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pro vyhledávání: '"M. Pyka"'
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Akademický článek
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Autor:
M. Loewenhaupt, A. Metz, D. McK. Paul, V. H. M. Duijn, J. J. M. Franse, J. M. Martin, W Schmidt, H. Mutka, N. M. Pyka
Publikováno v:
Annalen der Physik. 508:197-202
The low-energy magnetic excitations (ħω ≤ 2 meV) of polycrystalline samples of Nd2-xCexCuO4 with x = 0, 0.1 and 0.15 have been measured with high resolution inelastic neutron scattering using time-of-flight technique at temperatures below 0.3 K.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5290fb6b2e0e5373ad712bb1b9f19db4
https://doi.org/10.1002/andp.2065080208
https://doi.org/10.1002/andp.2065080208
Autor:
B. Hofman, Jerzy Bodzenta, J. Kucytowski, K. Wokulska, A. Kazmierczak-Balata, M. Pyka, T. Lukasiewicz
Publikováno v:
Thin Solid Films. 516:8125-8129
The influence of neodymium doping on YVO4 single crystals has been studied. The crystals were grown by the Czochralski method. One of them was pure YVO4 and the others were doped with neodymium (YVO4:Nd) at various concentrations of Nd = 0.3–3.0 at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb1d72d5f2f8a7fb7c992a646a901031
https://doi.org/10.1016/j.tsf.2008.04.047
https://doi.org/10.1016/j.tsf.2008.04.047
Publikováno v:
The European Physical Journal Special Topics. 154:313-317
Four single crystals of YVO4 were examined to determine their thermal and elastic properties. The thermal diffusivity was investigated by photothermal method using the mirage effect. The velocity of ultrasound in crystals was measured using the pulse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2baaa11c830c2f7cff2c7b3bdd44603c
https://doi.org/10.1140/epjst/e2008-00567-4
https://doi.org/10.1140/epjst/e2008-00567-4
Autor:
Piotr Szperlich, Anna Kaźmierczak-Bałata, Krystyna Gołaszewska, M. Pyka, Anna Piotrowska, Jerzy Bodzenta, Eliana Kamińska
Publikováno v:
The European Physical Journal Special Topics. 153:79-82
In this work a measuring method for determination of the thermal diffusivity of SiC substrates commonly used in electronic industry is proposed. Such substrates are (300 $\div$ 900) μm thick plates, The method bases on generation of temperature fiel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4df25d4e2fd53591ecbe833660121a64
https://doi.org/10.1140/epjst/e2008-00397-4
https://doi.org/10.1140/epjst/e2008-00397-4
Autor:
Piotr Szperlich, Jacek Zakrzewski, Anna Kaźmierczak-Bałata, Jerzy Bodzenta, F. Firszt, M. Pyka, M. Szydłowski
Publikováno v:
The European Physical Journal Special Topics. 153:139-142
This article presents results obtained for mixed crystal of Zn 1-x Be x Se. Samples with different Be contents were examined to determine their thermal, optical and electrical properties. The influence of composition of investigated mixed crystals on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e97b7d48924bbe5839ba09b9a227aa15
https://doi.org/10.1140/epjst/e2008-00412-x
https://doi.org/10.1140/epjst/e2008-00412-x
Publikováno v:
Journal de Physique IV (Proceedings). 137:251-257
The conditions required for the accurate measurement of the thermal diffusivity of solids by the modified Angstrom's method are studied. Authors know that this method is suitable for determination of the thermal diffusivity of thick samples with low
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d2db27f2c17a2882935dd0621e04d68
https://doi.org/10.1051/jp4:2006137051
https://doi.org/10.1051/jp4:2006137051
Autor:
Jerzy Bodzenta, M. Pyka
Publikováno v:
Journal de Physique IV (Proceedings). 137:259-263
Results of measurements of the thermal diffusivity of pure and doped lithium niobate single crystals are presented. A reference sample was a pure crystal. The others were doped with: Cu (0.05%at.), Dy (0.1 %at., 1.0%at., and 1.7%at.), and Er + Yb (1.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eeb43decdff727381a943b9cb69375bc
https://doi.org/10.1051/jp4:2006137052
https://doi.org/10.1051/jp4:2006137052
Publikováno v:
Dental Materials. 22:617-621
Summary Objectives A new measuring technique for the determination of thermal diffusivity is proposed. Using this technique, the thermal properties of a few different dental filling materials were measured. Methods The proposed method for measurement
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b51c1d070948836b2fefa93d1c207034
https://doi.org/10.1016/j.dental.2005.05.016
https://doi.org/10.1016/j.dental.2005.05.016