STRUCTURAL CHANGES IN CORTICAL BONE AFTER BOMBARDMENT WITH LOW-ENERGY HYDROGEN IONS

被引：0
|
作者：
Desouky, O. S. [1 ]
Abdelreheem, A. M. [1 ]
El-Marakby, S. M. [1 ]
Selim, N. S. [1 ]
机构：
[1] Egyptian Atom Energy Author, Natl Ctr Radiat Res & Technol, Radiat Phys Dept, Cairo, Egypt
来源：
SURFACE REVIEW AND LETTERS | 2024年
关键词：
Hydrogen ion beam; cortical bone; SRIM; FTIR; XRD; RADIATION STABILITY; DIFFRACTION; IRRADIATION; NECROPOLIS;
D O I：
10.1142/S0218625X25500167
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Radiobiological studies focused mainly on tracking the effects of photons (X and gamma rays) and high-energy charged particles over low energy ions, which raises interest in studying their biological effects. Therefore, the aim of this study is to investigate the interaction of low-energy hydrogen ions beam with xcortical bovine bone as a biological model. A hydrogen ions beam was used to bombard cortical bone with different fluences; 45, 70 and 90x1017ions/cm2 at low energy of 5keV. The interaction of hydrogen ions with cortical bone was estimated theoretically by the SRIM/TRIM code. The obtained results showed that the average distribution range and the maximum depth for 5keV hydrogen ions are 91 and 150nm respectively. The energy losses from incident ions are 4.45keV for ionization, 170eV for phonons and 18eV for vacancies. Also, the energy losses from the recoil atoms are 119eV for ionization, 234eV for phonons and 8eV for vacancies. At the same time, the effect of low-energy hydrogen ions bombardment on the structure of bone was studied by X-ray diffraction (XRD) and FTIR.
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页数：8
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