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	Electronic structure and optical properties of spinel structure Zn1-xNixAl2O4 nanopowders synthesized by sol–gel method
	Lu, Qiang1,2; Wei, Zhiqiang1,2; Wu, Xiaojuan1,2; Huang, Shangpan1,2; Ding, Meijie1,2; Ma, Jinhuan1,2
刊名	Chemical Physics Letters
	2021-06-01
卷号	772
关键词	Aluminum compounds Calculations Electronic structure Ions Nickel Sols Synthesis (chemical) Zinc compounds Electronic structure and optical properties Electronic.structure First principle calculations Nano powders Ni ions Ni-doped Optical- Property Spinel structure Synthesised
ISSN号	0009-2614
DOI	10.1016/j.cplett.2021.138582
英文摘要	Zn1-xNixAl2O4 (x = 0, 0.025, 0.05, 0.075, and 0.10) nanoparticles with spinel structure were synthesized by sol–gel technique and the band structure of various defects in the ZnAl2O4 structure was calculated using the first-principles method. The average grain size and lattice parameters vary with doping concentration. Ni ions are successfully substituted for the lattice site of Zn2+ into the ZnAl2O4 matrix, Ni ions mainly occupy the tetrahedral sites, and the substitution of Ni introduced new energy levels. The photoluminescence spectral intensity of doped samples decreases, resulting in luminescence quenching. The bandgap decreases with the increase of Ni ion concentration, presenting a redshift. © 2021 Elsevier B.V.
WOS研究方向	Chemistry ; Physics
语种	英语
出版者	Elsevier B.V.
WOS记录号	WOS:000641461400007
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/148426]
专题	理学院 外国语学院
作者单位	1.School of Science, Lanzhou University of Technology, Lanzhou; 730050, China; 2.State Key Laboratory of Advanced Processing and Recycling Nonferrous Metals, Lanzhou University of Technology, Lanzhou; 730050, China
推荐引用方式 GB/T 7714	Lu, Qiang,Wei, Zhiqiang,Wu, Xiaojuan,et al. Electronic structure and optical properties of spinel structure Zn1-xNixAl2O4 nanopowders synthesized by sol–gel method[J]. Chemical Physics Letters,2021,772.
APA	Lu, Qiang,Wei, Zhiqiang,Wu, Xiaojuan,Huang, Shangpan,Ding, Meijie,&Ma, Jinhuan.(2021).Electronic structure and optical properties of spinel structure Zn1-xNixAl2O4 nanopowders synthesized by sol–gel method.Chemical Physics Letters,772.
MLA	Lu, Qiang,et al."Electronic structure and optical properties of spinel structure Zn1-xNixAl2O4 nanopowders synthesized by sol–gel method".Chemical Physics Letters 772(2021).

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