XMCD study of the Ruddlesden‐Popper‐phase La 1.2 Nd 0.2 Sr 1.6 Mn 2 O 7 | Zendy

Weigand F. | Zendy; Goering E. | Zendy; Geissler J. | Zendy; Justen M. | Zendy; Dörr K. | Zendy; Ruck K. | Zendy; Schütz G. | Zendy

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XMCD study of the Ruddlesden‐Popper‐phase La 1.2 Nd 0.2 Sr 1.6 Mn 2 O 7

Author(s) -

Weigand F.,

Goering E.,

Geissler J.,

Justen M.,

Dörr K.,

Ruck K.,

Schütz G.

Publication year - 2001

Publication title -

journal of synchrotron radiation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.172

H-Index - 99

ISSN - 1600-5775

DOI - 10.1107/s0909049500016903

Subject(s) - magnetic circular dichroism , magnetization , magnetic moment , x ray magnetic circular dichroism , polarization (electrochemistry) , condensed matter physics , phase (matter) , spectral line , physics , magnetic field , materials science , nuclear magnetic resonance , analytical chemistry (journal) , chemistry , quantum mechanics , astronomy , chromatography

X‐ray magnetic circular dichroism (XMCD) measurements of the Ruddlesden‐Popper Phase La 1.2 Nd 0.2 Sr 1.6 Mn 2 O 7 are reported. The Mn K, La and Nd L 2 ,L 3 edges have been measured on a powder sample at two different magnetic fields at low temperature. The analysis of the spectra at B = 1T indicates a large orbital moment of the Nd 5 d ‐states and a significant spin‐polarization of the La 5 d ‐band. Furthermore at the Mn K ‐edge a XMCD‐signal is observed, showing a polarization of the Mn 4 p ‐band. At lower field (0.2T) all XMCD‐signals are about two times smaller corresponding to the lower total magnetization. The signal at the Nd L 2 edge vanishes completely at 0.2T.

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