Differential Scanning Calorimetric Study of Solid State Amorphization and Crystallization in Zr/Co and Zr/Ni Multilayers
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概要
- 論文の詳細を見る
The processes of solid state amorphization (SSA) and subsequent crystallization in Zr/Co and Zr/Ni multilayered thin films have been studied by differential scanning calorimetry (DSC). The thermodynamic values, i.e., the enthalpy change ΔH_a and the activation energy E_a for amorphization as well as the enthalpy change ΔH_x and the activation energy E_x for crystallization have been evaluated from the DSC experiments. These values were compared with those of the corresponding rapidly quenched amorphous alloys. The activation energies E_a, calculated by the modified Ozawa method, are 150 and 132 kJmol^<-1> for Zr/Co and Zr/Ni multilayers respectively. These values are equivalent to the previously reported activation energy of diffusion of Co or Ni in the rapidly quenched amorphous Zr-Co or Zr/Ni alloys.
- 東北大学の論文
- 1993-03-29
著者
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MASUMOTO Tsuyoshi
Institute for Materials Research, Tohoku University
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Masumoto T
The Research Institute Of Electrical And Magnetic Materials
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Aoki K
Tohoku Univ. Sendai Jpn
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Aoki Kiyoshi
The Research Institute For Iron Steel And Other Metals
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AIHARA Tomoyasu
Institute for Materials Research, Tohoku University
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Aoki Kiyoshi
Institute For Materials Research
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Aoki Kiyoshi
Institute For Materials Research Tohoku University
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Aihara T
Institute For Materials Research Tohoku University
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Aihara Tomoyasu
Institute For Materials Research Tohoku University
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Masumoto Tsuyoshi
Institute For Materials Research
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Aoki Kiyoshi
Institute for Materials Research, Tohoku University
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