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强迫水解法制备纺锤形α-Fe_2O_3微粒的研究
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强迫水解法制备纺锤形α-Fe_2O_3微粒的研究
强迫水解法制备纺锤形α-Fe_2O_3微粒的研究
民福
民任 福
民任 福
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1 April 1991
journal article
Published by
Science China Press., Co. Ltd.
in
Chinese Science Bulletin
Vol. 36
(8)
,
627-629
https://doi.org/10.1360/csb1991-36-8-627
Abstract
无极磁粉的制备及其应用,标志着单轴磁记录材料的重要进展. 无极磁粉的前身nFe_2O_3,可直接从铁盐溶液水解而获得. 它省略了传统磁粉生产过程中的铁黄脱水,消除了磁粉内部的孔洞. 并由于其具有纺锤形所赋予的特性,无自退磁源,表面平滑,分散性好,因而无极磁粉是实现高记录密度的理想材料.
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