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Surface structural controls on pyrite oxidation kinetics: An XPS-UPS, STM, and modeling study
controls pyrite oxidation kinetics XPS-UPS STM modeling study
2012/4/6
X-ray and ultraviolet photoelectron spectroscopy (XPS and UPS,respectively) and scan-ning tunneling microscopy (STM) were used to observe the initial oxidation of pyrite surfaces in air. The results s...
Structural relationship between pyrite and marcasite
Structural relationship pyrite marcasite
2012/4/5
Westudied pyrite spherules built of radiating crystals to establish the relationships among microstructure, composition, and macroscopic appearance. Results of high-reso-lution transmission electron m...
XPS and LEED study of a single-crystal surface of pyrite
XPS LEED study single-crystal surface pyrite
2012/4/5
This .work reports X-ray photoelectron spectroscopy (XPS) and low-energy electron dlffractlOn}~EED) results for an as-grown (100) s~rface of pyrite (FeS2) cleaned by low-energy H:lOn bombardment and t...
In Fuente Valoria, Province of Soria, Spain, medium-sized crystals of pyrite with a pronounced distorted cubic habit occur in calcareous rocks that are mined for ornamental use. The variations of the ...