - |
| dc.publisher.place | United Kingdom | - |
| dc.identifier.issnl | 0295-5075 | - |