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Wyszukujesz frazę "43.58.Bh" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Magnetoimpedance Effect in Field Annealed $(FeNi)_{78}Nb_{7}B_{15}$ Amorphous and Nanocrystalline Bilayer Ribbons
Autorzy:
Varga, M.
Marcin, J.
Capik, M.
Janičkovič, D.
Švec, P.
Škorvánek, I.
Powiązania:
https://bibliotekanauki.pl/articles/1367440.pdf
Data publikacji:
2014-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.50.Kj
75.50.Tt
75.60.Nt
43.58.Bh
Opis:
The influence of the magnetic field annealing on the magnetoimpedance effect has been investigated in rapidly quenched $(Fe_{0.5}Ni_{0.5})_{78}Nb_{7}B_{15}$ monolayer and bilayer thin ribbons. The highest impedance ratio value $(ΔZ//Z)_{max}$=72% and the maximum field sensitivity $η_{max}$=12 %/Oe was obtained in the bilayer ribbon, annealed under longitudinal magnetic field at 773 K that exhibited nanocrystalline structure. The higher values of $(ΔZ//Z)_{max}$ in bilayer ribbons, as compared to their monolayer counterparts, are attributed to the increased ratio of their thickness to the penetration depth.
Źródło:
Acta Physica Polonica A; 2014, 126, 1; 122-123
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electrical, Electromechanical and Piezoelectric Properties of Ca₃TaGa₃Si₂O₁₄ Resonators at Elevated Temperatures
Autorzy:
Suhak, Yu.
Schulz, M.
Sotnikov, A.
Schmidt, H.
Fritze, H.
Powiązania:
https://bibliotekanauki.pl/articles/1030925.pdf
Data publikacji:
2018-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
77.65.Bn
77.84.-s
43.58.Bh
07.20.Ka
Opis:
The electrical conductivity, resonance frequency and piezoelectric strain constants are determined for ordered piezoelectric Ca₃TaGa₃Si₂O₁₄ (CTGS) single crystals from room temperature to 900°C. The latter result from three independent methods, namely resonant, ultrasonic pulse-echo, and laser Doppler vibrometry techniques, which allows validating the results. Further, the long-term behaviour of fundamental materials properties including electrical conductivity and resonance frequency are examined at 1000°C for CTGS crystals, grown by different manufacturers. After an initial period of about 500 h, the conductivity is found to remain nearly constant for at least 1500 h. In a period of 2000-5000 h a decrease of conductivity by only 20% is observed. The resonance frequency is found to decrease almost linearly in a period of 500-5000 h for all investigated samples.
Źródło:
Acta Physica Polonica A; 2018, 133, 4; 1069-1073
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impedance Spectra of As-Grown and Heat Treated $Na_{0.5}Bi_{0.5}TiO_3$ Crystals
Autorzy:
Kruzina, T.
Sidak, V.
Trubitsyn, M.
Popov, S.
Tuluk, A.
Suchanicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/1398237.pdf
Data publikacji:
2018-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
77.84.-s
43.58.Bh
72.80.Rj
Opis:
The complex impedance spectra Z*(ω) were studied for as-grown and annealed in air $Na_{0.5}Bi_{0.5}TiO_3$ single crystals. Experimental data showed that annealing significantly increased impedance and led to appearance of low frequency Z* relaxation. The detected relaxation processes were associated with charge transfer within the regions with initial and reduced after annealing concentration of oxygen vacancies.
Źródło:
Acta Physica Polonica A; 2018, 133, 4; 816-818
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Epidermal Layers Characterisation by Opto-Magnetic Spectroscopy Based on Digital Image of Skin
Autorzy:
Koruga, Đ.
Bandić, J.
Janjić, G.
Lalović, Č.
Munćan, J.
Dobrosavljević Vukojević, D.
Powiązania:
https://bibliotekanauki.pl/articles/1489823.pdf
Data publikacji:
2012-03
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
43.58.Bh
07.05.Pj
42.79.-e
42.30.-d
42.25.Ja
87.64.Dz
Opis:
According to the most literature data, the skin is usually observed as a simple structure with equivalent electrical model, which includes general properties of epidermis, basal membrane and dermis. In this paper, we analyzed the skin structure as a more complex system. Particularly we analyzed epidermis based on layers approach and its water organization in lipids ordered in sub-layers. Using opto-magnetic spectroscopy method, which is very sensitive to paramagnetic/diamagnetic properties of the tissue, we found out that nanowater structure ordering in lipids of epidermal layers play very important role in skin properties. We use bioimpedance as complementary and compatible method to opto-magnetic spectroscopy in skin characterization. In our investigation we found out the difference of the skin properties of the people who are drinking two different type of water (Z and N). We observed the significant difference in middle part of stratum granulosum, where water-lipid sub-layers exists. These results indicate importance of water nanolayers presence in epidermis and type of drinking water reflecting on human skin properties.
Źródło:
Acta Physica Polonica A; 2012, 121, 3; 606-610
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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