نتایج جستجو برای: single electron device
تعداد نتایج: 1718195 فیلتر نتایج به سال:
a novel and ultra low cost isfet electrode and measurement system was designed for isfet application and detection of hydronium, hydrazinium and potassium ions. also, a measuring setup containing appropriate circuits, suitable analyzer (advantech board), de noise reduction elements, cooling system and pc was used for controlling the isfet electrode and various characteristic measurements. the t...
The vapor–liquid–solid growth of semiconductor nanowires led to the implementation of engineered electronic and optoelectronic one-dimensional nanostructures with outstanding promise for device applications. To realize this promise, detailed understanding and control over their growth, crystal structure, and transport properties and their combined impact on device performance is vital. Here, we...
Abstract A microfluidic device was developed for coherent diffraction imaging using an X-ray free-electron laser (XFEL-CDI). Liquid samples, which are separately packed in reservoirs of the device, mixed a flow channel after XFEL irradiation as trigger. An XFEL-CDI experiment conducted and images gold nanoparticles solution were obtained with resolution several nanometers from single-shot patte...
In this Letter we report the first experimental observation of the double emittance minimum effect in the beam dynamics of high-brightness electron beam generation by photoinjectors; this effect, as predicted by the theory, is crucial in achieving minimum emittance in photoinjectors aiming at producing electron beams for short wavelength single-pass free electron lasers. The experiment describe...
We analyze how functionality could be obtained within single-molecule devices by using a combination of non-equilibrium Green's functions and ab initio calculations to study the inelastic transport properties of single-molecule junctions. First, we apply a full non-equilibrium Green's function technique to a model system with electron-vibration coupling. We show that the features in the inelast...
We present an experimental study of charging mechanisms in aluminum single electron memory cells where the SiO2 surface between the floating gate and the control gate is used as a barrier dielectric and the single electron transistor is used as a readout device. We study several regimes of charging for different barriers separating the floating gate and the control gate. For thinner barriers, t...
Recently we reported a new fine-needle aspiration biopsy method to obtain single glomeruli for electron microscopy in diagnostic and investigative pathology of the kidney. The small size and fragmentary nature of the specimen obtained by this technique necessitated a special device for collecting and processing the tissue for electron microscopy (Pasternack et al., 1978). A new and simpler devi...
We inspected the exact solution of double barrier quantum well. The choice of proper boundary conditions has been taken into account. We eveluated the mechanism of resonant in this device. The density correlation matrix was calculated by using the exact solution of the time-dependent generalized nonlinear Schrodinger equation in the presence of electron-electron interaction. The result shows ...
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