Disorder-driven hysteresis-loop criticality in Co/CoO-films. [electronic resource]
The effect of magnetic disorder on the magnetization reversal process in thin Co/CoO-films has been investigated. The antiferromagnetic CoO layer allows a reversible tuning of the magnetic disorder by simple temperature variation. For temperatures above a critical temperature T{sub c}, we observe a...
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Online Access |
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| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C : Oak Ridge, Tenn. :
United States. Dept. of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
2000.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Disorder-driven hysteresis-loop criticality in Co/CoO-films. |h [electronic resource] |
| 260 | |a Washington, D.C : |b United States. Dept. of Energy ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 2000. | ||
| 300 | |a 16 pages : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through the Information Bridge: DOE Scientific and Technical Information. | ||
| 500 | |a 11/01/2000. | ||
| 500 | |a "anl/msd/cp-102423" | ||
| 500 | |a 8th Joint Magnetism and Magnetic Materials - INTERMAG Conference, San Antonio, TX (US), 01/07/2001--01/11/2001. | ||
| 500 | |a Pearson, J. E.; Berger, A.; Jiang, J. S.; Bader, S. D.; Inomata, A. | ||
| 520 | 3 | |a The effect of magnetic disorder on the magnetization reversal process in thin Co/CoO-films has been investigated. The antiferromagnetic CoO layer allows a reversible tuning of the magnetic disorder by simple temperature variation. For temperatures above a critical temperature T{sub c}, we observe a discontinuous magnetization reversal, whereas smooth magnetization loops occur for T < T{sub c}. Our measurements establish the existence of a disorder-driven critical point in the non-equilibrium phase diagram. In addition, we observe scaling behavior in the vicinity of the critical point and determine the critical exponents to β = 0.022 ± 0.006 and βδ = 0.30 ± 0.03. | |
| 536 | |b W-31-109-ENG-38. | ||
| 650 | 7 | |a Order Parameters. |2 local. | |
| 650 | 7 | |a Cobalt Oxides. |2 local. | |
| 650 | 7 | |a Magnetization. |2 local. | |
| 650 | 7 | |a Cobalt. |2 local. | |
| 650 | 7 | |a Magnetic Materials. |2 local. | |
| 650 | 7 | |a Critical Temperature. |2 local. | |
| 650 | 7 | |a Phase Diagrams. |2 local. | |
| 650 | 7 | |a Materials Science. |2 edbsc. | |
| 710 | 2 | |a Argonne National Laboratory. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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| 952 | f | f | |p Can circulate |a University of Colorado Boulder |b Online |c Online |d Online |e E 1.99:anl/msd/cp-102423 |h Superintendent of Documents classification |i web |n 1 |