Frequency dependent electrical properties of polycrystalline olivine compacts

J. J. Roberts; James Tyburczy

doi:10.1029/91jb01574

Frequency dependent electrical properties of polycrystalline olivine compacts

J. J. Roberts, James Tyburczy

Earth and Space Exploration, School of (SESE)

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132 Scopus citations

Abstract

The complex electrical properties of polycrystalline San Carlos olivine compacts were measured over the range of frequency 10^-4-10⁴ Hz from 800° to 1400°C under controlled oxygen fugacity. The impedance data display a strong frequency dependence that is evidenced most clearly when the results are displayed in the complex impedance plane. A parameterized model of the frequency dependent electrical response using equivalent electrical circuits is presented. Two distinct conduction mechanisms of the sample are observed: grain interior and grain boundary conduction. Each occurs over a different range of frequency. -from Authors

Original language	English (US)
Pages (from-to)	16,205-16,222
Journal	Journal of geophysical research
Volume	96
Issue number	B10
DOIs	https://doi.org/10.1029/91jb01574
State	Published - 1991

ASJC Scopus subject areas

Condensed Matter Physics
Materials Chemistry
Polymers and Plastics
Physical and Theoretical Chemistry

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10.1029/91jb01574

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title = "Frequency dependent electrical properties of polycrystalline olivine compacts",

abstract = "The complex electrical properties of polycrystalline San Carlos olivine compacts were measured over the range of frequency 10-4-104 Hz from 800° to 1400°C under controlled oxygen fugacity. The impedance data display a strong frequency dependence that is evidenced most clearly when the results are displayed in the complex impedance plane. A parameterized model of the frequency dependent electrical response using equivalent electrical circuits is presented. Two distinct conduction mechanisms of the sample are observed: grain interior and grain boundary conduction. Each occurs over a different range of frequency. -from Authors",

author = "Roberts, {J. J.} and James Tyburczy",

year = "1991",

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AU - Roberts, J. J.

AU - Tyburczy, James

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AB - The complex electrical properties of polycrystalline San Carlos olivine compacts were measured over the range of frequency 10-4-104 Hz from 800° to 1400°C under controlled oxygen fugacity. The impedance data display a strong frequency dependence that is evidenced most clearly when the results are displayed in the complex impedance plane. A parameterized model of the frequency dependent electrical response using equivalent electrical circuits is presented. Two distinct conduction mechanisms of the sample are observed: grain interior and grain boundary conduction. Each occurs over a different range of frequency. -from Authors

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JO - Journal of geophysical research

JF - Journal of geophysical research

IS - B10

ER -

Frequency dependent electrical properties of polycrystalline olivine compacts

Abstract

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