Autor: Novickij, J. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Microwave Radar for Non-Destructive Express Testing of Electrical Properties of Semiconductor Materials
Autorzy:: Novickij, J.
Powiązania:: https://bibliotekanauki.pl/articles/1505234.pdf
Data publikacji:: 2011-04
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 07.57.Pt
07.55.Db
52.35.-g
72.80.Ey
Opis:: Microwave radar for non-destructive express testing of electrical properties of semiconductor materials which consists of pulsed magnet, transmitting and receiving antennas, high frequency generator, pulsed modulator and digital oscilloscope is described. In semiconductor specimen placed in pulsed magnetic field a magnetoplasmic wave is excited and propagated through the specimen. Delay time and attenuation of transmitted and reference signals are measured to find a value of concentration and mobility of free charge carriers in semiconductors. Experimental data of testing of InSb, n-InSb specimens are presented and acceptable for express testing correspondence of results was achieved.
Źródło:: Acta Physica Polonica A; 2011, 119, 4; 537-541
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Geometry Optimization of Pulsed Inductors
Autorzy:: Bartkevičius, S.
Novickij, J.
Višniakov, N.
Powiązania:: https://bibliotekanauki.pl/articles/1807966.pdf
Data publikacji:: 2009-06
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 07.55.Db
84.32.Hh
85.70.Ay
Opis:: The optimization of pulsed power inductors' geometry is a difficult multi-dimensional task. On the one hand, an inductor could be destroyed because of the Joule overheating, on the other hand, it might be damaged by the Lorentz forces acting in its windings. The magnetic field pulse up to 50 T is the target while fields of this magnitude are the interest in many scientific applications. All factors mentioned are directly dependent on inductor's geometry, i.e. on the number of winding layers and windings per layer. Therefore, a detailed analysis of thermodynamic, electromagnetic and mechanical processes is inevitable and was carried out for different geometrical inductor configurations to reach the goal: a non-destructive inductor that can meet required magnetic field parameters. Direct calculation methods were used to create universal algorithms in MATLAB environment. The zone of inductor geometries, where stresses do not exceed the yield strength of materials, inductor is not overheated and generated magnetic field magnitude is in acceptable range, is given as a result which enables to manufacture new prototypes saving additional costs and time.
Źródło:: Acta Physica Polonica A; 2009, 115, 6; 1155-1157
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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