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Magnetic coupling and exchange stiffness in striped MnAs films

Abstract:
We provide the first direct evidence of interactions in a self-organized pattern of coexisting ferromagnetic and paramagnetic MnAs stripe domains as a function of the coupling strength between the stripes (inter) and within one stripe (intra). The value of the intra exchange constant A = 17.7 × 1010 erg/cm is determined unambiguously from spin wave resonance. Additionally, in-plane ferromagnetic resonance measurements reveal the presence of a strong coupling between the neighboring stripes, which can dominate the weak intra-stripe interaction.
Publication status:
Published

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Publisher copy:
10.1209/epl/i2004-10263-9

Authors


Tolinski, T More by this author
Lindner, J More by this author
Baberschke, K More by this author
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Journal:
EUROPHYSICS LETTERS
Volume:
68
Issue:
5
Pages:
726-732
Publication date:
2004-12-05
DOI:
EISSN:
1286-4854
ISSN:
0295-5075
URN:
uuid:829aa977-389f-4201-9075-7384fe8ab1d8
Source identifiers:
151477
Local pid:
pubs:151477
Language:
English

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