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Volume: 49 | Article ID: art00009
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Dark Conductivity Measurement of Silver Halide Microcrystals Using a Microwave Technique
  DOI :  10.2352/J.ImagingSci.Technol.2005.49.5.art00009  Published OnlineSeptember 2005
Abstract

A new method for measuring the dark conductivity of emulsion microcrystals using a microwave technique is described. The principle behind this method is the reduction of the resonant cavity 'quality factor' which occurs due to the electric power loss associated with the conductivity of microcrystals present in the cavity. Measured conductivity of both cubic and octahedral microcrystals was greater for smaller sized crystals of either habit. For crystals of the same size, conductivity was greater for the octahedral crystals. These results coincide well with reported ionic conductivity measurements of silver halide microcrystals. However, the values obtained by the proposed method differ from those obtained elsewhere with the conventional dielectric loss method. In this new method, unlike in the dielectric loss method, crystal shape does not influence the measurement.

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Akira Hasegawa, Tomoaki Ishikawa, Yoshifumi Yumoto, Kenichi Kuge, "Dark Conductivity Measurement of Silver Halide Microcrystals Using a Microwave Techniquein Journal of Imaging Science and Technology,  2005,  pp 520 - 525,  https://doi.org/10.2352/J.ImagingSci.Technol.2005.49.5.art00009

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