Ion beam induced phase transformation in Fe-Mn bilayers: a Mossbauer study

被引：4
|
作者：
Carpene, E
Caccavale, F
Gratton, LM
Lo Russo, S
Perin, A
Principi, G
Tosello, C
Zandolin, S
机构：
[1] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy
[2] Univ Trent, Dipartimento Fis, I-38050 Trent, Italy
[3] Ist Nazl Fis Mat, Unita Trento, Trent, Italy
[4] Univ Padua, Dipartimento Ingn Meccan, I-35131 Padua, Italy
[5] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Padua, Italy
[6] Ist Nazl Fis Mat, Unita Padova, Padua, Italy
来源：
HYPERFINE INTERACTIONS | 1998年 / 113卷 / 1-4期
关键词：
D O I：
10.1023/A:1012604606759
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Ion-beam mixing of Fe-Mn bilayers induced by 100 keV krypton ions in the dose range (0.1-15) x 10(15) ions/cm(2) has been studied by means of conversion electron Mossbauer spectroscopy and X-ray diffraction. The results indicate that a dose of about 1 x 10(15) Kr+/cm(2) is sufficient to induce an appreciable mixing between the two atomic species. The alpha-Fe(Mn) solid solution presents a maximum at this dose, while at higher doses also the epsilon and gamma Fe-Mn phases are formed in an appreciable amount. Heating of irradiated samples evidences the metastable character of epsilon phase and favours the growth of the terminal structures alpha-Fe(Mn) and alpha-Mn(Fe) of the Fe-Mn equilibrium phase diagram.
引用
收藏
页码：419 / 427
页数：9
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