Fe+ and Zn+ ion implantation in MgO single crystals

被引：5
作者：
Singh, Jitendra Pal [1 ]
Lim, Weon Cheol [2 ]
Song, Jonghan [2 ]
Lee, Sangsul [1 ]
Chae, Keun Hwa [2 ]
机构：
[1] Pohang Univ Sci & Technol, Pohang Accelerator Lab, Pohang 37673, South Korea
[2] Korea Inst Sci & Technol, Adv Anal Ctr, Seoul 02792, South Korea
来源：
MATERIALS LETTERS | 2021年 / 301卷
基金：
新加坡国家研究基金会;
关键词：
MgO; Implantation; NEXAFS; MAGNETIC-PROPERTIES; THIN-FILMS; FERROMAGNETISM;
D O I：
10.1016/j.matlet.2021.130232
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Herein, Fe+ and Zn+ ion implantation effects in MgO single crystals were investigated. Slight improvement in the magnetic behavior of implanted single crystals was observed, however, no ferromagnetic hysteresis was observed despite the presence of Fe ions in the lattice. The effect was associated with the oxidation of these ions and possibly due to occurrence of oxygen vacancies. Angle dependent Mg K-edge near edge X-ray absorption fine structure (NEXAFS) measurements reflected the slight change in local electronic structure induced by implantation. Results obtained from O K-edge NEXAFS measurements supported the results obtained from Mg K-edge spectra. These measurements further inferred the interaction between implanted ions and lattice oxygen.
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页数：5
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