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000028996 0247_ $$2DOI$$a10.1016/S0039-6028(03)00440-0
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000028996 041__ $$aeng
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000028996 084__ $$2WoS$$aChemistry, Physical
000028996 084__ $$2WoS$$aPhysics, Condensed Matter
000028996 1001_ $$0P:(DE-HGF)0$$aKröger, J.$$b0
000028996 245__ $$aSurface dynamics of Mo(110)-H and Mo(110)-Li
000028996 260__ $$aAmsterdam$$bElsevier$$c2003
000028996 300__ $$a170 - 174
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000028996 440_0 $$05673$$aSurface Science$$v530$$x0039-6028
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000028996 520__ $$aWe compare the surface dynamics of the adsorbate systems Mo(110)-H and Mo(110)-Li. In both cases electron energy loss spectroscopy measurements revealed strong substrate surface phonon anomalies. Whereas the phonon anomaly of the hydrogen-covered surface was unequivocally assigned to be of the Kohn type, the anomalous behavior of the surface phonons of the lithium-covered surface remained obscure. In this paper we develop an experimental criterion based on the dispersion of adsorbate phonons, which allows to decide whether the observed substrate surface phonon anomaly is of the Kohn type or not. Employing this criterion we now definitely rule out that the anomaly on Mo(110)-Li is due to the Kohn effect. (C) 2003 Elsevier Science B.V. All rights reserved.
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000028996 65320 $$2Author$$aelectron energy loss spectroscopy (EELS)
000028996 65320 $$2Author$$aphonons
000028996 65320 $$2Author$$asurface stress
000028996 7001_ $$0P:(DE-Juel1)VDB10798$$aLehwald, S.$$b1$$uFZJ
000028996 7001_ $$0P:(DE-Juel1)VDB5414$$aIbach, H.$$b2$$uFZJ
000028996 773__ $$0PERI:(DE-600)1479030-0$$a10.1016/S0039-6028(03)00440-0$$gVol. 530, p. 170 - 174$$p170 - 174$$q530<170 - 174$$tSurface science$$v530$$x0039-6028$$y2003
000028996 8567_ $$uhttp://dx.doi.org/10.1016/S0039-6028(03)00440-0
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000028996 915__ $$0StatID:(DE-HGF)0010$$aJCR/ISI refereed
000028996 9201_ $$0I:(DE-Juel1)VDB43$$d31.12.2006$$gISG$$kISG-3$$lInstitut für Grenzflächen und Vakuumtechnologien$$x0
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