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Magnetostrictive properties and microstructure of thermally annealed Sm-Fe thin films
- Issue Date
- Mar-2007
- Publisher
- Elsevier BV
- Keywords
- Sm-Fe thin film; SmFe2; magnetostriction
- Citation
- Materials Science and Engineering: A, v.449, pp 378 - 381
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- Materials Science and Engineering: A
- Volume
- 449
- Start Page
- 378
- End Page
- 381
- ISSN
- 0921-5093
1873-4936
- Abstract
- Polycrystalline Sm-Fe thin films were fabricated by annealing sputter-deposited Sm-Fe thin films. Although the annealing of the as-deposited Sm-Fe film tends to precipitate Fe grains, leading to a non-uniform microstructure and low magnetostriction coefficient, the thermal annealing performed in multiple steps produced a relatively large fraction of SmFe, with uniform grain size. The Sm-Fe thin film annealed at 400, 500, and 600 degrees C for 1 h at each step produced the highest magnetostriction coefficient in this study; -57 ppm at an applied field of 2.5 kOe.
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Related Researcher
- Yoon, Chong Seung
- COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)