New Apparatus for Measuring the Complex Dielectric Constant of a Highly Conductive Material
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概要
- 論文の詳細を見る
Difficulties in measuring the contplex dielectric constant of a highly conductive material such as aqueous polyelectrolytes including biopolymers arise from (l) electrode polarization effect and (2) d.c. conductance of the specimen which is very much higher than the conductance due to dielectric loss and drifts with time. A new method has been developed in which the first difficulty is avoided by employing a four-electrode cell and the second orue is overcome by direct measurement of the frequency difference spectrum of specimen impedance, ΔZ(ω) =Z(ω)Z(ω_0), between the measuring frequency ω and the reference ω_o. By this procedure, the effect of frequency-independent d.c. conductance is eliminated. With the new method, the frequency range of dielectric measurement is extended from 0.2 Hz to 30 kHz.
- 社団法人応用物理学会の論文
- 1975-12-05
著者
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KANDA Hiroshi
Department of Pediatrics and Child Health, Kurume University School of Medicine
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SAKAMOTO MASANORI
Department of Clinical Laboratory and Medicine, Kyoto Prefectural University of Medicine
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HAYAKAWA Reinosuke
Department of Applied Physics, Faculty of Engineering, The University of Tokyo
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Wada Yasaku
Department Of Applied Physics Faculty Of Engineering University Of Tokyo
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Hayakawa Reinosuke
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo
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Wada Yasuo
Central Research Laboratory Hitach Ltd.
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Wada Yasaku
Department Of Applied Physics Faculty And Engineering University Of Tokyo
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Kanda H
National Inst. Polar Res. Tokyo Jpn
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Sakamoto Masanori
Department Of Applied Physics Faculty Of Engineering University Of Tokyo
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Kanda Hiroshi
Department Of Applied Physics Faculty Of Engineering University Of Tokyo:(present Address)central La
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