H and the W(001) Surface Reconstructions: Local Bonding to Surface States

M. Weinert; Arthur J Freeman; S. Ohnishi

doi:10.1103/PhysRevLett.56.2295

H and the W(001) Surface Reconstructions: Local Bonding to Surface States

M. Weinert, Arthur J Freeman, S. Ohnishi

Northwestern University

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43 Citations (Scopus)

Abstract

The structural properties of the W(001)p(1×1)-2H system are predicted by use of all-electron total-energy calculations. Both the vibrational frequency (133 meV) and the work-function change (0.95 eV) are in excellent agreement with experiment at the calculated equilibrium H-W interlayer spacing of 1.12. A proposed electronic driving mechanism, which includes local bonding effects and depends on the character of the »2 surface-state wave functions, explains the various observed reconstructions of the clean-W(001) and H/W(001) systems, including symmetries and coverage dependence.

Original language	English
Pages (from-to)	2295-2298
Number of pages	4
Journal	Physical Review Letters
Volume	56
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevLett.56.2295
Publication status	Published - 1986

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ASJC Scopus subject areas

Physics and Astronomy(all)

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Weinert, M., Freeman, A. J., & Ohnishi, S. (1986). H and the W(001) Surface Reconstructions: Local Bonding to Surface States. Physical Review Letters, 56(21), 2295-2298. https://doi.org/10.1103/PhysRevLett.56.2295

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10.1103/PhysRevLett.56.2295