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Volumn 75, Issue 1, 1995, Pages 152-155

Experimental confirmation of the x-ray magnetic circular dichroism sum rules for iron and cobalt

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EID: 3342975547     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevLett.75.152     Document Type: Article
Times cited : (1646)

References (26)
  • 3
    • 0001239923 scopus 로고
    • ibid.
    • (1991) , vol.44 , pp. 4697
    • Koide, T.1
  • 7
    • 0002845307 scopus 로고
    • Synchrotron Radiation in the Study of Magnetism
    • The previous neutron form factor analyses did not provide an independent determination for the orbital to spin moment ratios, and the neutron results quoted by Ref. [c3] are inappropriate for quantitative comparisons. For a discussion of the neutron results, see for example
    • (1994) Journal of Synchrotron Radiation , vol.1 , pp. 83
    • McWhan, D.B.1
  • 21
  • 25
    • 0000526068 scopus 로고
    • ibid., These works showed that the 4 s and 4p have no contribution to the orbital moments, but they do have small negative contributions to the spin moments. The calculated 3d, 4s, and 4p contributions to the spin moments are 2.26, -0.012, and -0.06 for bcc Fe, and 1.64, -0.014, and -0.06 for hcp Co (in units of μB/atom).
    • (1990) , vol.42 , pp. 2707
    • Eriksson, O.1    Johansson, B.2    Albers, R.C.3    Boring, A.M.4
  • 26
    • 84931523690 scopus 로고    scopus 로고
    • We found that, by using the 2p3/2,1/2 binding energies determined by XPS, i.e., 706.75 (777.90) and 719.95 (792.95) eV, for the L3,2 ionization thresholds, the r value will change by only -1.7% +0.7% for Fe (Co). The average intensity of the last 10 or 20 eV of the XAS spectra was found to be within 0.5% of that of the last 15 eV. Our computer simulation shows that XAS spectra taken with 2 eV worse photon energy resolution will increase the r value by only 0.7% for Fe and 1.4% for Co, if one follows the same XAS definition of the two-step-like function mentioned in the text.


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