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| Content Provider | Springer Nature Link |
|---|---|
| Author | Lin, Ling Fang Wu, Ling Zhi Dong, Shuai |
| Copyright Year | 2016 |
| Abstract | A Kondo-like effect, namely, the upturn of resistivity at low temperatures, is observed in perovskite manganite when nonmagnetic insulators are doped as secondary phase. In this paper, the low-temperature resistivity upturn effect has been argued to originate from interfacial magnetic phase reconstruction. Heisenberg spin lattices have been simulated using the Monte Carlo method to reveal phase competition around secondary phase boundary, namely, manganite-insulator boundary that behaves with a weak antiferromagnetic tendency. Moreover, the resistor network model based on double-exchange conductive mechanism reproduces the low-temperature resistivity upturn effect. Our work provides a reasonable physical mechanism to understand the novel transport behaviors in microstructures of correlated electron systems. |
| Starting Page | 1 |
| Ending Page | 5 |
| Page Count | 5 |
| File Format | |
| ISSN | 20950462 |
| Journal | Frontiers of Physics |
| Volume Number | 11 |
| Issue Number | 6 |
| e-ISSN | 20950470 |
| Language | English |
| Publisher | Higher Education Press |
| Publisher Date | 2016-05-31 |
| Publisher Institution | Chinese Universities |
| Publisher Place | Beijing |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | manganite Kondo-like effect manganite-insulator composites phase competition Magnetic oxides Colossal magnetoresistance Electronic transport in nanoscale materials and structures Atomic, Molecular, Optical and Plasma Physics Condensed Matter Physics Particle and Nuclear Physics Astronomy, Astrophysics and Cosmology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy |
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