Elementary excitations at magnetic surfaces and their spin dependence

Y Zhang; P Ignatiev; J Prokop; I Tudosa; T R F Peixoto; Wen-Xin Tang; Kh Zakeri; V Stepanyuk; J Kirschner

doi:10.1103/PhysRevLett.106.127201

Elementary excitations at magnetic surfaces and their spin dependence

Y Zhang, P Ignatiev, J Prokop, I Tudosa, T R F Peixoto, Wen-Xin Tang, Kh Zakeri, V Stepanyuk, J Kirschner

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26 Citations (Scopus)

Abstract

The elementary surface excitations are studied by spin-polarized electron energy loss spectroscopy on a prototype oxide surface [an oxygen passivated Fe(001)-p(1??1) surface], where the various excitations coexist. For the first time, the surface phonons and magnons are measured simultaneously and are distinguished based on their different spin nature. The dispersion relation of all excitations is probed over the entire Brillouin zone. The different phonon modes observed in our experiment are described by means of ab initio calculations.

Original language	English
Pages (from-to)	1 - 4
Number of pages	4
Journal	Physical Review Letters
Volume	106
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevLett.106.127201
Publication status	Published - 2011

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10.1103/PhysRevLett.106.127201

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abstract = "The elementary surface excitations are studied by spin-polarized electron energy loss spectroscopy on a prototype oxide surface [an oxygen passivated Fe(001)-p(1??1) surface], where the various excitations coexist. For the first time, the surface phonons and magnons are measured simultaneously and are distinguished based on their different spin nature. The dispersion relation of all excitations is probed over the entire Brillouin zone. The different phonon modes observed in our experiment are described by means of ab initio calculations.",

author = "Y Zhang and P Ignatiev and J Prokop and I Tudosa and Peixoto, {T R F} and Wen-Xin Tang and Kh Zakeri and V Stepanyuk and J Kirschner",

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AU - Zhang, Y

AU - Ignatiev, P

AU - Prokop, J

AU - Tudosa, I

AU - Peixoto, T R F

AU - Tang, Wen-Xin

AU - Zakeri, Kh

AU - Stepanyuk, V

AU - Kirschner, J

PY - 2011

Y1 - 2011

N2 - The elementary surface excitations are studied by spin-polarized electron energy loss spectroscopy on a prototype oxide surface [an oxygen passivated Fe(001)-p(1??1) surface], where the various excitations coexist. For the first time, the surface phonons and magnons are measured simultaneously and are distinguished based on their different spin nature. The dispersion relation of all excitations is probed over the entire Brillouin zone. The different phonon modes observed in our experiment are described by means of ab initio calculations.

AB - The elementary surface excitations are studied by spin-polarized electron energy loss spectroscopy on a prototype oxide surface [an oxygen passivated Fe(001)-p(1??1) surface], where the various excitations coexist. For the first time, the surface phonons and magnons are measured simultaneously and are distinguished based on their different spin nature. The dispersion relation of all excitations is probed over the entire Brillouin zone. The different phonon modes observed in our experiment are described by means of ab initio calculations.

UR - http://prl.aps.org.ezproxy.lib.monash.edu.au/pdf/PRL/v106/i12/e127201

U2 - 10.1103/PhysRevLett.106.127201

DO - 10.1103/PhysRevLett.106.127201

M3 - Article

SN - 0031-9007

VL - 106

SP - 1

EP - 4

JO - Physical Review Letters

JF - Physical Review Letters

IS - 12

ER -

Elementary excitations at magnetic surfaces and their spin dependence

Abstract

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