In situ probing of magnetic parameter variations of nickel zinc ferrites during microwave H heating

R. D. Peelamedu, D. C. Dube, M. T. Lanagan, D. Agrawal

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Abstract

Changes in magnetic parameters of nickel zinc ferrite (NZF) ceramics have been monitored in situ during microwave H heating using an indigenous technique developed in the laboratory. The technique utilizes the concept based on combining a small measurement signal with a high power-processing signal, which permits a study on materials heated either in an electric or in a magnetic field of a TM103 single mode cavity. Coupling and decoupling of these two signals are suggested by the use of a simple arrangement. Experimental results obtained on various compositions of NZF ceramics up to 1200 °C are presented. The results indicate that the higher zinc end compositions of the ferrites demonstrate the phenomenon of decrystallization under the influence of microwave H.

Original languageEnglish (US)
Article number204108
JournalApplied Physics Letters
Volume88
Issue number20
DOIs
StatePublished - May 15 2006

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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