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Dipole-bound anions of highly polar molecules: Ethylene carbonate
Dipole-bound anions of highly polar molecules: Ethylene carbonate

... although the absolute signal intensity is much weaker in this case. For dipole-bound anions with excess electron binding energies below 10 meV, the Rb effective quantum numbers n * that lead to significant RET typically range from 15 to 50. Because the corresponding Rb excited states are closely * t ...
Title Goes Here
Title Goes Here

... nature of 1D system where the OS concentrates into the lowest bound state. At higher ne, we observed the metal-insulator crossover where the trion peak evolves to the typical single absorption onset of the band-toband transition. In this crossover region, we found a double absorption peak structure ...
Ultrashort free-carrier lifetime in low-loss silicon
Ultrashort free-carrier lifetime in low-loss silicon

... communications wavelengths are two-photon absorption (TPA) and free-carrier absorption (FCA) [10,38]. Two-photon absorption is a result of the proximity of the band edge to communication wavelengths and is unavoidable when operating in this wavelength range. Free-carriers are generated via TPA, and ...
Document
Document

... Examples: - difference in diffraction angles from CDs and DVDs - diffraction pattern to determine thickness of hair - diffraction pattern from complex gratings (textiles etc) - principle of holography ...
Fluorescence Microscopy
Fluorescence Microscopy

... Initially, fluorescence microscopy was performed with transmitted light, but because the emitted fluorescence is weak in comparison to the excitation light, it was necessary to view the fluorescence with filters capable of blocking very bright transmitted excitation light. Overall, this scheme was not v ...
Chem I Review Part 2
Chem I Review Part 2

... E. none of these 29. The nineteenth century chemists arranged elements in the periodic table according to increasing A. atomic number. B. number of electrons. C. atomic mass. D. number of neutrons. E. nuclear binding energy. 30. The elements in Group 7A are known by what name? A. transition metals B ...
The quantum speed limit of optimal controlled phasegates for
The quantum speed limit of optimal controlled phasegates for

... been named the quantum speed limit; it is given in terms of the average energy and energy uncertainty of the quantum evolution [20]. Since the evaluation of the bound requires knowledge of the full spectrum, one can typically evaluate it analytically only for simple model systems. Numerically, the b ...
EE 230: Optical Fiber Communication Lecture 4
EE 230: Optical Fiber Communication Lecture 4

... Fiber Optics Communication Technology-Mynbaev & Scheiner ...
Improved Transparency-Nonlinearity Trade-Off with Boroxine
Improved Transparency-Nonlinearity Trade-Off with Boroxine

... geometries and electronic properties were obtained using the Gaussian 98 package65 at the density functional theory (DFT) B3LYP66 level using the 6-31G* basis set. Once we had verified that all compounds of the series lead to planar conformations, C3h symmetry was imposed for molecules B1 and B2 whe ...
Photodissociation Dynamics R. Schinke
Photodissociation Dynamics R. Schinke

... thousands of internal vibrational periods. Immediate (or direct) dissociation occurs if Vex .R/ is purely repulsive from the Franck Condon (FC) point, where the molecule starts its motion in the upper electronic state, until the fragments are irreversibly formed. Indirect (or delayed) dissociation, ...
Sidelobe decline in single-photon 4Pi microscopy by Toraldo rings
Sidelobe decline in single-photon 4Pi microscopy by Toraldo rings

J. Phys. Chem. 1993,97, 2618
J. Phys. Chem. 1993,97, 2618

Supplementary Discussion - Word file
Supplementary Discussion - Word file

... Spectro-astrometric Technique The method by which any displacement in the emission lines of -Oph 102 is measured, can be summarised as follows: 1. A simple script based on the IRAF task splot is used to determine the position of the continuum emission at different wavelengths. The Image Reduction a ...
Continuous-variable optical quantum-state tomography
Continuous-variable optical quantum-state tomography

