Strong Fano effect in the magnetic circular dichroism of the PtN6,7score absorption of ferromagneticCoPt | Zendy

Tatsuya Shishidou | Zendy; Sumi Imada | Zendy; Takayuki Muro | Zendy; F. Oda | Zendy; A. Kimura | Zendy; S. Suga | Zendy; T. Miyahara | Zendy; T. Kanomata | Zendy; T. Kaneko | Zendy

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Strong Fano effect in the magnetic circular dichroism of the PtN6,7score absorption of ferromagneticCoPt

Author(s) -

Tatsuya Shishidou,

Sumi Imada,

Takayuki Muro,

F. Oda,

A. Kimura,

S. Suga,

T. Miyahara,

T. Kanomata,

T. Kaneko

Publication year - 1997

Publication title -

physical review. b, condensed matter

Language(s) - English

Resource type - Journals

eISSN - 1095-3795

pISSN - 0163-1829

DOI - 10.1103/physrevb.55.3749

Subject(s) - fano plane , magnetic circular dichroism , physics , spectral line , line (geometry) , circular dichroism , dipole , ferromagnetism , crystallography , condensed matter physics , atomic physics , quantum mechanics , chemistry , geometry , mathematics

We report the core photoabsorption (XAS) and magnetic circular dichroism (MCD) spectra in the Pt N{sub 6,7}(4f{r_arrow}5d) region of the ferromagnetic CoPt{sub 3}. The measured XAS spectra have shown typical Fano line shapes, and the MCD spectrum has shown very unusual features that cannot be explained within the framework of the conventional selection rule for the dipole transition. It is revealed from a theoretical analysis that the strong Fano effect is essential to interpret these MCD features. We will discuss in detail the influence of the Fano effect on the Pt N{sub 6,7} MCD line shape. {copyright} {ital 1997} {ital The American Physical Society}

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