نتایج جستجو برای: auger therapy
تعداد نتایج: 658328 فیلتر نتایج به سال:
Design equations were developedfor two auger configurations that for practical purposes generate uniform vertical flow of granular material through containers or boxes having a rectangular cross-section. Both configurations have uniform outside diameters so the simple geometry of the conventional U-trough housings could be used with these augers. One configuration had a uniform pitch for the au...
Resonant Auger electron spectra were measured for several condensed molecules Si CH33Cl, SiCl4, PCl3, C3H7SH and CCl4 around Si-, P-, S-, and Cl-1s edges. It was commonly found that the most frequent decay channel after the excitation was a KL2; 3L2; 3 transition. As predicted by a resonant inelastic scattering theory, the phenomenon known as the Auger resonant Raman effect was observed in t...
The pressure dependence of the total threshold current and its respective recombination components in 1.3 mm GaInNAs single-quantum-well lasers using spontaneous emission measurements up to 13 kbar is presented. We observed an unusual increase of the nonradiative Auger recombination current with increasing pressure in this material, which is opposite to those in 1.3 mm InP-based InGaAsP and AlG...
Auger photoelectron coincidence spectroscopy has been used to study the intrinsic and extrinsic satellite contributions to the Ga L»M45M45 Auger line of GaAs. Data have been collected for the Ga L23M45M45 Auger line in coincidence with the 2@3/2 and 2p, /2 photoelectron lines from GaAs. The Ga 2p3/p photoelectron line has also been collected in coincidence with the satellite on the lower kineti...
For the past two decades, gold nanoparticles (GNPs) have been investigated as a radiosensitizing agent for radiation therapy. Many theoretical studies shown that GNPs increase dose deposition keV photon irradiation, both at macro and nano-scales, due to high photon-gold interaction probability. We studied by Monte Carlo simulations production of radiolysis chemical products (O•H H2O2) following...
New results of spin polarization of both photoelectrons and Auger electrons are reported after 5p photoionization of free Ba atoms with circularly polarized light. A substantial polarization transfer from the spin polarized photons to the spin polarized photoelectrons and via the hole state orientation to the spin polarized Auger-electrons is observed. The cross comparison of the results for ph...
By means of Auger electron spectroscopy (AES) we have monitored the room temperature adsorption of 02 and N20 on the clean Si(0 0 1)2 x I surface. We have found, for the first time, a significant variation in the intensity ratio of the K Lt L~ and K L23 L23 O Auger lines in the submonolayer range. This variation can be related to a change in bonding configuration of the oxygen atom/molecule in ...
III-nitride light-emitting diodes (LEDs) suffer from a severe efficiency reduction with increasing injection current (droop). Auger recombination is often seen as primary cause of this droop phenomenon. The corresponding Auger recombination coefficient C is typically obtained from efficiency measurements using mathematical models. However, C coefficients reported for InGaN active layers vary ov...
The Linac Coherent Light Source free electron laser is a source of high brightness x rays, 2×10(11) photons in a ∼5 fs pulse, that can be focused to produce double core vacancies through rapid sequential ionization. This enables double core vacancy Auger electron spectroscopy, an entirely new way to study femtosecond chemical dynamics with Auger electrons that probe the local valence structure ...
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