Evolution of magnetic anisotropy by O ion implantation in Fe/Co/Fe trilayar

被引：4
|
作者：
Sen, Sagar [1 ]
Panigrahi, B. K. [2 ]
Choudhary, R. J. [3 ]
Gupta, Ajay [4 ]
Gupta, Ratnesh [1 ]
机构：
[1] Devi Ahilya Univ, Sch Instrumentat, Khandwa Rd, Indore 452001, Madhya Pradesh, India
[2] Indira Gandhi Ctr Atom Res, Mat Sci Div, Kalpakkam 603102, Tamil Nadu, India
[3] UGC DAE CSR Indore Ctr, Indore 452017, Madhya Pradesh, India
[4] Amity Univ, Ctr Spintron, Noida, India
来源：
PHYSICA B-CONDENSED MATTER | 2019年 / 570卷
关键词：
Ion implantation; Magneto-optic kerr effect (MOKE); Magnetic anisotropy; Mossbauer spectroscopy; Saturation magnetic moment; Interface mixing; GIANT MAGNETORESISTANCE; FILMS; IRRADIATION; MULTILAYERS; BEHAVIOR; SURFACE;
D O I：
10.1016/j.physb.2019.06.036
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Implantation of O ions into Fe/Co/Fe thin film has been performed to modify its structural and magnetic properties. X-ray reflectivity and atomic force microscopy measurements indicate that after implantation, interface and surface roughnesses have been increased. X-ray reflectivity measurement of the implanted sample at higher fluence shows intermixing at the interface of Fe/Co and Co/Fe layer. 1x10(16) ions/cm(2) O-ions reduces the coercivity of film from 50 Oe to 31 Oe. After 5x10(16) ions/cm(2) O ion fluence, film exhibits two fold magnetic anisotropy and the magnetic moment of the film has been increased. Ion implantation induces broadening in the Mossbauer spectrum suggest that the FeCoO and FeCo component at the interface have been formed, which enhances the magnetic moment of the film.
引用
收藏
页码：241 / 245
页数：5
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