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Spiral-spin configuration

Spiral-spin configurations were reported for compositions with... [Pg.294]

Therefore, the cubic phase is metallic below as well as above T, and the room-temperature Mossbauer spectra can be treated as an averaged charge state. At 4.2 K, in the AFM phase below Tn, Mossbauer parameters can distinguish Fe(III) from Fe(IV) ions, but the isomer shifts at the Fe(III) remain anomalously low [240]. The ferromagnetic-spiral spin configuration with q [111] found [48, 49] below Tn = 134 K in SrFeOs is probably retained throughout the cubic phase. [Pg.88]

A spiral configuration with [230] screw axis, 4> — 2w/15, spins within (140), and antiferromagnetism along c axis is reported. [Pg.108]

This represents a set of p spirals, one on each sublattice v, having respective phases 0 . It is the only configuration derivable from equation 145 that has, to within rotations of the plane of the spins, Sly independent of n. With this equation, the strong constraints of equation 134 become p equations in the p unknowns 0. . . 0P ... [Pg.133]

In other more complex cases, the spins can take on a configuration that is not well approximated as a perturbed collinear configuration and such is the case for the spiral or helimagnetic ordering depicted in Figure 1. Noncollinear configurations are also observed in the family of so-called geometrically frustrated materials to be discussed later. [Pg.2439]

One way forward from this point is to carry out calculations of Q " ( e ) for a selection of configurations ( spin spirals, two impurities in a ferromagnet, magnetically ordered superceUs, etc.) by making some assumptions about the most dominant fluctuations. One then fits the set of Q " ( e ) s to a simple functional form. Typically a classical Heisenberg model, Q " ( e ) = is set up... [Pg.79]


See other pages where Spiral-spin configuration is mentioned: [Pg.275]    [Pg.276]    [Pg.137]    [Pg.240]    [Pg.279]    [Pg.349]    [Pg.10]    [Pg.11]    [Pg.37]    [Pg.275]    [Pg.276]    [Pg.275]    [Pg.276]    [Pg.137]    [Pg.240]    [Pg.279]    [Pg.349]    [Pg.10]    [Pg.11]    [Pg.37]    [Pg.275]    [Pg.276]    [Pg.12]    [Pg.2]    [Pg.108]    [Pg.109]    [Pg.134]    [Pg.134]    [Pg.135]    [Pg.136]    [Pg.142]    [Pg.244]    [Pg.282]    [Pg.315]    [Pg.192]    [Pg.268]    [Pg.31]    [Pg.205]    [Pg.507]    [Pg.222]    [Pg.323]    [Pg.153]    [Pg.220]    [Pg.248]    [Pg.354]    [Pg.2590]    [Pg.249]    [Pg.426]    [Pg.1087]    [Pg.364]    [Pg.108]   
See also in sourсe #XX -- [ Pg.275 , Pg.276 ]

See also in sourсe #XX -- [ Pg.275 , Pg.276 ]




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Spin configurations

Spiral

Spiralator

Spiraling

Spirality

Spiralling

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