Proceedings. 3rd Annual Siberian Russian Workshop on Electron Devices and Materials

In the work the temperature dependences of the fibre-optical sensor of mechanical values are explored. The examinations of influence of temperature changes on the transmitting characteristic of FOS were spend. As a sensing device the silicon membrane with width h1=40 micron with strong centre by width h3=200 micron was used. The measuring were spend at temperatures T1=20/spl deg/C, T2=60/spl deg/C, T3=90/spl deg/C. The estimation of values of responsive, nonlinearity and hysteresis was explored.

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The effect of hydrostatic pressure applied at high temperature on photoluminescence of Si-implanted SiO/sub 2/ films has been studied. For the films implanted with Si/sup +/ ions to total doze of 4.8 /spl middot/ 10/sup 16/ cm/sup -2/ a high temperature annealing (T/sub a/=1 000/spl deg/C) under high hydrostatic pressure (12 Kbar) causes a "blue" shift and increase intensity of the photoluminescence band attributed to silicon nanocrystals.

Etched tracks have recently come into the focus of renewed interest, as it has turned out that they have a great future application potential. Therefore it is worthwhile to review the techniques for ion track characterization. Especially, ion transmission spectrometry (ITS) has recently emerged as a new tool for the rapid characterization of both the average diameter and the shape of etched tracks as presented in J. Vacik et al. (1997) and J. Vacik et al. (1999). In this paper a simple formula for the correlation between the ion transmission yield and the track diameter is derived for cylindrical tracks under the impact of both parallel and divergent probing ion beams. Increasing beam divergence leads to a slight decrease of the transmission yield for small, and to a considerable enhancement of the track transmission for larger capillaries. Direct track radius determinations by scanning electron microscopy (SEM) are compared with our ITS calculations with good result.

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Autoemission properties of the materials containing carbon nanotubes are investigated. Unique physical and chemical properties of these materials have allowed obtaining a significant current of emitted electrons at rather low applied electric fields. Automation of process of measurement has revealed the hysteresis-like voltage-current characteristic at sawtooth display of a voltage both for pure carbon nanotubes, and for nanotubes filled by metal particles.

The microconverter construction and its fabrication process route designed. The approaching technological materials are selected. The heat fluxes and electrical performances simulations of the device are worked out. All fabrication operations, according to a process route are developed. Experimental samples are explored and results compared with a performance of secondary etalon. On the basis of obtained data the indispensable changes are introduced in to the microconverter construction. The upgraded thermoelectric converter at present of time is made according to an improved process route.

The opportunity for measurement of X-ray spectra with the help of carbon nanotubes cathode was realized. The K/spl alpha/-spectra of the carbon, which was transferred on the copper anode as a result of field emission from cathodes containing multiwall and single-wall carbon nanotubes, was obtained. The carbon materials were found to consist from graphite-like particles. The spectrum of carbon material produced at the destruction of the cathode from single-wall nanotubes showed an enhanced intensity in the short-wave region that is indicative of stronger localization of x-electrons. The reason of such localization is likely to be due to the small size of the transferred particles.

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In this paper the results of investigation of the thin films of the solid electrolyte BaO(CeO/sub 2/)/sub 0.9/(Nd/sub 2/O/sub 3/)/sub 0.1/ are presented. The thin films of the solid electrolyte have been made by the thermal resistive sputtering on the silicon and alumina substrates. The Raman spectra of these thin films are studied. The analysis of these spectra shows that the structure of the obtained thin films of the solid electrolyte BaO(CeO/sub 2/)/sub 0.9/(Nd/sub 2/O/sub 3/)/sub 0.1/ are like the structure of bulk samples of this electrolyte. The high temperature dependence of conductivity of the thin films of the solid electrolyte BaO(CeO/sub 2/)/sub 0.9/(Nd/sub 2/O/sub 3/)/sub 0.1/ is investigated. In terms of this dependence the values of the activation energy for conductivity are determined.