New Measurement Method for Very Thin Samples with Very High Accuracy Control of the Level of the Emissive Power in Microwave Absorption (8.5-9.5 GHz)
Keywords:
high accuracy, microwave diagnosis, ferroelectrics, absorption
Abstract
Dielectric materials, especially ferroelectrics, have increasingly specialized applications in the manufacture of IT industry components. At the same time, the working frequency of the microprocessors increases steadily, reaching the microwave domain. This situation requires a very thorough study on the behaviour of dielectric materials at ultra-high frequencies and with very precise determination of their electrical and magnetic properties at these frequencies. A very important aspect in such a study is the evaluation with an extremely high accuracy, the degree of absorption of these materials in the microwave domain. The creation of an experimental installation dedicated to the very precise testing of these dielectrics at microwave frequencies, is a special challenge in the area of scientific research. The content of this article describes very accurately and completely such an experimental installation, as well as how to ensure a very high accuracy of the measurement accuracy. The samples of dielectric materials used in these measurements are made of very thin films.
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References
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[2]. Sharief Sami M., Ghobrial S. I., X-Band Measurements of the Dielectric Constant of Dust, Proc. Ursi Commission F 1983 Symposium. Louvain. Belgium, (ESA SP-194), June 1983.
[3]. Ghobrial S. I., Sharif S. M., Measurements of the dielectric constant of dust at 8.3 GHz, National Radio Science Meeting, Univ. of New Mexico, Albuquerque, USA, May 1982.
[4]. Postma A. J., Terlouw J. C., Calculations and measurements on an X-band microwave interferometer, Journal of Nuclear Energy. Part C, Plasma Physics, Accelerators, Thermonuclear Research, vol. 5, no. 1, 1963.
[5]. Emmanuel Saint-Christophe, René Sardos, Richard Barrue, X-band FMR measurements: establishing of relations between the complex permeability and reflection factor of ferromagnetic amorphous conductors, Journal de Physique III, EDP Sciences, 3 (10), p. 2053-2058, 1993.
[6]. Causa M. T., Passeggi M. C. G., X-band antiferromagnetic resonance measurements in KNiF3, Phys. Rev. B 32, 3229, 1 September 1985, Ashwini P. Alegaonkar, Prashant S. AlegaonkarNanocarbons: Preparation, assessments, and applications in structural engineering, spintronics, gas sensing, EMI shielding, and cloaking in X-band, Nanocarbon and its Composites. Preparation, Properties and Applications, Woodhead Publishing Series in Composites Science and Engineering, Woodhead Publishing, p. 171-285, 2019.
[7]. Rakhi R. B., Preparation and properties of manipulated carbon nanotube composites and applications, Nanocarbon and its Composites. Preparation, Properties and Applications, Woodhead Publishing Series in Composites Science and Engineering, Woodhead Publishing, p. 489-520, 2019.
[8]. Raja Nor Othman, Arthur Norman Wilkinson, Carbon Nanotube Hybrids and Their Polymer Nanocomposites, Synthesis, Technology and Applications of Carbon Nanomaterials, Micro and Nano Technologies, Elsevier Ltd., p. 29-60, 2019.
[9]. Sharief Sami M., Ghobrial S. I., X-Band Measurements of the Dielectric Constant of Dust, Proc. Ursi Commission F 1983 Symposium. Louvain. Belgium, (ESA SP-194), June 1983.
[10]. Mansor M. R., Fadzullah S. H. S. M., Masripan N. A. B., Omar G., Akop M. Z., Comparison Between Functionalized Graphene and Carbon Nanotubes: Effect of Morphology and Surface Group on Mechanical, Electrical, and Thermal Properties of Nanocomposites, Functionalized Graphene Nanocomposites and their Derivatives, Synthesis, Processing and Applications, Micro and Nano Technologies, Elsevier Ltd., p. 177-204, 2019.
[11]. Ahmet Şenocak, Erhan Demirbaş, Mahmut Durmuş, Phthalocyanine-nanocarbon materials and their composites: Preparation, properties, and applications, Nanocarbon and its Composites, Preparation, Properties and Applications, Woodhead Publishing Series in Composites Science and Engineering, Woodhead Publishing, p. 677-709, 2019.
[12]. Ghobrial S. I., Sharif S. M., Measurements of the dielectric constant of dust at 8.3 GHz, National Radio Science Meeting, Univ. of New Mexico, Albuquerque, USA, May 1982.
[13]. Emmanuel Saint-Christophe, René Sardos, Richard Barrue, X-band FMR measurements: establishing of relations between the complex permeability and reflection factor of ferromagnetic amorphous conductors, Journal de Physique III, EDP Sciences, 3 (10), p. 2053-2058, 1993.
[14]. Causa M. T., Passeggi M. C. G., X-band antiferromagnetic resonance measurements in KNiF3, Phys. Rev. B 32, 3229, 1 September 1985.
[15]. Il Sung Seo, Woo Seok Chin, D. Lee, Characterization of electromagnetic properties of polymeric composite materials with free space method, Composite Structures, vol. 66, issues 1-4, p. 533-542, October-December 2004.
[16]. Maria Teresa Buscaglia, Vincenzo Buscaglia, Massimo Viviani, Jan Petzelt, Maxim Savinov, Liliana Mitoseriu, Andrea Testino, Paolo Nanni, Catalin Harnagea, Zhe Zhao, Mats Nygren, Ferroelectric properties of dense nanocrystalline BaTiO3 ceramics, Nanotechnology, vol. 15, no. 9, p. 1113-1117, 2004.
[17]. Pozar David M., Microwave engineering, 4th ed. John Wiley & Sons, Inc., ISBN 978-0-470-63155-3, 2012.
Published
2019-03-15
How to Cite
1.
HUŢANU C. New Measurement Method for Very Thin Samples with Very High Accuracy Control of the Level of the Emissive Power in Microwave Absorption (8.5-9.5 GHz). The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Mar.2019 [cited 30Oct.2024];42(1):36-1. Available from: https://gup.ugal.ro/ugaljournals/index.php/mms/article/view/2769
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