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https://doi.org/10.1016/j.physb.2008.01.003
| Title: | Modulation of the transport behavior by magnetic field in (La0.8Bi0.2)0.67Ca0.33MnO3/SrNb0.008Ti0.992O3 oxide heterojunction | Authors: | Yan, L. Zhang, X.Y. Liu, H.J. Ong, C.K. |
Keywords: | All-oxide junction Magnetoresistance Rectifying effect |
Issue Date: | 1-Jul-2008 | Citation: | Yan, L., Zhang, X.Y., Liu, H.J., Ong, C.K. (2008-07-01). Modulation of the transport behavior by magnetic field in (La0.8Bi0.2)0.67Ca0.33MnO3/SrNb0.008Ti0.992O3 oxide heterojunction. Physica B: Condensed Matter 403 (13-16) : 2446-2449. ScholarBank@NUS Repository. https://doi.org/10.1016/j.physb.2008.01.003 | Abstract: | All-oxide heterojunction was fabricated by depositing manganite (La0.8Bi0.2)0.67Ca0.33MnO3 (LBCMO) thin layer on n-type semiconductive SrNb0.008Ti0.992O3 (SNTO) substrate. The current-voltage curve (I-V) of the heterostructure showed rectifying characteristics at temperatures ranging from 80 to 200 K and non-rectifying behavior at temperatures higher than 240 K. The current flowing through the heterojunction at a given biased voltage can be modulated by the external magnetic field. The effect of the magnetic field on the magnetoresistance (MR) was more pronounced at a negative bias voltage (MR=-23.6%) than that at a positive bias voltage (MR=-4.4%) under the magnetic field of 10 kOe. © 2008 Elsevier B.V. All rights reserved. | Source Title: | Physica B: Condensed Matter | URI: | http://scholarbank.nus.edu.sg/handle/10635/115190 | ISSN: | 09214526 | DOI: | 10.1016/j.physb.2008.01.003 |
| Appears in Collections: | Staff Publications |
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