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Sep 5, 2020
We report a systematic comparative dispersion-corrected DFT study of single (K, Au, and Pt) atoms adsorption over a wide range of metal-supported oxide ultrathin films (MgO on Ag and Mo, ZnO on Cu, Ag, and Au, SiO2 on Pt and Ru, TiO2 on Ag and Pt, ZrO2 on Pt and ZrPt).
These films include reducible and non-reducible oxides, and have been prepared and characterized experimentally, showing very unusual and interesting behaviour towards metal atoms adsorption.
The interaction of K and Au with the metal/oxide substrates is dominated by charge-transfer aspects, where K tends to assume positive charge and Au negative charge.
This fact reflects into a general trend where metal-supported oxide films displaying large work function (i.e. deep empty states) tend to bind K cations strongly, while supports with small work function (i.e. shallow donor
Posted by Interalex 8:47 PM
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At a conference Monday, Elon Musk said the first Mars settlers have a "good chance" of death.
Musk and NASA are rapidly accumulating ways to plan, consolidate, and maximize for space living.
Yes, settlers will die on Mars—hopefully after a long, satisfying life of exploration.
Posted by Interalex 4:26 AM
Posted by Interalex 4:10 AM
2 hours ago - David Rolfe Graeber (/ˈɡreɪbər/; February 12, 1961 – September 2, 2020) was an American anthropologist, anarchist activist, and author known for his books Debt: The First 5000 Years (2011), The Utopia of Rules (2015) and Bullshit Jobs: A Theory (2018).
Posted by Interalex 4:00 AM