Embedded atom contributions to the magnetic EXAFS

D. Ahlers; G. Schütz

doi:10.1051/jp4/1997053

Embedded atom contributions to the magnetic EXAFS

D. Ahlers, G. Schütz

University Hospital Augsburg

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Abstract

Measurements at the L_2/3-edges of Rare-Earth (RE) metallic systems show a smooth low-frequent background on which the magnetic EXAFS are superimposed. While this background is rather strong at the L_2/3-edges it is vanishing at the L₁-edge. It is also not observed at the K-edge of Transition Metals and only very weak in RE oxides. It is shown that the oscillating contribution to the magnetic EXAFS does only depend on the spin-polarization of the neighboring atoms: But the ratio of this low-frequent background at the L₂- and L₃-edges reflect the existence of an orbital momentum similar as it is found in the corresponding near-edge X-MCD.

Original language	English
Pages (from-to)	C2-461-C2-462
Journal	Journal De Physique. IV : JP
Volume	7
Issue number	2 Part 1
DOIs	https://doi.org/10.1051/jp4/1997053
State	Published - 1997
Externally published	Yes

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abstract = "Measurements at the L2/3-edges of Rare-Earth (RE) metallic systems show a smooth low-frequent background on which the magnetic EXAFS are superimposed. While this background is rather strong at the L2/3-edges it is vanishing at the L1-edge. It is also not observed at the K-edge of Transition Metals and only very weak in RE oxides. It is shown that the oscillating contribution to the magnetic EXAFS does only depend on the spin-polarization of the neighboring atoms: But the ratio of this low-frequent background at the L2- and L3-edges reflect the existence of an orbital momentum similar as it is found in the corresponding near-edge X-MCD.",

author = "D. Ahlers and G. Sch{\"u}tz",

year = "1997",

doi = "10.1051/jp4/1997053",

language = "English",

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pages = "C2--461--C2--462",

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T1 - Embedded atom contributions to the magnetic EXAFS

AU - Ahlers, D.

AU - Schütz, G.

PY - 1997

Y1 - 1997

N2 - Measurements at the L2/3-edges of Rare-Earth (RE) metallic systems show a smooth low-frequent background on which the magnetic EXAFS are superimposed. While this background is rather strong at the L2/3-edges it is vanishing at the L1-edge. It is also not observed at the K-edge of Transition Metals and only very weak in RE oxides. It is shown that the oscillating contribution to the magnetic EXAFS does only depend on the spin-polarization of the neighboring atoms: But the ratio of this low-frequent background at the L2- and L3-edges reflect the existence of an orbital momentum similar as it is found in the corresponding near-edge X-MCD.

AB - Measurements at the L2/3-edges of Rare-Earth (RE) metallic systems show a smooth low-frequent background on which the magnetic EXAFS are superimposed. While this background is rather strong at the L2/3-edges it is vanishing at the L1-edge. It is also not observed at the K-edge of Transition Metals and only very weak in RE oxides. It is shown that the oscillating contribution to the magnetic EXAFS does only depend on the spin-polarization of the neighboring atoms: But the ratio of this low-frequent background at the L2- and L3-edges reflect the existence of an orbital momentum similar as it is found in the corresponding near-edge X-MCD.

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U2 - 10.1051/jp4/1997053

DO - 10.1051/jp4/1997053

M3 - Article

AN - SCOPUS:4143112512

SN - 1155-4339

VL - 7

SP - C2-461-C2-462

JO - Journal De Physique. IV : JP

JF - Journal De Physique. IV : JP

IS - 2 Part 1

ER -

Embedded atom contributions to the magnetic EXAFS

Abstract

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