Forthcoming articles

 


International Journal of Nanotechnology

 

These articles have been peer-reviewed and accepted for publication in IJNT, but are pending final changes, are not yet published and may not appear here in their final order of publication until they are assigned to issues. Therefore, the content conforms to our standards but the presentation (e.g. typesetting and proof-reading) is not necessarily up to the Inderscience standard. Additionally, titles, authors, abstracts and keywords may change before publication. Articles will not be published until the final proofs are validated by their authors.

 

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International Journal of Nanotechnology (3 papers in press)

 

Regular Issues

 

  • Fabrication of super hydrophobic duo-structures
    by X.Y. Zhang 
    Keywords: .

  • Dependence of microwave dielectric properties on ceramics filler in wollastonite glass-ceramics   Order a copy of this article
    by Sung Wook Jang, Eung Soo Kim 
    Abstract: The effect of various ceramics fillers (TiO2, CaTiO3, SrTiO3, Sr0.8Ca0.2TiO3) on the microwave dielectric properties of wollastonite glass-ceramics was investigated as a function of the content and particle size of the ceramics filler. The temperature coefficient of resonant frequency (TCF) of the specimen increased as the amount of ceramics filler was increased. In addition, the TCF value of the specimens could be tailored to be nearly zero when 10 wt.% ceramics fillers were added except in the case of TiO2. As the amount of ceramics filler was increased, the quality factor (Qf) of the specimens decreased because of the formation of mixture phases of wollastonite and ceramics filler, while the dielectric constant (K) of the specimens increased owing to the fact that the ceramics fillers have higher K values than wollastonite glass-ceramics. When the particle size of the ceramics fillers was increased, the Qf and K value decreased because the specimens with a small particle size of ceramics filler showed larger crystallite size than the others; however, the TCF value did not change significantly with the particle size of the ceramics filler. The optimum dielectric properties of K = 8.66, Qf = 33,800 GHz and TCF = -2.1 ppm/°C were obtained for the specimens with 10 wt.% CaTiO3, heat-treated at 725°C for 7 h and crystallised at 900°C for 3 h.
    Keywords: microwave dielectric properties; wollastonite; glass-ceramics; ceramic filler.

  • Biomorphic carbon-nanotube composites synthesised by chemical vapour deposition   Order a copy of this article
    by Junggyu Park, Seyoung Kim, Insub Han, Sungsoo Ryu, Ikjin Kim 
    Abstract: The present study focuses on a novel route processing for the synthesis of carbon nanotubes on a zeolite-coated biomorphic carbon template (ZCBCT). First, a biomorphic template with a pore dimension of 20-35 μm was prepared by carbonising Pinus resinosa wood under an Ar atmosphere. Single-phase zeolite crystals with a crystal size of 0.3 μm were then synthesised and homogeneously coated on a BCT using an in situ hydrothermal process. Finally, MWCNTs that were synthesised on Co-metal nanoparticles were loaded onto the ZCBCT with C2H2 as a carbon source using the catalytic chemical vapour deposition (Cat-CVD) method. In this study, we focused on varying the reaction time and temperature for obtaining a better CNT yield, and the CNT characterisation morphology, crystallinity, and surface area were evaluated. The MWCNTs with an inner diameter of 5.3-9.8 nm were synthesised at 650°C, and the duration of the CNT ID/IG of 1.00 is from 60 min to 180 min.
    Keywords: multiwalled carbon nanotubes; biomorphic materials; Pinus resinosa; zeolite; catalytic chemical vapour deposition.