نتایج جستجو برای: photoelectron spectroscopy
تعداد نتایج: 174181 فیلتر نتایج به سال:
The photoelectron (PE) spectra of 2,2'-bipyridine 1, 2 ,2 ' :6 ' ,2"-terpyridine 2, and 2,2 ' ,2" ,2" / tetrapyridine 3 have been measured using H e I radiation. For 1 — 3 standard SCF LCAO MO calculations wer also performed. Comparison of P E spectra and these calculations allowed the assignment o f Ti-ionizations and indirectly also the nitrogen lone pair ionizations in 1 — 3. Factors influen...
This article intends to give an overview of the capabilities of photoelectron spectroscopy !n determining the electronic structure of bulk solids, thin films, and surfaces. Particular :mphasis is placed on the use of synchrotron radiation as a tunable, polarized, and wellzollimated light source. Current trends in the field are higlilighted, and examples from the wthor's recent experience are gi...
Understanding the modification of the graphene's electronic structure upon doping is crucial for enlarging its potential applications. We present a study of nitrogen-doped graphene samples on SiC(000) combining angle-resolved photoelectron spectroscopy, scanning tunneling microscopy and spectroscopy and X-ray photoelectron spectroscopy (XPS). The comparison between tunneling and angle-resolved ...
An approach for acquiring more reliable X-ray photoelectron spectroscopy data from corrosion inhibitor/metal interfaces is described. More specifically, the focus is on metallic substrates immersed in acidic solutions containing organic corrosion inhibitors, as these systems can be particularly sensitive to oxidation following removal from solution. To minimize the likelihood of such degradatio...
Magnetic properties and electronic structures of intermediate valence systems CeRhSi2 and Ce2Rh3Si5.
The crystal structures and the physical (magnetic, electrical transport and thermodynamic) properties of the ternary compounds CeRhSi(2) and Ce(2)Rh(3)Si(5) (orthorhombic CeNiSi(2)- and U(2)Co(3)Si(5)-type structures, respectively) were studied over wide ranges of temperature and magnetic field strength. The results revealed that both materials are valence fluctuating systems, in line with prev...
where S(t) is the measurement, u f & is the final state, used as a ‘‘screen’’ onto which we project the dynamics, m(Q) is the coordinate dependent dipole coupling and uex(t)& is the evolving state that we wish to study. A range of techniques using different kinds of final states u f & have been implemented: time-resolved fluorescence spectroscopy; ionization/mass spectroscopy; stimulated emissi...
We revisit the normal-state electronic structure of Sr(2)RuO(4) by angle-resolved photoemission spectroscopy with improved data quality, as well as ab initio band structure calculations in the local-density approximation with the inclusion of spin-orbit coupling. We find that the current model of a single surface layer (√2×√2)R45° reconstruction does not explain all detected features. The obser...
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