Effects of Boron Addition to the Atomic Structure and Soft Magnetic Properties of FeCoB Films
Journal Article
·
· Journal of Applied Physics
The magnetic, microwave, and the atomic structure properties of (Fe0.7Co0.3)1?xBx sputtered films on glass substrates were investigated. The addition of boron induced a decrease in coercivity and ferromagnetic resonance linewidth. The amorphous structure was formed at x ? 0.075. Extended x-ray absorption fine structure (EXAFS) of Fe and Co showed the reduced Fourier transform (FT) amplitude, and increased Debye-Waller factors as x was increased, indicating the increased disorder due to the thermal and structural displacements. Possible Fe-B bonding was observed with a reduced bond length, which indicates boron atoms' preference for staying in the interstitial sites in bcc unit cell.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source
- Sponsoring Organization:
- Doe - Office Of Science
- DOE Contract Number:
- DE-AC02-98CH10886
- OSTI ID:
- 959694
- Report Number(s):
- BNL-82680-2009-JA; JAPIAU; TRN: US1005783
- Journal Information:
- Journal of Applied Physics, Vol. 103; ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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