نتایج جستجو برای: coinage
تعداد نتایج: 613 فیلتر نتایج به سال:
Negative ion photoelectron spectra of Ni, , Pd,, and Pt, are presented for electron binding energies up to 3.35 eV at an instrumental resolution of 8-10 meV. The metal cluster anions are prepared in a flowing afterglow ion source. Each dimer exhibits multiple low-lying electronic states and a vibrationally resolved ground state transition. Franck-Condon analyses yield the anion and neutral vibr...
Coinage metal atom (Cu, Ag, Au) reactions with SO2 were investigated by matrix isolation infrared absorption spectroscopy and density functional theory electronic structure calculations. Both mononuclear complexes M(η(1)-SO2) (M = Ag, Au) and M(η(2)-O2S) (M = Ag, Cu) were observed during condensation in solid argon or neon. Interestingly, the silver containing mononuclear complexes are intercon...
Surface-enhanced Raman spectroscopy (SERS) benefits from the enhanced electromagnetic field of the localized surface plasmon resonance effect of metallic (especially coinage metals) nanoparticles or nanostructures. The detection sensitivity and reproducibility of SERS measurement appear to be the two critical issues in SERS. To solve the problem associated with traditional nanoparticle aggregat...
Zwitterionic Mixed-Carbene Coinage Metal Complexes: Synthesis, Structures, and Photophysical Studies
This article explores the liturgical functions of cross‐shaped staurothekes, reliquaries True Cross, in twelfth‐century Sicily. These luxurious objects were once at centre devotion growing Christian communities on an island undergoing dramatic social changes. contribution examines figuration these crosses and messages they conveyed to their audiences, focusing documented processions as displays...
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