PHASE FORMATION DURING ION-BEAM MIXING OF TRANSITION-METAL MULTILAYERS

被引:24
|
作者
BOTTIGER, J
DYRBYE, K
PAMPUS, K
POULSEN, R
机构
[1] Univ of Aarhus, Denmark
关键词
Cobalt and Alloys - Ion Beams - Iron and Alloys - Microscopic Examination--Transmission Electron Microscopy - Thermodynamic Properties;
D O I
10.1080/01418618908229785
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Evaporated films of alternating layers of early and late transition metals have been ion beam mixed with inert-gas ions for the study of the phase formation during ion irradiation. The mixing was performed with 500 keV Ar+ and Xe+. In addition, a few co-deposited amorphous films were irradiated, using 200 keV Ne+ and 500 keV Xe+ ions. All the ions fully penetrate the films of approximate thickness 800 angstrom. The microstructure was investigated by transmission electron microscopy and X-ray diffraction. The homogeneity and composition were checked by Rutherford backscattering spectrometry. The glass-forming ranges of Fe-Zr, Co-Zr, Ni-Zr, Ni-Ti and Ni-Nb were studied as functions of composition, temperature (30-750K) and ion mass. The measured glass-forming ranges are discussed in relation to thermodynamic parameters such as the heat of mixing and equilibrium solid solubilities.
引用
收藏
页码:569 / 580
页数:12
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