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Effect of exchange springs on the coercivity of DyFe2-YFe2 superlattices

Abstract:

The coercivity of MBE-grown Laves-phase DyFe2-YFe2 thin-layered (≤ 50 Å) superlattice samples, with a (110) growth direction, can be varied by adjusting the relative thickness of the YFe 2 and DyFe2 layers. However, for sufficiently thick layers, the coercivity is found to be dependent on the thickness of the YFe 2 layers, even when the ratio of DyFe2/YFe2 is fixed. This feature is illustrated using the superlattice films [wDyFe 2/wYFe2] x 40, with, w = 75, 100 and 150 A. The underlying reaso...

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Publication status:
Published

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Journal:
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume:
226
Issue:
PART II
Pages:
1714-1716
Publication date:
2001-05-05
DOI:
ISSN:
0304-8853
URN:
uuid:15320beb-c472-47d1-b595-14b5b4cc3e71
Source identifiers:
202739
Local pid:
pubs:202739

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