Chinese Physics C > 1997, Vol. 21 > Issue(S4): 93-98

Dimensional Changes of Amorphous Alloys Under Swift Ar Ion Irradiation

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou, China

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Small strips of amorphous alloys Fe _77.2Mn _0.8Si ₉B ₁₃, Fe ₃₉Ni ₃₉V ₂Si ₁₂B ₈, Fe ₄₇Ni ₂₉V ₂Si ₆B ₁₆, and Fe ⁴⁰Ni ₄₀Si ₁₂B ₈were irradiated below 50°K with 2.79 MeV/u Ar ions delivered from Heavy Ion Research Facility in Lanzhou (BDDRFL). The macroscopic dimensions of the samples were measured at room temperature before and after irradiation by means of optical microscopy. The observed dimensional changes of all the samples are very small for the low fluency of 1.5×10 ¹⁴Ar/cm ². Upon the increase of ion fluency to 1.6×10 ¹⁵Ar/cm ², dramatic and irreversible dimensional changes are observed and the measured relative changes in width, △ b/b ₀, are in the range of 4.3-12.0%. The results are qualitatively discussed.
- amorphous alloy,
- Ar ion irradiation,
- dimensional change

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Liu Changlong, Hou Mingdong, Wang Zhiguang, Cheng Song, Sun Youmei, Zhu Zhiyong, Jin Yunfan, Li Changlin, Wang Yinshu and Meng Qinghua. Dimensional Changes of Amorphous Alloys Under Swift Ar Ion Irradiation[J]. Chinese Physics C, 1997, 21(S4): 93-98.

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Received: 1996-11-10

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Supported by the National Natural Science Foundation of China and Natural Science Foundation of Gansu Province.

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沈阳化工大学材料科学与工程学院沈阳 110142

Dimensional Changes of Amorphous Alloys Under Swift Ar Ion Irradiation

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou, China

Received Date:1996-11-10

Fund Project:Supported by the National Natural Science Foundation of China and Natural Science Foundation of Gansu Province.

Abstract:Small strips of amorphous alloys Fe_77.2Mn_0.8Si₉B₁₃, Fe₃₉Ni₃₉V₂Si₁₂B₈, Fe₄₇Ni₂₉V₂Si₆B₁₆, and Fe⁴⁰Ni₄₀Si₁₂B₈were irradiated below 50°K with 2.79 MeV/u Ar ions delivered from Heavy Ion Research Facility in Lanzhou (BDDRFL). The macroscopic dimensions of the samples were measured at room temperature before and after irradiation by means of optical microscopy. The observed dimensional changes of all the samples are very small for the low fluency of 1.5×10¹⁴Ar/cm². Upon the increase of ion fluency to 1.6×10¹⁵Ar/cm², dramatic and irreversible dimensional changes are observed and the measured relative changes in width, △b/b₀, are in the range of 4.3-12.0%. The results are qualitatively discussed.

Dimensional Changes of Amorphous Alloys Under Swift Ar Ion Irradiation

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