| Autor: |
B. Sulkio-Cleff, J. Jaworski, M. Kąc, Marta Marszalek, Konstanty Marszałek, V. Tokman |
| Rok vydání: |
2004 |
| Předmět: |
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| Zdroj: |
Vacuum. 74:287-291 |
| ISSN: |
0042-207X |
| DOI: |
10.1016/j.vacuum.2003.12.145 |
| Popis: |
In this paper changes of structure and magnetotransport properties of Co/Cu multilayers were observed as a function of the Pb buffer layer thickness. Structural analysis indicated that the Pb buffer leads to the decay of superlattice periodicity. Surface topography of the top layer of the Co/Cu multilayers observed by SFM allowed the determination of surface roughness which is relatively large and weakly depends on buffer thickness. This effect is accompanied by the continuous rise of island size that reaches a diameter around 200 nm for Co/Cu multilayers deposited on 40 nm Pb buffer. AES experiments show significant segregation of Pb to the surface. A small magnetoresistance effect ΔR/R measured for Co/Cu multilayers deposited on an Pb buffer is almost independent of the thickness of the buffer layer. This behavior of ΔR/R could be understood by assuming that discontinuous ferromagnetic layers, bridged through the Cu spacer, are formed. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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