An impact of La doping content on physical properties of NiO films facilely casted through spin-coater for optoelectronics

被引：31
作者：
Ganesh, V [1 ]
Haritha, L. [2 ]
Manthrammel, M. Aslam [1 ]
Shkir, Mohd [1 ,3 ]
AlFaify, S. [1 ]
机构：
[1] King Khalid Univ, Fac Sci, Dept Phys, AFMOL, POB 9004, Abha 61413, Saudi Arabia
[2] Telangana Univ, Dept Phys, Nizamabad 503322, Telangana, India
[3] King Khalid Univ, RCAMS, POB 9004, Abha 61413, Saudi Arabia
来源：
PHYSICA B-CONDENSED MATTER | 2020年 / 582卷
关键词：
La:NiO thin films; X-ray diffraction; Optical properties; Dielectric properties; Nonlinear optics; NONLINEAR-OPTICAL PROPERTIES; THIN-FILMS; ZNO; TRANSPARENT; ELECTRODE; GAP; CDS;
D O I：
10.1016/j.physb.2019.411955
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
With a view to study the optical properties of La doped NiO thin films and make them available for futuristic optoelectmnic devices, these films were deposited by spin coating technique assisted by sol-gel. The structural, morphological, linear and non-linear optical properties of the as-prepared films were studied. XRD shows that the films were polycrystalline, and the growth of grains was studied by AFM. The Raman spectra of the pure and La doped films were analyzed over the range 200-1400 cm(-1). The optical study of the doped films shows that they are highly transparent in the visible region. Moreover, the direct and indirect band gaps of the films were evaluated and are found to be in the range of 3.84-3.96 eV for the direct and 3.26-3.4 eV for the indirect bandgap. Higher value of non-linear susceptibilities and refractive index opens a window for wide use of these films in optoelectmnic devices.
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页数：8
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