000887943 001__ 887943 000887943 005__ 20230426083223.0 000887943 0247_ $$2doi$$a10.1103/PhysRevB.102.165405 000887943 0247_ $$2ISSN$$a0163-1829 000887943 0247_ $$2ISSN$$a0556-2805 000887943 0247_ $$2ISSN$$a1050-2947 000887943 0247_ $$2ISSN$$a1094-1622 000887943 0247_ $$2ISSN$$a1095-3795 000887943 0247_ $$2ISSN$$a1098-0121 000887943 0247_ $$2ISSN$$a1538-4446 000887943 0247_ $$2ISSN$$a1538-4489 000887943 0247_ $$2ISSN$$a1550-235X 000887943 0247_ $$2ISSN$$a2469-9950 000887943 0247_ $$2ISSN$$a2469-9969 000887943 0247_ $$2ISSN$$a2469-9977 000887943 0247_ $$2Handle$$a2128/26212 000887943 0247_ $$2altmetric$$aaltmetric:92419321 000887943 0247_ $$2WOS$$aWOS:000576600700007 000887943 037__ $$aFZJ-2020-04535 000887943 082__ $$a530 000887943 1001_ $$0P:(DE-Juel1)128768$$aIbach, Harald$$b0$$eCorresponding author 000887943 245__ $$aQuantum motion of hydrogen on Ni(100) surfaces 000887943 260__ $$aWoodbury, NY$$bInst.$$c2020 000887943 3367_ $$2DRIVER$$aarticle 000887943 3367_ $$2DataCite$$aOutput Types/Journal article 000887943 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1605708579_23296 000887943 3367_ $$2BibTeX$$aARTICLE 000887943 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000887943 3367_ $$00$$2EndNote$$aJournal Article 000887943 520__ $$aVibration modes of hydrogen atoms on Ni(100) are studied. The number of observed energy losses as well as their full width at half maximum (FWHM) are incompatible with the classical model of localized vibrations. Number and energy of modes agree, however, well with a previously published quantum-mechanical treatment of the motion of hydrogen in the periodic surface potential of Ni(100). For the dilute surface phase of hydrogen, the FWHM is a factor of 4 larger than expected from the dispersion of the bands. The effect is attributed to rapid tunneling of vibrationally excited hydrogen into empty neighboring sites. 000887943 536__ $$0G:(DE-HGF)POF3-522$$a522 - Controlling Spin-Based Phenomena (POF3-522)$$cPOF3-522$$fPOF III$$x0 000887943 542__ $$2Crossref$$i2020-10-09$$uhttps://link.aps.org/licenses/aps-default-license 000887943 588__ $$aDataset connected to CrossRef 000887943 77318 $$2Crossref$$3journal-article$$a10.1103/physrevb.102.165405$$bAmerican Physical Society (APS)$$d2020-10-09$$n16$$p165405$$tPhysical Review B$$v102$$x2469-9950$$y2020 000887943 773__ $$0PERI:(DE-600)2844160-6$$a10.1103/PhysRevB.102.165405$$gVol. 102, no. 16, p. 165405$$n16$$p165405$$tPhysical review / B$$v102$$x2469-9950$$y2020 000887943 8564_ $$uhttps://juser.fz-juelich.de/record/887943/files/PhysRevB.102.165405.pdf$$yOpenAccess 000887943 909CO $$ooai:juser.fz-juelich.de:887943$$pdnbdelivery$$pdriver$$pVDB$$popen_access$$popenaire 000887943 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)128768$$aForschungszentrum Jülich$$b0$$kFZJ 000887943 9131_ $$0G:(DE-HGF)POF3-522$$1G:(DE-HGF)POF3-520$$2G:(DE-HGF)POF3-500$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$aDE-HGF$$bKey Technologies$$lFuture Information Technology - 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