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相关论文: Identification of point defects on Co-Ni co-doping…

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A swift chemical route to synthesize Co-doped SnO$_2$ nanopowders is described. Pure and highly stable Sn$_{1-x}$Co$_x$O$_{2-\delta}$ (0 $\le$ x $\le$ 0.15) crystalline nanoparticles were synthesized, with mean grain sizes < 5 nm and the…

材料科学 · 物理学 2015-03-31 T. Entradas , J. Cabrita , S. Dalui , M. R. Nunes , O. C. Monteiro , A. J. Silvestre

The study particularly focuses on the effect of the Cr co-doping on the structural, optical and magnetic properties of Zn0.99Fe0.01O. Zn0.99-xFe0.01CrxO (x =0, 0.01, 0.03 and 0.05) nanoparticles. Powder x-ray diffraction (XRD) analysis…

材料科学 · 物理学 2021-11-16 H. S. Lokesha , P. Mohanty , C. J. Sheppard , A. R. E. Prinsloo

ZnO is co-doped with Na+ and Si4+ in the ratio 2:1. The ratio was intentionally chosen so that net valence state of dopant theoretically matches that of host. This is to avoid dependence in the amount of oxygen vacancies/interstitials…

SnO2 nanoparticles with different percentage of Al (5%, 15%, and25%) were synthesized by sol-gel method. The structure and nature of nanoparticles are determined by of X-ray diffraction analysis. Also morphology of the samples is evaluated…

介观与纳米尺度物理 · 物理学 2025-03-05 Ali Reza Razeghizadeh , Lila Zalaghi , Iraj Kazeminezhad , Vahdat Rafee

In this paper, the effects of changes in Sol concentration on the structural and optical properties of SnO2 Nanoparticles are studied through the Sol-Gel method. SnO2 Nanoparticles are produced from different SnO2 solution concentrations…

介观与纳米尺度物理 · 物理学 2025-03-05 Ali Reza Razeghizadeh , Lila Zalaghi , Iraj Kazeminezhad , Vahdat Rafee

Investigations on II-Sn-N2 (II = Mg, Ca) have been started very recently compared to the intense research of the Zn-IV-N2 (IV = Si, Ge, Sn). In this work, we perform a comprehensive study of cation disorder in stoichiometric MgSnN2 and…

材料科学 · 物理学 2021-10-28 Dan Han , Stefan S. Rudel , Wolfgang Schnick , Hubert Ebert

The role of Cr incorporation into the ZnO were probed through investigations into the structural, optical and magnetic properties. Zn1-xCrxO with x = 0, 0.01, 0.03 and 0.05, nanoparticles were prepared by solution combustion method. Powder…

材料科学 · 物理学 2021-11-16 H. S. Lokesha , P. Mohanty , A. R. E. Prinsloo , C. J. Sheppard

Undoped and Mn doped ZnO samples with different percentage of Mn content (1 mol%, 2 mol% and 3mol%) were synthesized by a simple solvo-thermal method. We have studied the structural, chemical and optical properties of the samples by using…

材料科学 · 物理学 2007-09-26 K. Rajendran , S. Banerjee , S. Senthilkumaar , T. K. Chini , V. Sengodan

The structural, optical and magnetic properties of the Zn1-xMnxO (0 < x < 0.05) thin films synthesized by sol-gel technique have been analyzed in the light of modification of the electronic structure and disorder developed in the samples…

材料科学 · 物理学 2015-06-11 R. Karmakar , S. K. Neogi , Aritra Banerjee , S. Bandyopadhyay

The structural, electronic, and optical properties of metal (Si, Ge, Sn, and Pb) mono- and co-doped anatase TiO$_{2}$ nanotubes are investigated, in order to elucidate their potential for photocatalytic applications. It is found that Si…

介观与纳米尺度物理 · 物理学 2020-04-29 Mohamed M. Fadlallah , Ulrich Eckern

All-inorganic lead halide perovskite nanocrystals (NCs) show potential in optoelectronic devices, though their stability and efficiency have yet to improve. In this work, we explore the effect of bivalent metal site doping on the…

应用物理 · 物理学 2022-01-31 Hurriyet Yuce , Mukunda Mandal , Yenal Yalcinkaya , Denis Andrienko , Mustafa M. Demir

Nano particles of pure ZnO, pure SnO$_2$, and nanocomposites of ZnO/SnO$_2$ were synthesized using microwave hydrothermal technique starting from aqueous solutions. Nanocomposites with different molar ratios of ZnO and SnO$_2$ were…

材料科学 · 物理学 2023-01-27 J. V. S. Sajana D. Perera

Ni-doped Cd1-xMnxS (x=0.4) thin films were prepared via a cost-effective chemical bath deposition (CBD) method to investigate their suitability for optoelectronic applications. Incorporation of a secondary transition metal such as Ni is…

In this paper, Ni-doped ZnO films were grown on a p-type silicon substrate via spray pyrolysis. The Ni dopant concentrations were varied by adjusting the weight ratio between Zinc Acetate Dehydrate (ZAD) and Nickel Chloride Hexahydrate…

材料科学 · 物理学 2025-09-25 Eka Nurfani , Aldi Saputra , Novalia Pertiwi , Muhamad F. Arif

The magnetic Weyl semimetal Co$_3$Sn$_2$S$_2$ is extensively investigated due to its giant anomalous Hall effect (AHE).Recent studies demonstrate that the AHE can be effectively tuned by multi-electron Ni doping.To reveal the underlying…

介观与纳米尺度物理 · 物理学 2024-01-09 L. Wang , S. Zhang , B. B. Wang , B. X. Gao , L. Y. Cao , X. T. Zhang , X. Y. Zhang , E. K. Liu , R. Y. Chen

A comparative study of the electrical and optical properties has been done on 3d-doped TiO$_2$. Ti$_{1-x}$M$_x$O$_2$ (M= Sc, V, Cr, Mn, Fe, Co, Ni, Cu, Zn) powder and its corresponding pellets, with doping concentration $x= 0.05$. The…

材料科学 · 物理学 2022-10-24 Shashi Pandey , Alok Shukla , Anurag Tripathi

Local and long range structure, optical and photoluminescence properties of sol-gel synthesized Ce1-xNixO2 nanostructures have been studied. The crystal structure, lattice strain and crystallite size have been analyzed. A decrease in…

We report, for the first time, the luminescence property of the hydroxyl group surface functionalized quantum dots (QDs) and nanoparticles (NPs) of SnO_2 using low energy excitations of 2.54 eV (488 nm) and 2.42 eV (514.5 nm). This…

材料科学 · 物理学 2015-09-09 Venkataramana Bonu , Arindam Das , S. Amirthapandian , Sandip Dhara , Ashok Kumar Tyagi

Structural and Optical properties of the (Na0.5 K0.5)y Li 1-y NbO3 (y = 0.934 & 0.936) ceramics have been explored in terms of the X-Ray diffraction patters, Rietveld analysis, UV-Vis spectroscopy, and Kubelka-Munk functions. Rietveld…

材料科学 · 物理学 2015-06-17 S. K. Mishra , R. K. Mishra , Kumar Brajesh , Rajyavardhan Ray , A. K. Himanshu , N. K. Singh

In this study, the effect of Sr- and Ni-doping on microstructural, morphological and sensing properties of ZnO nanorods has been investigated. Nanorods with different Sr and Ni loadings were prepared using a simple wet chemical method and…

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