Structural, Optical, Electrical and Magnetic properties of 100Mev Ni7+ irradiated Mn doped ZnO thin films

被引：1
|
作者：
Kumar, Sunil [1 ]
Arora, Deepawali [2 ]
Kaur, Simranpreet [2 ]
Kaur, Parvinder [4 ]
Singh, Gurinder Pal [4 ]
Kaur, Puneet [2 ]
Kriti [2 ]
Kumar, Ravi [3 ]
Singh, D. P. [2 ]
机构：
[1] SMDRSD Coll, Dept Phys, Pathankot 145001, India
[2] Guru Nanak Dev Univ, Dept Phys, Amritsar 143005, Punjab, India
[3] Natl Inst Technol, Hamirpur 177005, India
[4] Khalsa Coll, Dept Phys, Amritsar 143002, Punjab, India
来源：
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2022年 / 279卷
关键词：
Manganese doped ZnO; Sol; -gel; Thin films; Dilute magnetic semiconductors (DMS); Swift heavy ion (SHI); Ferromagnetism; ROOM-TEMPERATURE FERROMAGNETISM; SEMICONDUCTORS;
D O I：
10.1016/j.mseb.2022.115646
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Structural, optical, electrical and magnetic properties of Mn doped ZnO thin films prepared using sol-gel route and modified by 100 MeV Ni(7+ )Swift Heavy Ion (SHI) irradiation with fluence rate of 1 x 10(12) and 1 x 10(13) ions/ cm2 were studied. X-Ray Diffraction (XRD) studies revealed monophasic films with improved crystallinity after SHI irradiation. Field Emission Scanning Electron Microscopy and Atomic force microscopy indicates increment in grain size with enhanced surface roughness. Enhancement of defect structure such as oxygen vacancies (~ 520 nm) and surface defects (~ 480 nm) have been studied by Photoluminescence spectroscopy. UV-Vis spectroscopy revealed decrease in band gap and transmission values. SQUID magnetometer and Magnetic Force Microscopy studies provided the clear evidence of ferromagnetic hysteresis curve (Mv/sH) and presence of magnetic contrast in highly irradiated films. Presented results favor the role of SHI irradiation for inducing room temperature ferromagnetism in Mn doped ZnO thin films.
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页数：7
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