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2009 NOV 25 ... is engaged in the development, manufacturing and marketing of automated SEM (Scanning Electron Microscope) and TEM (Transmission Electron Microscope) sample preparation equipment, ... The AIM technology brings numerous advantages to traditional FIB (Focused Ion Beam) technology by reducing the sample thickness to below 30nm over a large area with high ...
2009 NOV 24 ... According to a study from the United States, "Diffraction with focused electron probes is among the most powerful tools for the study of time-averaged nanoscale ... site dynamics with 10 orders of magnitude improvement in time resolution, in convergent-beam ultrafast electron microscopy (CB-UEM)." "As an application, we measured ...
2009 NOV 25 ... distribution with sufficient signal-to-noise ratio are possible if the ion beam is electron-cooled and bunched," wrote C. Novotny and colleagues, Johann Wolfgang Goethe ...
2009 NOV 25 ... 2008; Roser et al., Opt. Lett. 30:2754, 2005; Eidam et al., IEEE J. Sel. Top. Quantum Electron. 15:187, 2009) which typically operate at kilohertz repetition rates. This represents a ... technique, which has advantages in terms of ease of HHG light extraction, transverse beam quality, and the possibility to substantially increase conversion efficiency by ...
2009 NOV 25 ... research from Barcelona, Spain, "It is generally known that the use of high-energy electron linear accelerators (LINACs) in radiotherapy medical treatments may generate secondary ... of incident photons with all the heavy materials present inside the gantry and along the beam line. A detailed knowledge (i.e., fluence energy distribution) of this parasite ...
2009 NOV 25 ... thin films were fabricated via a plasma polymerization technique, using a plasma based electron beam generator Glass and quartz crystal substrates were used for the deposition of thin ...
2009 NOV 25 ... structure of the grown nanowires was investigated by means of scanning and transmission electron microscopy as well as Raman spectroscopy," investigators in Garching, Germany ... "The growth of GaAs nanowires by the gallium-assisted method with molecular beam epitaxy (MBE) is presented in this review article. The structure of the grown nanowires ...
2009 NOV 24 ... as a crude oil sample. Single photon ionization (SPI) was conducted by means of a novel electron beam pumped argon excimer lamp (EBEL) as photon source.""With SPI-TOFMS various ...
2009 NOV 24 ... photon energies between about 8 eV (155 nm) and 12 eV (103 nm) were generated with electron-beam-pumped rare gas excimer lamps (EBEL). Depending on the rare gas used, light with ...
2009 NOV 24 ... plasma wave excited by a short laser pulse in the bubble regime or by a short electron beam in the blowout regime. In these regimes, which are typical for electron acceleration, ...
2009 NOV 24 ... or riboflavin). Tendons then were exposed to one of three radiation conditions (gamma or electron beam irradiation at 50 kGy or unsterilized). Combination-treated tendons (10 per group) had ...
2009 NOV 24 ... scheme, the details of which are discussed. The detection signal is diminished when the electron beam energy is increased while the electron flux is kept constant. This is explained by ...
2009 NOV 25 ... for two interacting electrons captured in a quantum dot (QD) formed by a gigahertz electron pump which is modeled by harmonic confining potentials. We find from our calculations a ... An interference-type experiment which employs a gate-controlled electron pump and a beam splitter is proposed to verify this prediction," wrote G. Gumbs and colleagues, City ...
2009 NOV 25 ... that a dominant energy transport mechanism during the rise phase of solar flares is electron-beam-driven evaporation. We used non-thermal electron beams derived from RHESSI spectra ...
2009 NOV 25 ... According to a study from France, "An electron cyclotron resonance heating (ECRH) system capable of delivering 2.4 M W cw has been ... a nest, modified gyrotron. During the tests in factory of this new gyrotron, the output beam showed two peaks, a pattern never predicted by simulations. The gyrotron was ...
2009 NOV 24 ... = 1) were measured. OH-radicals were formed during dissociation of water molecules by electron impact in the conditions of crossing of supersonic molecular and electron beams in the ... the excitation function essentially depends on the temperature of water vapours in the beam. With the decrease of the water molecule temperature the height of the plateau in the ...
2009 NOV 25 ... 0.02% of the amplitude and 0.01 degree for phase tolerances to produce an ultra stable electron beam that meets the required conditions for Self-Amplified Spontaneous Emission ...
2009 NOV 24 ... of direct WIMP pair-production, accompanied by an initial-state radiation photon, in electron-positron collisions at the proposed International Linear Collider (ILC)," researchers ... of Florida.The researchers concluded: "We show that with sufficient beam polarization the alternative model interpretation can be ruled out in a large part of ...
2009 NOV 25 ... at room temperature."Park and colleagues published their study in IEEE Electron Device Letters (Si/SiGe Resonant Interband Tunneling Diodes Incorporating delta-Doping ... at higher substrate temperatures than previous reports using low-temperature molecular beam epitaxy, and postgrowth annealing experiments are suggestive that fewer point defects ...
2009 NOV 24 ... calculation and experimental results for a polarizer with sinusoidal grooves used in the electron cyclotron resonance heating (ECRH) system of the HL-2A tokamak are presented. The ... rotation angle and the toroidal injection angle of the electron cyclotron (EC) wave beam. Second-harmonic X-mode experiments were successfully explored in HL-2A," wrote G.Q. ...
