Influence of the Stress State on $L1_{0}$-FePt Phase Formation within the Fe$_{52}$Pt$_{48}$ Film on Al$_{2}$O$_{3}$ Substrate
作者: M. Yu. Verbytska, M. N. Shamis, K. V. Slipchenko, T. I. Verbytska, Iu. M. Makogon
作者单位: 1National Technical University of Ukraine ‘KPI’, 37 Peremohy Ave., 03056 Kyiv, Ukraine
2V. Bakul Institute for Superhard Materials NAS of Ukraine, 2 Avtozavods’ka Str., 04074 Kyiv, Ukraine
刊名: Metallofiz. Noveishie Tekhnol., 2017, Vol.39 (1), pp.105-115
来源数据库: G.V. Kurdyumov Institute for Metal Physics, National Academy of Science of the Ukraine
DOI: 10.15407/mfint.39.01.0105
关键词: nanosize film$L1_{0}$-FePt-ordered phasestress statecoercivityannealing.
原始语种摘要: The effect of stress state on the thermally activated processes of $L1_{0}$-FePt-ordered phase formation at annealing as well as the magnetic properties of Fe$_{52}$Pt$_{48}$(15 nm) film are studied by the physical materials science methods. The film is fabricated by magnetron sputtering technique on monocrystalline Al$_{2}$O$_{3}$ ($10\bar{1}0$) sapphire substrate. Rapid thermal annealing in nitrogen atmosphere carried out with heat rate of 400°C/s in temperature range of 500–800°C for 30 s. As determined, the disordered $A1$-FePt phase is formed in as-deposited film, and tensile residual mechanical stresses are presented. At the heating up to 500°C, the sign of stresses is changed, and the last ones become compressive. The $A1$-FePt $\rightarrow$ $L1_{0}$-FePt phase transformation...
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  • ordered 有序的
  • Substrate 感光胶层、基片
  • formation 建造
  • Pt 
  • annealing 热处理
  • coercivity 矫顽性
  • thermally 热地
  • magnetic 磁的
  • tensile 拉的
  • temperature 温度