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Article
Fine Control of Multiferroic Features of Nanoscale BiFeO3 Powders Synthesized by Microwave-Assisted Solid-State Reaction
Variations in the multiferroic properties of BiFeO3 (BFO) powders were investigated with respect to the crystallite size and Gd-do**. Nanoscale BFO powders with an average particle size range of ~ 30–80 nm were...
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Article
Structural and chemical features of Gd:BaTiO3 solid solutions prepared by microwave-assisted heat treatment
Herein, Gd-doped BaTiO3 (Gd:BTO) solid-solution powders were prepared by microwave-assisted heat treatment (MWH). The structural and chemical characteristics of the powders were analysed by scanning transmission ...
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Article
Synthesis of Nanoscale γ-Fe2O3 Powders with Hydrates via Microwave-Assisted Heat Treatment
Herein, the effect of microwave irradiation on the formation of γ-Fe2O3 phase was investigated. The structural and chemical features of the γ-Fe2O3 synthesized via microwave-assisted heat treatment (MWH) were exa...
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Article
Low-temperature synthesis of nanoscale BaTiO3 powders via microwave-assisted solid-state reaction
Microwave-assisted solid-state reactions (MSSR) are investigated for their ability to synthesize nanocrystalline BaTiO3 powders at low temperatures. Ba(OH)2·H2O and TiO2·xH2O are, respectively, initial precursors...
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Article
Effect of Hydrogen Gas Conditions on the Structural, Optical, and Electronic Features of nc-Si:H Thin Films
Hydrogenated nanocrystalline Si (nc-Si: H) films were prepared by plasma enhanced chemical vapor deposition using SiH4/H2 gas. The Si nanocrystallites of the films consisted of Si–Hn (n = 1, 2, 3) bonds. The rela...
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Article
Transmission electron microscopy studies of structural degradation behavior of LiNi0.6Co0.2Mn0.2O2 cathode materials
The variations in the structural and chemical features of LiNi0.6Co0.2Mn0.2O2 (LMO2: L = Li, M = Ni0.6Co0.2Mn0.2) materials were investigated via transmission electron microscopy. The LMO2 materials were used as ...
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Article
Effect of nanoscale powders and microwave sintering on densification of alumina ceramics
Nanoscale alumina (Al2O3) powders with an average size of 100, 200, or 300 nm were sintered to investigate the effects of the initial powder size on the densification behavior under the application of microwaves ...
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Article
Electrolyte composition dependence of the morphological and nanostructural features of porous silicon prepared by electrochemical anodic etching
Porous silicon layers were formed by electrochemical anodic etching of p-type Si wafers. The electrostatic condition at the interface between the Si wafers and electrolytes was affected sensitively by the addi...
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Article
Characterization of hydrogenated nanocrystalline silicon thin films prepared with various negative direct current biases
Hydrogenated nanocrystalline Si (nc-Si:H) thin films were prepared by plasma- enhanced chemical vapor deposition (PECVD). The films were deposited with a radio-frequency power of 100 W, while substrates were e...
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Article
Catalyst-free MOCVD growth of ZnO nanorods and their structural characterization
We have synthesized ZnO nanorods on ZnO-coated Si(100) substrates without a metal catalyst by a reaction of a diethylzinc (DEZn) and oxygen (O2) mixture. By adjusting the argon (Ar)/O2 gas flow ratio, we have obt...
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Article
Chemical and micro-structural changes in glass-like carbon during high temperature heat treatment
A glass-like carbon was fabricated using furan resin. The influence of heat treatment temperature during fabrication process on the chemical and micro-structural changes was studied by various analytical and s...
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Article
Characterization of chemical bonding and physical characteristics of diamond-like amorphous carbon and diamond films
Diamond-like (amorphous) carbon (DLC) films were prepared by dc magnetron sputtering and plasma enhanced chemical vapor deposition (PECVD) and diamond films were prepared by microwave plasma enhanced chemical ...
