Národní úložiště šedé literatury Nalezeno 4 záznamů.  Hledání trvalo 0.01 vteřin. 
Preparation of Fluorinated [5]- and [6]Helicenes.
Jakubík, Pavel
Plný tet: SKMBT_C22017061209371 - Stáhnout plný textPDF
Plný text: content.csg - Stáhnout plný textPDF
Geometrical aspects of connection between surface reggedness and resistance of thin films
Franc, J. ; Janda, Pavel ; Novotný, Jan
The relationship between the ruggedness of substrate surface and the resistance of sputtered NiCr films was studied. The geometrical model in which the surface unevenness is simulated by pyramid was derived. The increase of R/ on a rugged surface in comparison with a polished one was calculated. Ruggedness on real surfaces was analysed by means of AFM microscopy. Obtained data were compared with the model.
Technology of infrared detectors preparation on the basis of LATGS/Pt/IV/ and LADTGS/Pt/II/ single crystals
Novotný, Jan ; Zelinka, Jiří ; Franc, J.
Single crystals of triglycine sulphate /TGS/ and deuterated TGS doped with Pt.sup.4+.sup. and Pt.sup.2+.sup. and L-alanin, /LATGS/Pt/IV/ and LADTGS/Pt/II/ were grown from aqueous solutions. Surface morphology, domain structure and P-E hysteresis loops have been investigated. We have found on the basis of experimental results that prepared single crystals are very suitable materials for construction on infrared detectors.
Dispersive optical bistability in unidirectional ring cavity
Šrobár, Fedor
The models of dispersive optical bistability in unidirectional ring cavity yield transmitted intensity as a function of input intensity with additional parameters /mirror reflectivity and phase shift/. There is a feedback element in the description: the dependence of the phase shift on the transmitted power. The region of physically unstable states is marked by the condition specifying that the transmission function of the feedback loop present in the representative causal diagram is greater than 1.

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