碳离子辐照改变 Y2SiO5 晶体的微观结构、机械和光学特性

IF 4.4 2区物理与天体物理 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Results in Physics Pub Date : 2024-10-12 DOI:10.1016/j.rinp.2024.108015

Hong-Lian Song , Xiao-Fei Yu , Sen Sun , Jian He , Yu-Mei Huang

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引用次数: 0

摘要

正硅酸钇 Y2SiO5 晶体是硅酸盐家族的一员，在掺杂稀土或过渡金属离子后，可成为用途广泛的多功能材料。然而，迄今为止，有关离子辐照对 Y2SiO5 晶体结构影响的研究还很有限。本文利用互补表征技术，研究了不同通量的碳离子照射前后对 Y2SiO5 晶体的微观结构、机械和光学性能的影响。结果表明，碳离子辐照造成晶格紊乱和损伤，导致结构退化和光学性能变化，如光带隙能降低（从 5.77 eV 降至 5.44 eV），有效折射率（neff）发生变化，形成 "井+势垒 "型和 "势垒 "型波导。此外，碳离子照射后弹性模量也有所增加。这些结果将有助于了解碳离子辐照对 Y2SiO5 晶体的损伤研究，并证明离子束技术可用于材料改性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Modification of microstructural, mechanical and optical properties with carbon ion irradiation in Y2SiO5 crystals

Yttrium orthosilicate Y₂SiO₅ crystals, a member of the silicate family, are versatile and multifunctional materials when doped with rare earth or transition metal ions. However, there have been limited investigations into the impact of ion irradiation on the crystal structure of Y₂SiO₅ crystals to date. In this paper, the effect of microstructure, mechanical and optical properties of Y₂SiO₅ crystal before and after different fluences of carbon ions irradiation was investigated utilizing complementary characterization techniques. The results indicate that carbon ion irradiation caused lattice disorder and damage, which resulted in structural deterioration and changes in optical properties, such as decrease in the optical band gap energy (from5.77 eV to 5.44 eV), changes in the effective refractive index (n_eff) which resulted in the formation of “well + barrier” type and “barrier” type waveguides. In addition, elastic modulus increased after carbon ion irradiation. The results will be helpful for understanding the damage study of the Y₂SiO₅ crystal with carbon ion irradiation and proving that ion beam techniques can be used for material modification.

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来源期刊

Results in Physics MATERIALS SCIENCE, MULTIDISCIPLINARYPHYSIC-PHYSICS, MULTIDISCIPLINARY

CiteScore

8.70

自引率

9.40%

发文量

754

审稿时长

50 days

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