نتایج جستجو برای: the electronic absorption spectral lin
تعداد نتایج: 16136566 فیلتر نتایج به سال:
Today’s modern vehicles contain a complex symbiosis of intelligent electronic systems and integrated mechanical structures. In-vehicle networks provide an efficient method of communication between the various electronic components in an automobile. Invehicle communication contains a very complex structure because safety is a high priority. The communication protocols discussed in this paper are...
Resonant inelastic X-ray scattering (RIXS) was used to collect Mn K pre-edge spectra and to study the electronic structure in oxides, molecular coordination complexes, as well as the S1 and S2 states of the oxygen-evolving complex (OEC) of photosystem II (PS II). The RIXS data yield two-dimensional plots that can be interpreted along the incident (absorption) energy or the energy transfer axis....
Changes in the electronic structure of pigments in protein environments and of polar molecules in solution inevitably induce a re-adaption of molecular nuclear structure. Both changes of electronic and vibrational energies can be probed with visible or infrared lasers, such as two-dimensional electronic spectroscopy or vibrational spectroscopy. The extent to which the two changes are correlated...
Absorption and multiwavelength resonance Raman spectroscopy are widely used to investigate the electronic structure of transition metal centers in coordination compounds and extended solid systems. In combination with computational methodologies that have predictive accuracy, they define powerful protocols to study the spectroscopic response of catalytic materials. In this work, we study the ab...
Electronic spectral properties o f polyphenyls, in particular terphenyls, have been a subject o f numerous studies [1 -5 ] . In 1985 a new and efficient method o f the synthesis o f 3,5-diarylaminobenzenes and their derivatives was developed by Sepioi and Milart [6], Some fluorescent compounds belonging to this group, presented in Fig. 1, were chosen as a model set for the investigation o f sev...
The invention of two-photon fluorescence light microscopy by Denk, Webb and co-workers (Denk et al., 1990) revolutionized three-dimensional (3D) in vivo imaging of cells and tissues. In 1931, the theoretical basis of twophoton excitation was established by Maria GöppertMayer, and this photophysical effect was verified experimentally by Kaiser and Garret in 1963. Two-photon excitation is a fluor...
The electron paramagnetic resonance absorption of nitric oxide hemoglobin was observed as a possible model system for oxyhemoglobin. The electron paramagnetic resonance spectrum showed three g factors indicating a rhombic symmetry around the paramagnetic center. By use of 15N0, the unpaired electron was found very little associated with NO nitrogen, in contrast to what has been customarily assu...
Thallium L III-edge x-ray absorption and iron-57 and tin-119 Mössbauer spectral measurements have been carried out to probe the electronic structure of the three sites in the filled skutterudite TlxCo42yFeySb12 and TlxCo4Sb122zSnz compounds with a range of x, y, and z values. The thallium L III-edge x-ray absorption spectra are independent of x, y, and z and are well reproduced by full multiple...
A positive identification of the minerals olivine, plagioclase, and several types of pyroxenes were made at several ocations on the lunar surface by using remote measurements. For example, the crater Aristarchus is found to have an average pyroxene composition of augite, and plagioclase is obviously present. A dark mantle deposit in the crater J. Herschel is at least partly composed of a mixtur...
Graphene’s unique electronic structure due to its two-dimensional nature results in numerous advantageous properties, such as highly tunable chemical potential and the ability to support highly confined surface plasmons with exceptionally long lifetimes. In the context of optical absorbers, we theoretically calculate, using both analytical and numerical techniques, that the coupling of a contin...
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