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Title: Temperature dependence of magnetoelastic properties of Fe100-xSix (5 < x < 20)

Abstract

Tetragonal magnetostriction (λγ,2) and elastic constants (c', c44, and c11) for Fe100-xSix were measured as a function of temperature (T). Compositions corresponding to the disordered A2 (x = 5), ordered D03 (x = 19.8), and mixed (x = 11.6) phases, were investigated. The magnetoelastic coupling (-b1) was determined for 77 < T < 300 K and compared with those of Fe-Ga, Fe-Ge, and Fe-Al. Both λγ,2(T) and -b1(T) of Fe-Si behave similarly to those of Fe-Ge, while other notable differences exist between the measured properties of Fe-Si and those of the other three alloys. Due to the early establishment of short range order, Fe-Si exhibits a positive, although small, slope in λγ,2(T) at 5 at. % Si, and a remarkable drop in -b1 before the solubility limit. The weaker softening of the tetragonal shear modulus with the addition of Si and the lack of strong anharmonic effects in the Fe-Si lattice inferred from the weak T-dependence of all the moduli suggest that Fe-Si exhibits more structural stability than the other three alloys. The distinctive behavior is likely due to the smaller size of Si compared to the sizes of Ga, Ge and Al, and therefore to the effect of themore » larger size difference between Fe and Si in the Fe-Si lattice.« less

Authors:
 [1];  [2];  [3];  [4];  [5];  [5];  [6];  [6]
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  1. University of Louisville at Lafayette, Lafayette, KY (United States)
  2. University of Maryland, College Park, MD (United States)
  3. Clark Associates, Adelphi, MD (United States)
  4. G/J Associates, Annapolis, MD (United States)
  5. Ames Laboratory (AMES), Ames, IA (United States)
  6. Naval Surface Warfare Center, Bethesda, MD (United States)
Publication Date:
Research Org.:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); US Department of the Navy, Office of Naval Research (ONR)
OSTI Identifier:
1045788
Report Number(s):
IS-J-7701
Journal ID: ISSN 0021-8979
Grant/Contract Number:  
AC02-07CH11358
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Applied Physics
Additional Journal Information:
Journal Volume: 111; Journal Issue: 7; Journal ID: ISSN 0021-8979
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; acoustic spectroscopy; magnetic fields; Bridgman-Stockbarger method; electron probe microanalysis; elastic modulus; alloys; materials heat treatment; shear modulus; coupling constants

Citation Formats

Petculescu, G., Lambert, P. K., Clark, A. E., Hathaway, K. B., Xing, Q., Lograsso, T. A., Restorff, J. B., and Wun-Fogle, M. Temperature dependence of magnetoelastic properties of Fe100-xSix (5 < x < 20). United States: N. p., 2012. Web. doi:10.1063/1.3673857.
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Petculescu, G., Lambert, P. K., Clark, A. E., Hathaway, K. B., Xing, Q., Lograsso, T. A., Restorff, J. B., & Wun-Fogle, M. Temperature dependence of magnetoelastic properties of Fe100-xSix (5 < x < 20). United States. https://doi.org/10.1063/1.3673857
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Petculescu, G., Lambert, P. K., Clark, A. E., Hathaway, K. B., Xing, Q., Lograsso, T. A., Restorff, J. B., and Wun-Fogle, M. Wed . "Temperature dependence of magnetoelastic properties of Fe100-xSix (5 < x < 20)". United States. https://doi.org/10.1063/1.3673857. https://www.osti.gov/servlets/purl/1045788.
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@article{osti_1045788,
title = {Temperature dependence of magnetoelastic properties of Fe100-xSix (5 < x < 20)},
author = {Petculescu, G. and Lambert, P. K. and Clark, A. E. and Hathaway, K. B. and Xing, Q. and Lograsso, T. A. and Restorff, J. B. and Wun-Fogle, M.},
abstractNote = {Tetragonal magnetostriction (λγ,2) and elastic constants (c', c44, and c11) for Fe100-xSix were measured as a function of temperature (T). Compositions corresponding to the disordered A2 (x = 5), ordered D03 (x = 19.8), and mixed (x = 11.6) phases, were investigated. The magnetoelastic coupling (-b1) was determined for 77 < T < 300 K and compared with those of Fe-Ga, Fe-Ge, and Fe-Al. Both λγ,2(T) and -b1(T) of Fe-Si behave similarly to those of Fe-Ge, while other notable differences exist between the measured properties of Fe-Si and those of the other three alloys. Due to the early establishment of short range order, Fe-Si exhibits a positive, although small, slope in λγ,2(T) at 5 at. % Si, and a remarkable drop in -b1 before the solubility limit. The weaker softening of the tetragonal shear modulus with the addition of Si and the lack of strong anharmonic effects in the Fe-Si lattice inferred from the weak T-dependence of all the moduli suggest that Fe-Si exhibits more structural stability than the other three alloys. The distinctive behavior is likely due to the smaller size of Si compared to the sizes of Ga, Ge and Al, and therefore to the effect of the larger size difference between Fe and Si in the Fe-Si lattice.},
doi = {10.1063/1.3673857},
journal = {Journal of Applied Physics},
number = 7,
volume = 111,
place = {United States},
year = {Wed Feb 29 00:00:00 EST 2012},
month = {Wed Feb 29 00:00:00 EST 2012}
}
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https://doi.org/10.1063/1.3673857
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Works referenced in this record:

The effect of partial substitution of Ge for Ga on the elastic and magnetoelastic properties of Fe–Ga alloys
journal, May 2010

  • Petculescu, G.; Mandru, A. O.; Yuhasz, W. M.
  • Journal of Applied Physics, Vol. 107, Issue 9
  • DOI: 10.1063/1.3368108

Magnetoelasticity of Fe–Si single crystals
journal, April 2010

  • Xing, Q.; Wu, D.; Lograsso, T. A.
  • Journal of Applied Physics, Vol. 107, Issue 9
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Extraordinary magnetoelasticity and lattice softening in bcc Fe-Ga alloys
journal, May 2003

  • Clark, A. E.; Hathaway, K. B.; Wun-Fogle, M.
  • Journal of Applied Physics, Vol. 93, Issue 10
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Temperature dependence of the magnetostriction and magnetoelastic coupling in Fe100−xAlx (x=14.1,16.6,21.5,26.3) and Fe50Co50
journal, April 2008

  • Clark, A. E.; Restorff, J. B.; Wun–Fogle, M.
  • Journal of Applied Physics, Vol. 103, Issue 7
  • DOI: 10.1063/1.2831360

Magnetoelasticity of Fe$_{100-x}$Ge$_{x}(5 ≪ x ≪ 18)$ Single Crystals From 81 K to 300 K
journal, October 2009

  • Petculescu, G.; LeBlanc, J. B.; Wun-Fogle, M.
  • IEEE Transactions on Magnetics, Vol. 45, Issue 10
  • DOI: 10.1109/TMAG.2009.2025969

Large magnetostriction ofFe1−xGexand its electronic origin: Density functional study
journal, September 2009

Rigid band model for prediction of magnetostriction of iron-gallium alloys
journal, February 2010

  • Zhang, Y. N.; Cao, J. X.; Wu, R. Q.
  • Applied Physics Letters, Vol. 96, Issue 6
  • DOI: 10.1063/1.3318420

Magnetocrystalline anisotropy of Fe-Si alloys on MgO(001)
journal, April 2010

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