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EBL thickness and transition parameter in perpendicular oxide media

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7 Author(s)
N. F. Supper ; Hitachi, San Jose Research Center, San jose, CA, USA ; D. T. Margulies ; Y. Ikeda ; A. Moser
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This paper investigates the effect of varying the exchange-break-layer thicknesses (leading to a change in intergranular exchange) on spectral rolloff and the transition parameter (a-parameter). The rolloff curves are obtained by measuring the amplitude of the fundamental harmonic peak at each written density. A systematic increase of the low frequency amplitude is observed as the EBL thickness decrease.

Published in:

INTERMAG 2006 - IEEE International Magnetics Conference

Date of Conference:

8-12 May 2006