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Charge and spin dynamics in the electron-doped high temperature superconducting cuprates
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UNSPECIFIED (2004) Charge and spin dynamics in the electron-doped high temperature superconducting cuprates. In: International Conference on Advanced Materials and Nanotechnology, WELLINGTON, NEW ZEALAND, FEB 09-14, 2003. Published in: CURRENT APPLIED PHYSICS, 4 (2-4). pp. 280-283. doi:10.1016/j.cap.2003.11.028 ISSN 1567-1739.
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Official URL: http://dx.doi.org/10.1016/j.cap.2003.11.028
Abstract
We show that the Cu-63 and O-17 NMR spin-lattice relaxation rates from the electron-doped high temperature superconducting cuprates (HTSC), Sr0.9La0.1CuO2 and Pr1.85Ce0.15CuO4 are consistent with antiferromagnetic spin fluctuations in the CuO2 planes. However, unlike the hole-doped HTSC, there is no normal-state pseudogap or spin-gap. Furthermore, there is no evidence for a slowing down of the spin dynamics that is observed in underdoped and hole-doped HTSC and attributed to electronic phase separation. We also find that the normal-state static spin Susceptibility in Sr0.9La0.1CuO2 is only similar to15% of that observed in the hole-doped HTSC. (C) 2003 Elsevier B.V. All rights reserved.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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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: | CURRENT APPLIED PHYSICS | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 1567-1739 | ||||
Official Date: | April 2004 | ||||
Dates: |
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Volume: | 4 | ||||
Number: | 2-4 | ||||
Number of Pages: | 4 | ||||
Page Range: | pp. 280-283 | ||||
DOI: | 10.1016/j.cap.2003.11.028 | ||||
Publication Status: | Published | ||||
Title of Event: | International Conference on Advanced Materials and Nanotechnology | ||||
Location of Event: | WELLINGTON, NEW ZEALAND | ||||
Date(s) of Event: | FEB 09-14, 2003 |
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