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Development of NanoCAP (nano composite advanced particles) technology for high density recording

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4 Author(s)
Y. Sasaki ; Div. of Dev. & Technol., Hitachi Maxell Ltd., Kyoto, Japan ; N. Usuki ; K. Matsuo ; M. Kishimoto

In this paper, nanosized spherical magnetite particles, with the coercivity force of about 3000 Oe was developed. This material was named NanoCAP (nano composite advanced particles). This study described both magnetic and structural properties of NanoCAP. The crystal structure and the microstructure of the particles were examined using an X-ray diffractometer and high resolution transmission electron microscope, respectively. The obtained magnetization and coercivity of the particles were 89 emu/g and 2900 Oe, respectively. NanoCAP is expected to be the most promising candidate for ultrahigh capacity recording tapes.

Published in:

INTERMAG Asia 2005. Digests of the IEEE International Magnetics Conference, 2005.

Date of Conference:

4-8 April 2005