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Anomalous magnetoresistance near the spin reorientation transition of dilute Gd-Y single crystals
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Santos, J. A. M., Collingwood, Joanna F., Sousa, J. B. and Palmer, S. B.. (2004) Anomalous magnetoresistance near the spin reorientation transition of dilute Gd-Y single crystals. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 272 (Suppl. 1). E491-E492. ISSN 0304-8853
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Official URL: http://dx.doi.org/10.1016/j.jmmm.2003.12.1297
Abstract
We report very detailed measurements of the magnetoresistance (MR) in the vicinity (+/-5 K) of the spin reorientation temperature (T-SR) for pure Gd and Gd1-xYx single crystals with x = 0.025 and 0.075. The temperature dependence of the a-axis magnetoresistance in pure Gd is always negative in the temperature range studied. In the dilute Gd - Y samples the low-field MR changes from negative above T-SR to positive for T<T-SR, becoming again negative below some lower temperature T*, where another phase transition takes place. (C) 2004 Elsevier B. V. All rights reserved.
| Item Type: | Journal Article | ||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
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| Journal or Publication Title: | JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | ||||
| Publisher: | ELSEVIER SCIENCE BV | ||||
| ISSN: | 0304-8853 | ||||
| Official Date: | May 2004 | ||||
| Dates: |
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| Volume: | 272 | ||||
| Number: | Suppl. 1 | ||||
| Number of Pages: | 2 | ||||
| Page Range: | E491-E492 | ||||
| Identification Number: | 10.1016/j.jmmm.2003.12.1297 | ||||
| Publication Status: | Published | ||||
| URI: | http://wrap.warwick.ac.uk/id/eprint/7646 |
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