نتایج جستجو برای: 20fo80co and 100 co
تعداد نتایج: 16919284 فیلتر نتایج به سال:
We investigate magnetic correlations and local magnetic moments at finite temperatures of some Fe and Co multilayers on Cu(100) substrates, such as Co(m)Fe(n)Co(m)/Cu(100) and Fe(m)Co(n)Fe(m)/Cu(100). We use an ab initio mean-field theory of magnetic fluctuations for layered materials based on the first-principles local spin-density functional theory implemented through the screened Korringa-Ko...
A new phase BT -CO on Si(100), not accessible with thermal CO (which leads to the T -CO phase), has been observed using an energetic molecular beam of CO and characterized by first principles quantum chemical methods. The BT phase is composed of bridge sBd and terminal sT d sites; it is driven and stabilized by cooperative electrostatic interactions that result because B sT d binding leads to t...
The reduction of CO2 on copper electrodes has attracted great attentions in the last decades, since it provides a sustainable approach for energy restore. During the CO2 reduction process, the electron transfer to COads is experimentally suggested to be the crucial step. In this work, we examine two possible pathways in CO activation, i.e. to generate COHads and CHOads, respectively, by perform...
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