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Physical Review B
Volumn 34, Issue 3, 1986, Pages 1689-1699
Magnetic properties of ferromagnet-antiferromagnet superlattice structures with mixed-spin antiferromagnetic sheets
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Indexed keywords

EID: 25344466408     PISSN: 01631829     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevB.34.1689     Document Type: Article
Times cited : (118)
References (15)
  • 12
    • 84926557063 scopus 로고    scopus 로고
    • In practice, the spins in the ferromagnetic films will usually align themselves parallel to the interfaces to avoid generating demagnetizing fields of dipolar origin. Thus we confine our attention to spin configurations of the superlattice for which all spins in each (110) plane are aligned parallel to the interfaces.
  • 13
    • 84926536927 scopus 로고    scopus 로고
    • In contrast, the ground-state spin arrangement of the (100) superlattice is different for NAFM odd than for NAFM even. Because the antiferromagnet consists of ferromagnetically aligned sheets of spins with ferromagnetic alignment alternately up and down, the moments in adjacent ferromagnetic films may alternate up and down (NAFM even), or have the same orientation (NAFM odd).
  • 14
    • 84926560655 scopus 로고    scopus 로고
    • In the absence of dipolar coupling, the Hamiltonian is invariant under rotations of the spin configuration about the axis, so we may choose to confine the spins to any plane we wish. As remarked in Ref. 12, in the presence of the dipolar interactions, in those spin configurations where a transverse moment is present, the spins will lie in the plane parallel to the interfaces.

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