Determination of the electronic density of states near buried interfaces: Application to Co/Cu multilayers

A. Nilsson; J. Sthör; T. Wiell; M. Aldén; P. Bennich; N. Wassdahl; M.G. Samant; S.S.P. Parkin; N. Mårtensson; J. Nordgren; B. Johansson; Hans Lomholt Skriver

doi:10.1103/PhysRevB.54.2917

Determination of the electronic density of states near buried interfaces: Application to Co/Cu multilayers

A. Nilsson, J. Sthör, T. Wiell, M. Aldén, P. Bennich, N. Wassdahl, M.G. Samant, S.S.P. Parkin, N. Mårtensson, J. Nordgren, B. Johansson, Hans Lomholt Skriver

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Abstract

High-resolution L(3) x-ray absorption and emission spectra of Co and Cu in Co/Cu multilayers are shown to provide unique information on the occupied and unoccupied density of d states near buried interfaces. The d bands of both Co and Cu interfacial layers are shown to be considerably narrowed relative to the bulk metals, and for Cu interface layers the d density of states is found to be enhanced near the Fermi level. The experimental results are confirmed by self-consistent electronic structure calculations.

Original language	English
Journal	Physical Review B Condensed Matter
Volume	54
Issue number	4
Pages (from-to)	2917-2921
ISSN	0163-1829
DOIs	https://doi.org/10.1103/PhysRevB.54.2917
Publication status	Published - 1996

Bibliographical note

Copyright (1996) American Physical Society.

Keywords

SPECTROSCOPY
EXTRA-ATOMIC RELAXATION
SPECTRA
FE
SYNCHROTRON-RADIATION
DICHROISM
X-RAY-FLUORESCENCE
ABSORPTION
EMISSION
NARROW-BAND METALS

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Nilsson, A., Sthör, J., Wiell, T., Aldén, M., Bennich, P., Wassdahl, N., Samant, M. G., Parkin, S. S. P., Mårtensson, N., Nordgren, J., Johansson, B., & Skriver, H. L. (1996). Determination of the electronic density of states near buried interfaces: Application to Co/Cu multilayers. Physical Review B Condensed Matter, 54(4), 2917-2921. https://doi.org/10.1103/PhysRevB.54.2917

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title = "Determination of the electronic density of states near buried interfaces: Application to Co/Cu multilayers",

abstract = "High-resolution L(3) x-ray absorption and emission spectra of Co and Cu in Co/Cu multilayers are shown to provide unique information on the occupied and unoccupied density of d states near buried interfaces. The d bands of both Co and Cu interfacial layers are shown to be considerably narrowed relative to the bulk metals, and for Cu interface layers the d density of states is found to be enhanced near the Fermi level. The experimental results are confirmed by self-consistent electronic structure calculations.",

keywords = "SPECTROSCOPY, EXTRA-ATOMIC RELAXATION, SPECTRA, FE, SYNCHROTRON-RADIATION, DICHROISM, X-RAY-FLUORESCENCE, ABSORPTION, EMISSION, NARROW-BAND METALS",

author = "A. Nilsson and J. Sth{\"o}r and T. Wiell and M. Ald{\'e}n and P. Bennich and N. Wassdahl and M.G. Samant and S.S.P. Parkin and N. M{\aa}rtensson and J. Nordgren and B. Johansson and Skriver, {Hans Lomholt}",

note = "Copyright (1996) American Physical Society.",

year = "1996",

doi = "10.1103/PhysRevB.54.2917",

language = "English",

volume = "54",

pages = "2917--2921",

journal = "Physical Review B Condensed Matter",

issn = "0163-1829",

publisher = "American Physical Society",

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Nilsson, A, Sthör, J, Wiell, T, Aldén, M, Bennich, P, Wassdahl, N, Samant, MG, Parkin, SSP, Mårtensson, N, Nordgren, J, Johansson, B & Skriver, HL 1996, 'Determination of the electronic density of states near buried interfaces: Application to Co/Cu multilayers', Physical Review B Condensed Matter, vol. 54, no. 4, pp. 2917-2921. https://doi.org/10.1103/PhysRevB.54.2917

TY - JOUR

T1 - Determination of the electronic density of states near buried interfaces: Application to Co/Cu multilayers

AU - Nilsson, A.

AU - Sthör, J.

AU - Wiell, T.

AU - Aldén, M.

AU - Bennich, P.

AU - Wassdahl, N.

AU - Samant, M.G.

AU - Parkin, S.S.P.

AU - Mårtensson, N.

AU - Nordgren, J.

AU - Johansson, B.

AU - Skriver, Hans Lomholt

N1 - Copyright (1996) American Physical Society.

PY - 1996

Y1 - 1996

N2 - High-resolution L(3) x-ray absorption and emission spectra of Co and Cu in Co/Cu multilayers are shown to provide unique information on the occupied and unoccupied density of d states near buried interfaces. The d bands of both Co and Cu interfacial layers are shown to be considerably narrowed relative to the bulk metals, and for Cu interface layers the d density of states is found to be enhanced near the Fermi level. The experimental results are confirmed by self-consistent electronic structure calculations.

AB - High-resolution L(3) x-ray absorption and emission spectra of Co and Cu in Co/Cu multilayers are shown to provide unique information on the occupied and unoccupied density of d states near buried interfaces. The d bands of both Co and Cu interfacial layers are shown to be considerably narrowed relative to the bulk metals, and for Cu interface layers the d density of states is found to be enhanced near the Fermi level. The experimental results are confirmed by self-consistent electronic structure calculations.

KW - SPECTROSCOPY

KW - EXTRA-ATOMIC RELAXATION

KW - SPECTRA

KW - FE

KW - SYNCHROTRON-RADIATION

KW - DICHROISM

KW - X-RAY-FLUORESCENCE

KW - ABSORPTION

KW - EMISSION

KW - NARROW-BAND METALS

U2 - 10.1103/PhysRevB.54.2917

DO - 10.1103/PhysRevB.54.2917

M3 - Journal article

SN - 0163-1829

VL - 54

SP - 2917

EP - 2921

JO - Physical Review B Condensed Matter

JF - Physical Review B Condensed Matter

IS - 4

ER -

Determination of the electronic density of states near buried interfaces: Application to Co/Cu multilayers

Abstract

Bibliographical note

Keywords

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