The shielding effectiveness of composite media - A parametric analysis supporting an engineering perspective

IEEE Transactions on Dielectrics and Electrical Insulation

Volumn 14, Issue 5, 2007, Pages 1145-1153

  Youngs, Ian J ^a  

^a DEFENCE SCIENCE AND TECHNOLOGY LABORATORY   (United Kingdom)

Author keywords

Dielectric losses; Electromagnetic propagation in random media; Electromagnetic shielding; Insulator metal transition; Nonhomogeneous media

Indexed keywords

COMPOSITE MATERIALS; DIELECTRIC LOSSES; ELECTROMAGNETIC WAVE PROPAGATION; INSULATING MATERIALS; METAL INSULATOR TRANSITION; MICROWAVE FREQUENCIES;

MICROWAVE PROPERTIES; NONHOMOGENEOUS MEDIA; RANDOM DISTRIBUTION; RANDOM MEDIA;

ELECTROMAGNETIC SHIELDING;

EID: 35348853374     PISSN: 10709878     EISSN: None     Source Type: Journal    
DOI: 10.1109/TDEI.2007.4339474     Document Type: Article

References (34)

1. A. Holden, "Inside the wavelength: electromagnetics in the near field", A state of the science review produced under the Foresight Exploiting the Electromagnetic Spectrum project, Office of Science and Technology, London.
2. Ofcom, "Technology Research Programme, Research & Development at Ofcom 2004/5", 24 October 2005.
3. B. Walters, "QinetiQ's 'stealth solution", Jane's Airport Review, 1 October 2001.
4. J. Rayleigh, "On the influence of obstacles arranged in rectangular order on the properties of a medium", Phil. Mag., Vol. 34, pp. 481-502, 1892.
5. L. K. H. van Beek, Dielectric behaviour of heterogeneous systems, Progress in Dielectrics, Heywood Books, New York, Vol. 7, pp. 69-114, 1967.
6. C Brosseau and A. Beroual, "Effective permittivity of composites with stratified particles", J. Phys. D: Appl. Phys., Vol. 34, pp. 704-710, 2001.
7. D. Stauffe and A. Aharony, Introduction to Percolation Theory, Taylor & Francis, Philadelphia, 1994.
8. R. McCullough, "Generalized combining rules for predicting transport properties of composite materials", Composite Sci. Technol., Vol. 22, pp. 3-21, 1985.
9. I. Youngs, "Dielectric measurements and analysis for the design of conductor/insulator artificial dielectrics", IEE Proc., Sci. Meas. & Tech., Vol. 147, pp. 202-208, 2000.
10. I. Youngs, Electrical percolation and the design of functional electromagnetic materials. PhD Thesis, University College, London, 2001.
11. I. Youngs, "Exploring the universal nature of electrical percolation exponents by genetic algorithm fitting with general effective medium theory", J. Phys. D: Appl. Phys., Vol. 35, pp. 3127-3137, 2002.
12. R.N. Clarke (Ed.), A Guide to the Characterisation of Dielectric Materials at RF and Microwave Frequencies, A National Physical Laboratory Good Practice Guide, HMSO, 2003.
13. S. Feng, B. Halperin and P. Sen, "Transport-properties of continuum-systems near the percolation-threshold", Phys. Rev. B, Vol. 35, pp. 197-214, 1987.
14. C. Chiteme and D. McLachlan, "Measurements of universal and nonuniversal percolation exponents in macroscopically similar systems", Physica B, Vol. 279, pp. 69-71, 2000.
15. I. Balberg, "A comprehensive picture of the electrical phenomena in carbon black-polymer composites", Carbon, Vol. 40, pp. 139-143, 2002.
16. A. Celzard and J. Marché, "Non-universal conductivity critical exponents in anisotropic percolating media: a new interpretation", Physica A, Vol. 317, pp. 305-312, 2003.
17. S. Vionnet-Menot, C Grimaldi, T. Maeder, S. Strässler and P. Ryser, "Tunneling-percolation origin of nonuniversality: Theory and experiments", Phys. Rev. B, Vol. 71, 064201, 2005.
18. J. Clero, G. Giraud, J. Laugier and J. Luck, "The AC electrical conductivity of binary disordered systems, percolation clusters, fractals and related models", Adv. in Physics, Vol. 39, pp. 191-305, 1990.
19. D. McLachlan, W. Heiss, C. Chiteme and J. Wu, "Analytic scaling functions applicable to dispersion measurements in percolative metalinsulator systems", Phys. Rev. B, Vol. 58, pp. 13558-13564, 1998.
20. J. Wu and D. McLachlan, "Scaling behaviour of the complex conductivity of graphite-boron nitride percolation systems", Phys. Rev. B, Vol. 58, 14880-14887, 1998.
21. Y. Gefen, A. Aharony and S. Alexander, "Anomalous diffusion on percolating clusters", Phys. Rev. Lett., Vol. 50, pp. 77-80, 1983.
22. R. Laibowitz and Y. Gefen, "Dynamical Scaling Near the Percolation Threshold in Thin Au Films" Phys. Rev. Lett., Vol. 53, pp. 380-383, 1984.
23. D. Bergman and Y. Imry, "Critical behaviour of the complex dielectric constant near the percolation threshold of a heterogeneous material", Phys. Rev. Lett., Vol. 39, pp. 1222-1225, 1977.
24. D. Bruggeman, "Berechnung verschiedener physikalischer konstanten von heterogenen susbstanzen, I. Dielektrizitätskonstanten und Leitfähigkeiten der Mischkörper aus isotropen Substanzen", Annalen der Physik Leipzig, Vol. 24, pp. 636-664, 1935.
25. D. McLachlan and M. Heaney, "Complex ac conductivity of a carbon black composite as a function of frequency, composition, and temperature", Phys. Rev. B, Vol. 60, pp. 12746-12751, 1999.
26. D. McLachlan, K. Cai, C. Chiteme and W. Heiss, "An analysis of dispersion measurements in pereolative metal-insulator systems using analytic scaling functions", Physica B, Vol. 279, pp. 66-68, 2000.
27. C. Brosseau, "Generalized effective medium theory and dielectric relaxation in particle-filled polymeric resins", J. Appl. Phys., Vol. 91, pp. 3197-3204, 2002.
28. S. Ramo, J. Whinnery and T. van Duzer, Fields and Waves in Communication Electronics, Wiley, New York, Chapter 6, 1984.
29. I. Youngs, "Anomalous electromagnetic behaviour in nanoscale composites", 4th IOM3 Briefing Workshop on Nanomaterials and Nanotechnology, Oxford, UK, 2003.
30. A. Sarychev, D. Bergman and Y. Yagil, "Theory of the optical and microwave properties of metal-dielectric films", Phys. Rev. B, Vol. 51, pp. 5366-5385, 1995.
31. F. Lux, "Models proposed to explain the electrical conductivity of mixtures made of conductive and insulating materials", J. Mater. Sci., Vol. 28, pp. 285-301, 1993.
32. I. Balberg, N. Binenbaum and N Wagner, "Percolation thresholds in the three-dimensional sticks system", Phys. Rev. Lett., Vol. 52, pp. 1465-1468, 1984.
33. I. Youngs, "A geometric percolation model for non-spherical excluded volumes", J. Phys. D: Appl. Phys., Vol. 36, pp. 738-747, 2003.
34. For example, G. Hu, C Zhao, S. Zhang, M. Yang and Z. Wang, "Low percolation thresholds of electrical conductivity and rheology in polyethylene terephthalate) through the networks of multi-walled carbon nanotubes", Polymer, Vol. 47, pp. 480-488, 2006.