Journal
Article title
Title variants
Languages of publication
Abstracts
The temperature and frequency dependences of the admittance real part σ (T, f) in granular (Fe_{45}Co_{45}Zr_{10})_{x}(Al_2O_3)_{100 - x} nanocomposite films around the percolation threshold x_{C} were investigated. The behaviour of σ (T, f) vs. the temperature and frequency over the ranges 77-300 K and 50 Hz-1 MHz, respectively, displays the predominance of an activation (hopping) conductance mechanism for the samples below the percolation threshold x_{C} and of a metallic one beyond the x_{C} determined as 54 ± 2 at.%. The mean hopping range d for the nanoparticles diameter D was estimated at different metallic phase content x.
Discipline
- 84.37.+q: Measurements in electric variables (including voltage, current, resistance, capacitance, inductance, impedance, and admittance, etc.)
- 73.22.-f: Electronic structure of nanoscale materials and related systems
- 79.20.Rf: Atomic, molecular, and ion beam impact and interactions with surfaces(for atomic and molecular beam techniques, see 37.20.+j; see also 34.35.+a Interactions of atoms and molecules with surfaces)
- 72.20.Ee: Mobility edges; hopping transport
Journal
Year
Volume
Issue
Pages
35-38
Physical description
Dates
published
2011-07
Contributors
author
- Lublin University of Technology, Nadbystrzycka 38a, 20-618 Lublin, Poland
author
- Lublin University of Technology, Nadbystrzycka 38a, 20-618 Lublin, Poland
author
- Scientific-Practical Material Research Centre NAS of Belarus, P. Brovki 19, 220072 Minsk, Belarus
author
- Al-Balqa Applied University, P.O. Box 2041, Amman 11953, Jordan
author
- Belarussian State University, Independence 4, 220030 Minsk, Belarus
author
- Belarussian State University, Independence 4, 220030 Minsk, Belarus
References
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- 3. A.M. Saad, A.K. Fedotov, I.A. Svito, A.V. Mazanik, B.V. Andrievski, A.A. Patryn, Yu.E. Kalinin, A.V. Sitnikov, Prog. Solid State Chem. 34, 139 (2006)
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- 10. P. Żukowski, T. Kołtunowicz, J. Partyka, Yu.A. Fedotova, A.V. Larkin Vacuum 83, S280 (2009)
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- 12. P. Żukowski, T. Kołtunowicz, J. Partyka, P. Węgierek, M. Kolasik, A.V. Larkin, J.A. Fedotova, A.K. Fedotov, F.F. Komarov, L.A. Vlasukova, Przegląd Elektrotechniczny 3, 247 (2008)
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv120n108kz