Formation of unique trimer of nitric oxide on Cu(111).

Preferential nucleation and high mobility of linear Cu trimers on Ag(111)

Using scanning tunneling microscopy, we studied the formation of dimers, trimers, and other clusters of Cu on Ag(111) at low temperature. We show that trimers, once formed, have significantly higher mobilities than either atoms or dimers. While transient, this mobility makes linear trimers a major contributor to mass transport. Using the scanning tunneling microscopy tip, we constructed linear ...

Copper-stress tolerance induced in Phlomis tuberosa depends on nitric oxide accumulation

In this study, we compared the impact of high Cu concentrations on the photosynthetic apparatus and antioxidant capacity of the Phlomis tuberosa. Plants were grown in perlite culture for 5 weeks, and then treated with 0, 100, 200, 300 and 400 µM Cu for 21 days. Results indicated that Phlomis tuberosa plants showed tolerance to 100 and 200 µM Cu. This increased tolerance was achieved through enh...

Simple Kinetic Modeling of Selective Reduction of Nitric Oxide in Diesel Exhaust Over Cu-Zn/ZSM-5 Monolithic Catalyst

Scanning Tunneling Microscopy Studies of Cluster Diffusion in a Highly Mismatched System: Copper on Silver(111)

I have used low-temperature scanning tunneling microscopy to investigate cluster diffusion phenomena in both the early stages of nucleation and growth and the late stages for a highly mismatched system, Cu on Ag(111). In particular, activation energies and prefactors for cluster diffusion are measured directly by tracking cluster motion with atomic precision at multiple temperatures to determin...

Initial Oxidation of Cu(hkl) Surfaces Vicinal to Cu(111): A High- Throughput Study of Structure Sensitivity

The initial stage in the oxidation of Cu single crystal surfaces has been studied on a surface structure spread single crystal (SC) exposing a continuous distribution of all Cu(hkl) surface orientations lying within 10° polar angle of the (111) plane, Cu(111) ± 10°-SC. The uptake of oxygen across the Cu(111) ± 10°-SC during exposure to O2 at 300 K has been measured using spatially resolved X-ra...