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Article: Rectifying characteristics, magnetic tunability, and photovoltaic response in La0.8Hf0.2MnO3/0.7 wt% Nb-SrTiO3 heteroepitaxial junctions
Title | Rectifying characteristics, magnetic tunability, and photovoltaic response in La0.8Hf0.2MnO3/0.7 wt% Nb-SrTiO3 heteroepitaxial junctions |
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Authors | |
Keywords | Diffusion voltage Heteroepitaxial Nb-doped srtio Photo-voltage Photovoltaic response |
Issue Date | 2012 |
Publisher | American Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jsp |
Citation | Journal of Applied Physics, 2012, v. 111 n. 7, article no. 07D723 How to Cite? |
Abstract | Heterojunctions composed of tetravalent cation-doped La 0.8Hf 0.2MnO 3 (LHMO) and 0.7 wt Nb-doped SrTiO 3 were fabricated using pulsed laser deposition method and investigated under different fields (electric, magnetic, and optic). The heterojunctions exhibited excellent rectifying behavior in a wide temperature range and significant magnetic field modulated properties. Prominent photovoltaic effect was also observed in the formed junctions. Special attention has been paid to the temperature dependence of the diffusion voltage (V d) and photovoltage (V oc). When temperature increased from 40 K to 300 K, V d decreased from 1.13 V to 0.16 V. It is notable that, under illumination of a light with λ = 532 nm, V oc dropped from 650 to 80 mV. No sudden change of V d and V oc was observed at the metal-insulator transition temperature, which is probably caused by the band structure of the LHMO. © 2012 American Institute of Physics. |
Persistent Identifier | http://hdl.handle.net/10722/183664 |
ISSN | 2023 Impact Factor: 2.7 2023 SCImago Journal Rankings: 0.649 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Wu, ZP | - |
dc.contributor.author | Wang, L | - |
dc.contributor.author | Gao, J | - |
dc.date.accessioned | 2013-06-14T07:40:11Z | - |
dc.date.available | 2013-06-14T07:40:11Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | Journal of Applied Physics, 2012, v. 111 n. 7, article no. 07D723 | - |
dc.identifier.issn | 0021-8979 | - |
dc.identifier.uri | http://hdl.handle.net/10722/183664 | - |
dc.description.abstract | Heterojunctions composed of tetravalent cation-doped La 0.8Hf 0.2MnO 3 (LHMO) and 0.7 wt Nb-doped SrTiO 3 were fabricated using pulsed laser deposition method and investigated under different fields (electric, magnetic, and optic). The heterojunctions exhibited excellent rectifying behavior in a wide temperature range and significant magnetic field modulated properties. Prominent photovoltaic effect was also observed in the formed junctions. Special attention has been paid to the temperature dependence of the diffusion voltage (V d) and photovoltage (V oc). When temperature increased from 40 K to 300 K, V d decreased from 1.13 V to 0.16 V. It is notable that, under illumination of a light with λ = 532 nm, V oc dropped from 650 to 80 mV. No sudden change of V d and V oc was observed at the metal-insulator transition temperature, which is probably caused by the band structure of the LHMO. © 2012 American Institute of Physics. | - |
dc.language | eng | - |
dc.publisher | American Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jsp | - |
dc.relation.ispartof | Journal of Applied Physics | - |
dc.rights | Copyright 2012 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, 2012, v. 111 n. 7, article no. 07D723 and may be found at https://doi.org/10.1063/1.3678491 | - |
dc.subject | Diffusion voltage | - |
dc.subject | Heteroepitaxial | - |
dc.subject | Nb-doped srtio | - |
dc.subject | Photo-voltage | - |
dc.subject | Photovoltaic response | - |
dc.title | Rectifying characteristics, magnetic tunability, and photovoltaic response in La0.8Hf0.2MnO3/0.7 wt% Nb-SrTiO3 heteroepitaxial junctions | en_US |
dc.type | Article | en_US |
dc.identifier.email | Wu, ZP: zpwuhku@hku.hk | - |
dc.identifier.email | Wang, L: wanglin1@hku.hk | - |
dc.identifier.email | Gao, J: jugao@hku.hk | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1063/1.3678491 | - |
dc.identifier.scopus | eid_2-s2.0-84861734372 | - |
dc.identifier.hkuros | 214841 | - |
dc.identifier.volume | 111 | - |
dc.identifier.issue | 7 | - |
dc.identifier.spage | article no. 07D723 | - |
dc.identifier.epage | article no. 07D723 | - |
dc.identifier.isi | WOS:000303282401186 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 0021-8979 | - |