{"title":"NiFe2O4 ultrafine particles prepared by co-precipitation/mechanical alloying","authors":"Y Shi, J Ding, X Liu, J Wang","doi":"10.1016/S0304-8853(99)00504-1","DOIUrl":null,"url":null,"abstract":"<div><div><span>Nickel ferrite ultrafine particles have been prepared by the combination of co-precipitation and mechanical alloying. Sodium chloride was added in order to avoid agglomeration. This work has shown that nickel ferrite phase can be formed directly during mechanical milling of hydroxide precursor. Ultrafine NiFe</span><sub>2</sub>O<sub>4</sub><span><span> particles were obtained after a simple washing process. The XRD study showed that sodium chloride can be efficiently removed during the washing with </span>deionized water. These ultrafine particles had a fairly uniform structure and a mean particle size of 10</span> <span>nm from the TEM measurement. The ultrafine powder possessed good soft magnetic properties and superparamagnetic behavior.</span></div></div>","PeriodicalId":366,"journal":{"name":"Journal of Magnetism and Magnetic Materials","volume":"205 2","pages":"Pages 249-254"},"PeriodicalIF":3.0000,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Magnetism and Magnetic Materials","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0304885399005041","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
Nickel ferrite ultrafine particles have been prepared by the combination of co-precipitation and mechanical alloying. Sodium chloride was added in order to avoid agglomeration. This work has shown that nickel ferrite phase can be formed directly during mechanical milling of hydroxide precursor. Ultrafine NiFe2O4 particles were obtained after a simple washing process. The XRD study showed that sodium chloride can be efficiently removed during the washing with deionized water. These ultrafine particles had a fairly uniform structure and a mean particle size of 10nm from the TEM measurement. The ultrafine powder possessed good soft magnetic properties and superparamagnetic behavior.
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The Journal of Magnetism and Magnetic Materials provides an important forum for the disclosure and discussion of original contributions covering the whole spectrum of topics, from basic magnetism to the technology and applications of magnetic materials. The journal encourages greater interaction between the basic and applied sub-disciplines of magnetism with comprehensive review articles, in addition to full-length contributions. In addition, other categories of contributions are welcome, including Critical Focused issues, Current Perspectives and Outreach to the General Public.
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