Magnetic anisotropy in the electron momentum density of iron

Cooper, Malcolm; Collins, Stephen P.; Timms, D N; Brahmia, A; Kane, P.P.; Holt, R S; Laundy, D.

doi:10.1038/333151a0

Cited by 42 publications

(11 citation statements)

References 21 publications

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“…Experiments on ferromagnetic iron and nickel, using polarized photons from an electron synchrotron source, have been reported by Cooper et al (1988) and Timms et al ( 1990). Directional spin-weighted momentum profiles show features that do not appear in calculations based on the augmented plane wave method for the electronic structure or metals (Callaway t 991 ).…”

Section: Prologuementioning

confidence: 99%

Photon scattering by magnetic solids

Lovesey

1993

Rep. Prog. Phys.

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Bohr radius an = 1i 2 /me 2 0.529A Planck's constant/27r 1i 0.658 me V psec Rydberg Roo = 1 /2mc2 a. 2 = e2f2a 0 13.606 eV Fine-structure constant ex = e 2 /1ic 11137.04 Rest mass energy of the mc2 0.511 MeV electron Bohr magneton ~-tn = ent2mc 0.579 x 10-1 me V T-1 Classical radius of the re= e2fmc2 0.282 x 1Q-12cm electron n 2 /2m 3.810 eV A2 Energy Units 1 meV = 0.24 THz = 8.07 cm-1 = 11.61 K General Units magnetic field T (Tesla) = 1Q4 gauss psec = w-12 sec MeV = 106 eV: me V= lQ-3 eV A= w-8 cm 1.

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Section: Prologuementioning

confidence: 99%

Photon scattering by magnetic solids

Lovesey

1993

Rep. Prog. Phys.

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“…The theory also predicts large anisotropic negative spin polarization of itinerant electrons reflecting lattice symmetry. Clear evidence of the anisotropy was given by Cooper et al (1988) on crystalline Fe-3 wt%Si.…”

Section: L Fementioning

confidence: 96%

Magnetic Compton Scattering and Measurements of Momentum Distribution of Magnetic Electrons

Sakai¹

1996

J Appl Cryst

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Recent progress in the field of magnetic Compton scattering is reviewed and new momentum-space information about electronic states in magnetic materials is emphasized. Theoretical derivation of the magnetic Compton scattering cross section is made within the framework of the nonrelativistic Hamiltonian of electrons in the electromagnetic field. Discussion on the orbital-spin contribution to the magnetic Compton scattering is also included as a Compton limit. The feasibility of the magnetic Compton scattering experiment using circularly polarized hard synchrotron radiation is demonstrated by many recent experimental results.

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“…2. Further line-shape analysis is aimed at determining whether the diffuse component is a delocalized free electron contribution, as found in elemental ferromagnets such as Fe and Ni [16][17][18], or a diffuse component associated with the Ho site, e.g., a 5^-like contribution [19,20]. Irrespective of this point the reversal in sign of 0 100 200 300…”

Section: Ly-mentioning

confidence: 98%