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Author  |
Alejandro, G.; Steren, L. B.; Pastoriza, H.; Vega, D.; Granada, M.; Rojas Sánchez, J. C.; Sirena, M.; Alascio, B. | ||||
| Title | Magnetoresistance effect in (La, Sr)MnO_3 bicrystalline films | Type | Journal Article | ||
| Year | 2010 | Publication | Journal of Physics: Condensed Matter | Abbreviated Journal | |
| Volume | 22 | Issue | 34 | Pages | 346007 |
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| Abstract | The angular dependence of the magnetoresistance effect has been measured on bicrystalline La 0.75 Sr 0.25 MnO 3 films. The measurements have been performed on an electronically lithographed Wheatstone bridge. The study of the angular dependence of both the magnetoresistance and the resistance of single-crystalline and grain-boundary regions of the samples allowed us to isolate two contributions of low-field magnetoresistance in manganites. One of them is associated with the spin–orbit effect, i.e. the anisotropic magnetoresistance of ferromagnetic compounds, and the other one is related to spin-disorder regions at the grain boundary. Complementary x-ray diffraction, ferromagnetic resonance and low temperature magnetization experiments contribute to the characterization of the magnetic anisotropy of the samples and the general comprehension of the problem. | ||||
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| ISSN | 0953-8984 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | BT @ hernan @ | Serial | 596 | ||
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| Author |
Bressan, O.J.; Ridner, A.E.; Luengo, C.A.; Alascio, B. | ||||
| Title | On the evidence for electron-electron scattering in the electrical resistivity of In | Type | Journal Article | ||
| Year | 1970 | Publication | Solid State Communications | Abbreviated Journal | Solid State Commun. |
| Volume | 8 | Issue | 24 | Pages | 2129-2133 |
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| Abstract | Experimental measurements of the electrical magnetoresistivity of high purity Indium at low temperatures have been performed and clearly indicate that: 1. (a) A generalized Kohler's rule can be used to describe all experiments. 2. (b) A reliable method is therefore obtained for extrapolating the zero magnetic field resistivity to temperatures below the superconducting transition temperature. 3. (c) Clear-cut and reliable data show that no T2 dependence of the resistance is found; therefore no evidence of electron-electron interaction appears, contrary to information previously reported in the literature. |
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| ISSN | 0038-1098 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | BT @ pedrazp @ | Serial | 548 | ||
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| Author |
Correa,V. F.; Haberkorn, N.; Nieva, G.; García, D. J.; Alascio, B. | ||||
| Title | Unusual large magnetostriction in the ferrimagnet Gd2/3Ca1/3MnO3 | Type | Journal Article | ||
| Year | 2012 | Publication | EUROPHYSICS LETTERS | Abbreviated Journal | Europhys. Lett. |
| Volume | 98 | Issue | Pages | 37003 | |
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| Notes | Approved | no | |||
| Call Number | BT @ victor.correa @ | Serial | 642 | ||
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