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Dependence of Order...
Dependence of Ordering Kinetics of FePt Thin Films on Different Substrates
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- Zha, Chaolin (författare)
- KTH,Mikroelektronik och tillämpad fysik, MAP
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He, S. H. (författare)
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Ma, B. (författare)
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Zhang, Z. Z. (författare)
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Gan, F. X. (författare)
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Jin, Q. Y. (författare)
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(creator_code:org_t)
- 2008
- 2008
- Engelska.
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Ingår i: IEEE transactions on magnetics. - 0018-9464 .- 1941-0069. ; 44:11, s. 3539-3542
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- FePt thin films are deposited on SMO3, MgO, and a 2 nm-FeOx underlayer on an Si substrate at room temperature and then annealed at elevated temperatures. Studies of the L1(0) ordering process in each case show that the ordering temperature for the FePt film on the nonepitaxial Si/FeOx substrate is similar to 150 degrees C lower than the epitaxial FePt films deposited on MgO and SrTiO3 substrates. We argue that internal stresses arising from lattice defects and a recrystallizing process as well as thermal strain from differences in thermal expansion between substrate and film are responsible for the differences in ordering kinetics from the A1 to L1(0) phase of FePt on the various substrates.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Epitaxial growth
- FePt
- nonepitaxial growth
- ordering kinetics
- Electrical engineering, electronics and photonics
- Elektroteknik, elektronik och fotonik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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