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High saturation ferromagnetic behavior of Fe: BN nanoceramic
Author(s) -
Oganisian Karen,
Gluchowski Pawel,
Vogt Andrzej,
Strek Wieslaw
Publication year - 2014
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.201330235
Subject(s) - nanoceramic , materials science , boron nitride , electrical resistivity and conductivity , saturation (graph theory) , ferromagnetism , amorphous solid , van der pauw method , composite material , magnetization , nuclear magnetic resonance , ceramic , condensed matter physics , magnetic field , hall effect , chemistry , crystallography , physics , mathematics , combinatorics , quantum mechanics , electrical engineering , engineering
We report on the magnetic iron boron nitride (BN) nanoceramic fabricated by a hot‐pressing (HP) method. Structural, magnetic and ac electrical conductivity studies have been performed. It was found that the material has core–shell structure where BN layers coat Fe cores. The iron cores consist of the mixture of crystalline and amorphous phases or are single crystalline. The magnetization measurements showed the expected high values of magnetic saturation and neither BN coating, nor increased strain affect the magnetic properties of this material, whereas other physical properties such as resistivity or hardness are significantly improved. The high magnetic saturation of the Fe:BN nanoceramic combined with relatively high resistivity makes this material very promising for radiofrequency application.