Partial Pressures of Strontium and Strontium Oxide over Strontium Oxide Heated on Platinum

Strontium oxide segregation at SrLaAlO4 surfaces

Scanning Tunneling Spectroscopy of Lead - Substituted Bismuth Strontium Copper Oxide

The hole-doped cuprate Bi2-_Pb.Sr 2CulO 6+6 is doped with lead to the solubility limit of x = 0.38 and studied using STM/STS in the overdoped regime where T, < 2K. Despite the high lead content, residual supermodulations are observed in the BiO plane. In agreement with previous studies on (Pb,Bi)-2201, there is no separation of the sample into Pb-rich and Pb-poor domains, nor is there a spectra...

Local Structure Analysis of Strontium Sorption to Hydrous Manganese Oxide.

To develop mechanistic models of contaminant distribution processes, we conducted an X-ray absorption fine structure analysis of strontium sorption to hydrous manganese oxide (HMO). Sr K-edge measurements were performed at 298, 220, and 77 K, and at sample loadings from 10(-4) to 10(-2) mol Sr/g HMO. Results from fitting the first shell in the sorbed samples indicate that strontium is surrounde...

Atomic Layer Deposition of Platinum on Strontium Titanate Surfaces

Atomic Layer Deposition of Platinum on Strontium Titanate Surfaces Tremendous energy savings and environmental benefits are possible from improved catalysts for chemical manufacturing and emissions reduction. Breakthroughs in catalyst development will be enabled by precise methods for synthesizing nanostructured materials. Atomic layer deposition (ALD) is a thin film growth technique that is cu...

Effect of Strontium Dopant on Electrical Conductivity of Perovskites

The compounds, lanthanium chromite, lanthanium magnetite and lanthanium ferric oxide were prepared through sol-gel methods in powdered form, then calcinated, peletized, and sintered at various temperatures. Electrical conductivity of these compounds was measured at various temperatures. The effectiveness of strontium as a dopant on electrical conductivity was also investigated. Electrical condu...