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Chemical-state specificity in surface structure determination
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UNSPECIFIED (2001) Chemical-state specificity in surface structure determination. APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 72 (4). pp. 421-428. ISSN 0947-8396.
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Abstract
In the pursuit of an understanding of complex surfaces, the problem of obtaining quantitative structural information about local adsorbate geometry is especially difficult. Conventional diffraction methods rely on long-range order of the adsorbed species, rarely present in complex coadsorption systems. Elementally specific local structural probes can help, but ultimately one also requires chemical-state specificity. This can be achieved in structural methods that involve detection of photoelectrons through the well-known 'chemical shifts' in core-level photoelectron binding energies; specific methods of this type are scanned-energy mode photoelectron diffraction (PhD) and normal-incidence X-ray standing waves (NISXW). Recent examples of chemical-shift PhD and NIXSW applications to complex coadsorption systems and to larger molecular adsorbates demonstrate this potential.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
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Journal or Publication Title: | APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | ||||
Publisher: | SPRINGER-VERLAG | ||||
ISSN: | 0947-8396 | ||||
Official Date: | April 2001 | ||||
Dates: |
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Volume: | 72 | ||||
Number: | 4 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 421-428 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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