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Fine particle magnetic properties and microstructures of nanocrystalline Fe-Cu-Nb-Si-B alloy at elevated temperatures by C.K. Kim; I. Skorvanek; R.C. O'Handley is a Materials Science article available to read on EtoBox.
What is Fine particle magnetic properties and microstructures of nanocrystalline Fe-Cu-Nb-Si-B alloy at elevated temperatures about?
Magnetic behavior in nanocrystalline Fe7aCulNb4.sSi13.sB 9 alloy is investigated by measurements of low and high field magnetization and coercivity over the temperature range from 300 K to 800 K. When the measuring temperatures approach the Curie temperature of intergranular amorphous phase To( .... ~ho,s), the nanocrystalline materials consist of ferromagnetic Fe-rich nanocrystals embedded in a weakly magnetic or non-magnetic matrix. Samples with different volume fractions of crystalline phase are prepared to investigate the nature and strength of inter-particle interactions between the nanocrystallites. It is shown that at temperatures above T¢(~mo~ho,s), the specimens with low fraction of nanocrystalline particles exhibit superparamagnetic behavior. In the case of specimens with increasing volume fraction of crystalline phase, the magnetic interaction between particles suppresses superparamagnetic fluctuations and superferromagnetic ordering of the particle magnetic moments above To( .... pho~ is observed.
Who reads Fine particle magnetic properties and microstructures of nanocrystalline Fe-Cu-Nb-Si-B alloy at elevated temperatures?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- C.K. Kim; I. Skorvanek; R.C. O'Handley
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd; Elsevier BV (ISSN 0921-5107)
- Published
- 1996
- Language
- EN
- Field
- Materials Science (Physical Sciences)