Anisotropy in thin film galfenol deposited on LiNbO3 as measured by MOKE
Source abstract
Abstract
Abstract We report the magnetic anisotropy of films of the magnetostrictive alloy galfenol deposited on a LiNbO3 substrate measured with the magneto-optic Kerr effect (MOKE). This anisotropy is present in 250 nm thick films but is absent in 600 nm thick films, most probably showing a loss in epitaxy with thickness. An anisotropy constant of k u = 3.45kJm−3 is deduced. Magnetic stripe domains (width 30 μm) oriented along the easy axis, parallel to the substrate ( 1 1 ¯ 00 ) axis, could be created and imaged.
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Research context
OpenAlex topics: Magnetic Properties and Applications · Magneto-Optical Properties and Applications · Magnetic properties of thin films
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References (23)
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1. A.E. Clark, K.B. Hathaway, M. Wun-Fogle, J.B. Restorff, T.A. Lograsso, V.M. Keppens, G. Petculescu, R.A. Taylor, Extraordinary magnetoelasticity and lattice softening in bcc Fe-Ga alloys, J. Appl. Phys. 93 (10 3) (2003) 8621–8623. doi:10.1063/1.1540130.10.1063/1.1540130 ↗
2. Integration of thin-film galfenol with MEMS cantilevers for magnetic actuation
3. Performance of energy harvester using iron-gallium alloy in free vibration10.1109/TMAG.2011.2158303 ↗
4. Writing magnetic patterns with surface acoustic waves10.1063/1.4863170 ↗
5. Structural transformations in quenched Fe-Ga alloys10.1016/S0925-8388(02)00933-7 ↗
6. Structure, magnetic properties and magnetostriction of Fe81Ga19 thin films10.1016/j.jmmm.2007.08.022 ↗
7. Phase equilibria and stability of ordered b.c.c. phases in the Fe-rich portion of the Fe-Ga system10.1016/S0925-8388(02)00791-0 ↗
8. Structural ordering and magnetic properties of Fe100 - xGax alloys10.1016/j.scriptamat.2008.06.034 ↗
9. Role of nanoscale precipitates on the enhanced magnetostriction of heat-treated galfenol (Fe1-xGax) alloys10.1103/PhysRevLett.102.127201 ↗
10. Phase diagram of magnetostrictive Fe-Ga alloys: insights from theory and experiment10.1080/01411594.2018.1556268 ↗
11. Structure, magnetic and magnetostrictive properties of as-deposited Fe-Ga thin films10.1016/j.jmmm.2009.04.039 ↗
12. Influence of substrate temperature on structure, microstructure and magnetic properties of sputtered Fe-Ga thin films10.1016/j.jmmm.2015.02.021 ↗
13. Enhancement of magnetostrictive properties of Galfenol thin films10.1016/j.jmmm.2017.11.030 ↗
14. D. Cao, X. Cheng, L. Pan, H. Feng, C. Zhao, Z. Zhu, Q. Li, J. Xu, S. Li, Q. Liu, J. Wang, Tuning high frequency magnetic properties and damping of FeGa, FeGaN and FeGaB thin films, AIP Adv. 7 (11). doi:10.1063/1.5001716.10.1063/1.5001716 ↗
15. N.A. Morley, A. Javed, M.R.J. Gibbs, Effect of a forming field on the magnetic and structural properties of thin Fe–Ga films, J. Appl. Phys. 105 (7) (2009) 07A912:1–3. doi:10.1063/1.3059612.10.1063/1.3059612 ↗
16. Thickness dependence of magnetic and structural properties in Fe80Ga20 thin films10.1063/1.3368107 ↗
17. Magnetism and transport properties of epitaxial Fe-Ga thin films on GaAs(001)10.1063/1.3677873 ↗
18. Growth and Magnetic Properties of RF Sputtered Fe-Ga Thin Films10.1590/1516-1439.349014 ↗
19. K. Uchino, The development of piezoelectric materials and the new perspective, in: Advanced Piezoelectric Materials: Science and Technology, 2010, pp. 1–85. doi:10.1533/9781845699758.1.10.1533/9781845699758.1 ↗
20. C. Clark, Development of a Modulation-Based Magneto-Optic Kerr Effect (MOKE) Microscope, Ph.D. thesis, University of Edinburgh (2020). doi:10.7488/era/407.
21. S. Chikazumi, Physics of Ferromagnetism, Vol. 94, Oxford University Press on Demand, 1997. doi:10.1007/978-3-642-25583-0.10.1093/oso/9780198517764.003.0006 ↗
22. Induced magnetic anisotropy in stress-annealed galfenol alloys10.1109/TMAG.2006.878395 ↗
23. Induced magnetic anisotropy in stress-annealed Galfenol laminated rods10.1088/0964-1726/18/10/104004 ↗