Study on Irradiation Response of Nanocrystalline Phase in Sm-Doping Fluorapatite Glass-Ceramics under He Ion Irradiation

被引：0
作者：
Lin, Zhiwei [1 ]
He, Huanhuan [1 ]
Jiang, Shengming [1 ]
Hu, Xiaotian [1 ]
Zhang, Jian [1 ]
Miao, Huifang [1 ]
机构：
[1] Xiamen Univ, Coll Energy, Xiamen 361005, Peoples R China
来源：
NANOMATERIALS | 2022年 / 12卷 / 07期
基金：
中国国家自然科学基金;
关键词：
glass-ceramics; ion irradiation; helium bubble; nanocrystal; NUCLEAR-WASTE; INDUCED AMORPHIZATION; RADIATION; STABILITY; DAMAGE; BULK;
D O I：
10.3390/nano12071194
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Two different of Sm-loading fluorapatite (Ca10-2xNaxSmx(PO4)(6)F-2, x = 1 and 2) glass-ceramics were synthesized by a two-step melt sintering method. The samples were irradiated with 50 keV He+ ions with a fluence of 2.6 x 10(16) ions/cm(2) at 593 K. The irradiation induced microstructural evolution were characterized by grazing incidence X-ray diffraction and cross-sectional transmission electron microscopy. For the smaller Sm-doping samples, no phase transformation is observed. Meanwhile, in the lager Sm-doping samples, the irradiation induced the crystals into smaller nanocrystals. The mechanism of the transformation of the crystalline phase was also analyzed and discussed.
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页数：9
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