Ion-irradiation-assisted phase selection in single crystalline Fe7Pd3 ferromagnetic shape memory alloy thin films: from fcc to bcc along the Nishiyama-Wassermann path.
Ion-irradiation-assisted phase selection in single crystalline Fe7Pd3 ferromagnetic shape memory alloy thin films: from fcc to bcc along the Nishiyama-Wassermann path.
复制标题
单晶 Fe7Pd3 铁磁形状记忆合金薄膜中的离子辐照辅助相选择:沿着 Nishiyama-Wassermann 路径从 fcc 到 bcc
DOI:
10.1103/physrevlett.109.195704
复制
发表时间:
2012
影响因子:
8.6
通讯作者:
S.G. Mayr
中科院分区:
文献类型:
--
作者:
A. Arabi-Hashemi;S.G. Mayr
When processing Fe-Pd ferromagnetic shape memory thin films, selection of the desired phases and their transformation temperatures constitutes one of the largest challenges from an application point of view. In the present contribution we demonstrate that irradiation with 1.8 MeVions is the method of choice to achieve this goal: Single crystallinethin films that are grown with molecular beam epitaxy on MgO (001) substrates and subsequently irradiated with ions reveal a phase transformation along the whole phase transformation path ranging from fcc austenite to bcc martensite. While fora fcc-fct phase transformation is observed, increasing the fluence toandleads to a phase transformation to the bcc phase. Pole figure measurements reveal an orientation relationship for the fcc-bcc phase transformation according to Nishiyama and Wassermann.
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DOI:
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发表时间:
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