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Synthesis of Highly Magnetic, Air‐Stable Iron–Iron Carbide Nanocrystalline Particles by Using Power Ultrasound
Author(s) -
Nikitenko Sergei I.,
Koltypin Yuri,
Palchik Oleg,
Felner Israel,
Xu Xiao N.,
Gedanken Aharon
Publication year - 2001
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/1521-3773(20011203)40:23<4447::aid-anie4447>3.0.co;2-j
Subject(s) - nanocrystalline material , carbide , annealing (glass) , materials science , metallurgy , christian ministry , nanotechnology , political science , law
A coating of iron carbide and carbon confers air‐stability on the nanocrystalline iron particles that were prepared by sonolysis of [Fe(CO) 5 ] in diphenylmethane followed by annealing of the as‐prepared material. The saturation magnetization of this material (222 emu g −1 , see picture) is almost as high as that of bulk bcc iron.