Effective cluster model of dielectric enhancement in metal-insulator composites

Doyle, William T.; Jacobs, I. S.

doi:10.1103/physrevb.42.9319

Cited by 92 publications

(38 citation statements)

References 20 publications

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“…The problem of determining the effective conductivity (electrical and thermal) of composite materials has been discussed for a long time. The effective conductivity is determined using the perturbation theory [11] when the degree of heterogeneity of a system is small, using the percolation theory when the medium is highly heterogeneous [12][13][14][15][16] and using the effective medium theory in the intermediate case [17][18][19][20][21][22]. Experimental results for the electric conductivity and other coefficients of kinetic effects obtained in this work are basically interpreted as qualitative within the framework of the effective medium theory.…”

Section: Resultsmentioning

confidence: 99%

Features of electron and phonon processes in GaSb–FeGa_1.3eutectics

Aliyev¹,

Khalilova²,

Arasly³

et al. 2003

J. Phys. D: Appl. Phys.

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Eutectic alloys of GaSb-FeGa 1.3 were prepared by the vertical Bridgman method. A microstructure with the needle-shaped metallic FeGa 1.3 phase oriented in a specific direction and uniformly distributed within the GaSb matrix was obtained. In GaSb-FeGa 1.3 eutectics, the electrical and thermal conductivity, thermal diffusivity, thermoelectric power and Hall coefficients were investigated in a wide temperature range. These properties were measured at different mutual directions of current, thermal flow, magnetic field and metal phase inclusions. The influence of metallic inclusions on these properties was revealed and the distinctive characteristics of electron and phonon processes were established.

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Section: Resultsmentioning

confidence: 99%

Features of electron and phonon processes in GaSb–FeGa_1.3eutectics

Aliyev¹,

Khalilova²,

Arasly³

et al. 2003

J. Phys. D: Appl. Phys.

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show abstract

“…In general, the percolation threshold occurs at 0.2 < f pc < 0.75. Thus for cubic lattices the maximum possible f are 0.52, 0.68, and 0.74, for sc, bcc, and fcc lattices, respectively [5]. In Co-SiO 2 for instance, f pc is about 0.55, while it equals to 0.25 for Co-Al 2 O 3 [6].…”

Section: Optics Of the Composite Mediamentioning

confidence: 97%

Magnetooptics of Granular Materials and New Optical Methods of Magnetic Nanoparticles and Nanostructures Imaging

Belotelov

Perlo

Zvezdin³

2004

Metal–Polymer Nanocomposites

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“…These inclusions are typically in the nano or micro-scale size or can be micro-sized clusters of nanoparticles. The inclusions can be dielectric [2], [11], [16] or metallic/conducting [6], [7], [10], [17], [18]. Different lattice arrangements of these particles within the homogenous media are also possible.…”

Section: Introductionmentioning

confidence: 99%