New methods for preparing mercury-based ferrofluids | Zendy

Søren Linderoth | Zendy; Lars Holm Rasmussen | Zendy; S. Mo rup | Zendy

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New methods for preparing mercury-based ferrofluids

Author(s) -

Søren Linderoth,

Lars Holm Rasmussen,

S. Mo rup

Publication year - 1991

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.348124

Subject(s) - mercury (programming language) , aqueous solution , metal , ferrofluid , alloy , materials science , magnetization , mössbauer spectroscopy , transition metal , metal ions in aqueous solution , analytical chemistry (journal) , ion , magnetic nanoparticles , chemistry , nanoparticle , inorganic chemistry , metallurgy , magnetic field , crystallography , nanotechnology , chromatography , physics , biochemistry , quantum mechanics , organic chemistry , computer science , programming language , catalysis

Metallic ferrofluids based on magnetic particles in mercury have been produced by two new methods. Alloy particles of Fe‐B, Fe‐Co‐B, Fe‐Ni‐B, and Co‐B were prepared by reduction of the transition metal ions in aqueous solutions by NaBH4 and subsequently suspended in mercury. In one preparation, the metallic mercury was added to the solution with precipitates and in another method produced simultaneously with the precipitates by reduction of mercury ions to metallic mercury. The samples were characterized by magnetization and Mossbauer spectroscopy measurements.

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