... The bipartite entanglement is of the order 兩␧2 log共␧兲兩, which is much less than 1. Equations 共5兲 and 共6兲 reveal a significant limitation of the photon-counting approach. This method works well if it is a priori known that the modes involved are in one of the qubit basis states or their linear combin ...
Molecular Geometry and Hybridization
Molecular Geometry and Hybridization

... occupied by a pair of electrons having high probability of being located between the nuclei of two atoms. Linus Pauling proposed that the valence atomic orbitals in a molecule are different from those in the isolated atoms. These valence atomic orbitals lead to more stable bonds, and are consistent ...
i h/e MAGNETIC FLUX MODULATION OF THE ENERGY GAP IN
i h/e MAGNETIC FLUX MODULATION OF THE ENERGY GAP IN

... In this dissertation, sample preparation, experimental setup, theoretical background, and experimental results will be presented. Sample preparation is the most challenging part of this research. In order to test the AA effect, the tubes are supposed to be short and fat. However, it is very unlikely ...
Confined Atoms - Frankfurt Institute for Advanced Studies
Confined Atoms - Frankfurt Institute for Advanced Studies

... The confined atom is a variation on such problems. It does, however, correspond to a rather different situation. The idea is that the same atom can exist in two different forms, namely 1) as a free atom with certain observable properties and 2) as a confined atom, with modified properties. The purpo ...
Electron attachment to molecular clusters by collisional charge transfer
Electron attachment to molecular clusters by collisional charge transfer

... A) were observed, but extensive signal averaging was required to detect any other positive ion species (for which typical signals are E A). Thus,here we present only observations of negative ions. As seen in Figure 2, the chlorine cluster system yields negative ions corresponding to electron attachm ...
Rayleigh scattering. Scattering and absorption by aerosols and
Rayleigh scattering. Scattering and absorption by aerosols and

... i) Particle is a sphere; ii) Particle is homogeneous (therefore it is characterized by a single refractive index m=n - ik at a given wavelength); NOTE: Mie theory requires the relative refractive index = refractive index of a particle/refractive index of a medium. But for air m is about 1, so one ne ...
precipitate - UniMAP Portal
precipitate - UniMAP Portal

... liquor (the solution from which it was precipitated), usually at high temp. This process is called digestion, or Ostwald ripening. The small particles tend to dissolve and precipitate on the surfaces of the larger crystals Large crystal (small surface area) have lower free energy than small crystal ...
High frequency characterization of the Gsanger LM0202P eletro-optic [i.e. electro-optic] modulator
High frequency characterization of the Gsanger LM0202P eletro-optic [i.e. electro-optic] modulator

... maintaining the data needed, and completing and reviewing the collection of information Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington Headquarters Services, Directorate for Information ...
Download PDF
Download PDF

... index variation as induced by the lattice beam, but it does not have appreciable nonlinear self-action itself either by setting its intensity to be weak enough (when at 488 nm) or choosing its wavelength to be much less photosensitive for our SBN crystal. Typical experimental results on 2D defect mo ...
Band gap characterization and slow light effects in
Band gap characterization and slow light effects in

... to stay just below the light line, compromising the performance of the device due to scattering, or to work with small f.f. (for example f.f. ∼ 0.2), which are technically difficult to realize. If we turn now to similar 1D PhoCSloW, we find the gap maps reported in Fig. 3. Different ways to realize ...
Unusual deprotonated alkynyl hydrogen bonding in metal
Unusual deprotonated alkynyl hydrogen bonding in metal

Beginning Chemistry
Beginning Chemistry

... combined in definite proportions by mass to give a material having a definite set of properties different from that of any of its constituent elements. For example, the compound water consists of 88.8 percent oxygen and 11.2 percent hydrogen by mass. The physical and chemical properties of water are ...
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X-ray fluorescence



X-ray fluorescence (XRF) is the emission of characteristic ""secondary"" (or fluorescent) X-rays from a material that has been excited by bombarding with high-energy X-rays or gamma rays. The phenomenon is widely used for elemental analysis and chemical analysis, particularly in the investigation of metals, glass, ceramics and building materials, and for research in geochemistry, forensic science and archaeology.
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