National Repository of Grey Literature 172 records found  beginprevious163 - 172  jump to record: Search took 0.01 seconds. 
Preliminary balistic electron emission microscopy/spectroscopy characterization of InAs quantum dots in AlGaAs/GaAs heterostructure
Vaniš, Jan ; Henini, M. ; Šroubek, Filip ; Walachová, Jarmila
We presented a characterization of InAs self assembled quantum dots embedded in quantum well of the AlGaAs/GaAs heterostructure using ballistic electron emission microscopy/spectroscopy BEEM/BEES. Structures are grown by MBE. Results of spectroscopic measurements "on the dot" and "out of the dot" are also presented.
Příběh Georga Placzka (Nová fakta o jeho pozoruhodném životě a práci)
Gottvald, Aleš
The world's distinguished theoretical physicist Georg Placzek (1905-1955) cooperated with many legendary physicists of the first half of the twentieth century, yet this native of Brno is almost unknown in his homeland. Placzek's contributions to theoretical physics are important and still vivid. He was also an active participant of a number of history-making moments. In particular, he was a leader of a theoretical group in the Manhattan project – as the only citizen of Czechoslovakia. We bring many new facts, documents and photographs about Georg Placzek, his remarkable life, work and family. Many of these materials have never been published elsewhere.
Řádkový CCD sensor ILX511 pro fyzikální měření
Bartoněk, L. ; Keprt, Jiří
The practical use of the CCD linear image sensor ILX511 for scanning of light in some optical applications (spectroscopy) is presented. Communication of the equipment (CCD linear image sensor) with computer is realized with the help of parallel interface of a personal computer (PC) without additive interface card. The use of the linear detector is presented in the case of detection of the optical spectrum of the mercury lamp.
Secondary electron contrast of doped regions in semiconductor
Čižmár, Petr
The aim of the dissertation is study of multi-channel spectroscopy of electrons (secondary, both elastically and non-ellastically reflected as well as the Auger ones) in a scanning electron microscope with respect to the signal-to-noise ratio in detected signals. Another aim is to write software for electronic processing of an image of a specimen providing combined analytical and microscopic information. Verification of the methodology at an ultra-high vacuum microscope with slow electrons, which will be equipped with a parallel hyperbolic electrons analyzer in the scope of the project, is one of main goals of the experimental part.
Proton NMR spectroscopy of human brain at 3 TESLA
Mlynárik, V. ; Starčuk, Zenon ; Starčuk jr., Zenon ; Gruber, S. ; Moser, E.
It has been demonstrated that the addition of the 1H MR spectra corresponding to a specific part of tumour can povide a spectrum with a sufficiently high signal-to-noise ratio and free from partial volume effects.
Phase Coherence and Digital Receiver
Halámek, Josef ; Kasal, Miroslav ; Húsek, Vladimír ; Villa, M. ; Cofrancesco, P.
The phase coherence between a receiver and transmitter is discussed. The phasse control of the digital receiver which preserves the phase coherence and minimal jitter is described.
Methods and Applications of Fluorescence. Book of Abstracts
Fidler, V. ; Hof, Martin ; Šiňor, M.
Spectroscopy, fluorescence, imaging, probes, methods and applications.

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