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Article overview
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X-ray Photoelectron Spectroscopic Studies of Interactions in Multicomponent Metal and Metal Oxide Thin Films | Nicholas Winograd
; W E Baitinger
; J W Amy
; J A Munarin
; | Date: |
3 May 1974 | Journal: | Science, 184 (4136), 565-567 | Abstract: | Changes in chemical oxidation states in alloys and at solid-solid interfaces were monitored by using x-ray photoelectron spectroscopy. For an oxidized Nichrome surface, the chromium component was selectively converted to chromic oxide while nickel remained in the metallic state. When this surface was overlaid with a 20-angstrom-thick aluminum film, the chromic oxide was reduced to chromium and the aluminum was oxidized to aluminum oxide in a reaction zone consisting of no more than 10 angstroms of the interface. This scheme appeared general for solid-solid contacts and was predicted, to a first approximation, by bulk thermodynamic free energies. | Source: | PubMed, pmid17755031 doi: 10.1126/science.184.4136.565 | Services: | Forum | Review | Favorites |
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