Bonding between single-crystal manganese-zinc ferrites using electric field

At a fixed temperature, the bonding efficiency was significantly improved when an electric field was applied in comparison to the bonding achieved in the absence of an electric field. The bonding efficiency was improved as the amount of current flow increased. Above 1100 C, however, the effect of th...

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Bibliographic Details
Published in:Journal of materials research 1998-11, Vol.13 (11), p.3191-3196
Main Authors: Byeon, Soon Cheon, Byun, Tae Young, Hong, Kug Sun
Format: Article
Language:English
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Summary:At a fixed temperature, the bonding efficiency was significantly improved when an electric field was applied in comparison to the bonding achieved in the absence of an electric field. The bonding efficiency was improved as the amount of current flow increased. Above 1100 C, however, the effect of the electric field on bonding was not obvious because thermally activated self-motion of atoms at these high temperatures outweighs the effect of the electric field. Bonding was improved when the oxygen partial pressure was high, and this was ascribed to a higher diffusion coefficient or transference number of the cations at higher oxygen partial pressures. Therefore, it is efficient to apply an electric field to the bonding couple at higher oxygen partial pressures in the single phase field at each temperature. 15 refs.
ISSN:0884-2914
2044-5326
DOI:10.1557/JMR.1998.0433