| 2. | A CHEMICAL KINETIC MODEL FOR CHEMICAL VAPOR DEPOSITION OF CARBON NANOTUBES Original Research Article Applied Surface Science, In Press, Accepted Manuscript, Available online 21 July 2011 K. Raji, Shijo Thomas, C.B. Sobhan
Highlights► ► We studied the dependence of the deposition parameters on the controllable parameters for CNTs during CVD process. ► The deposition temperature and the deposition pressure show a decreasing trend with an increase of furnace temperature upto 1000 K. ► The deposition temperature decreases with reaction time. The deposition pressure is found to remain constant at the initial stage, and then decrease as time progresses. ► All deposition parameters show a decreasing trend with increase of volumetric flow rate. ► An experimental study was also conducted and the results were found to agree well with the theoretical predictions obtained. | | | 3. | Diagnosis of dengue infection using a modified gold electrode with hybrid organic-inorganic nanocomposite and Bauhinia monandra lectin Original Research Article Journal of Colloid and Interface Science, In Press, Accepted Manuscript, Available online 21 July 2011 Cesar A.S. Andrade, Maria D.L. Oliveira, Celso P. de Melo, Luana C.B.B. Coelho, Maria T.S. Correia, Maurício L. Nogueira, Pankaj R. Singh, Xiangqun Zeng
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Highlights► A sensitive and selective biosensor for dengue serotype was successfully developed. ► BmoLL recognition may be attributed to different patterns of glycoproteins in the sera. ► AuNpPANI-BmoLL was used to fabricate a dengue nanobiosensor with low detection limit. | | | 4. | Synthesis of Zinc Tin Oxide (ZTO) Nanocrystallites at Room Temperature through Association with Peptide-Containing Bolaamphiphile Molecules Original Research Article Journal of Colloid and Interface Science, In Press, Accepted Manuscript, Available online 21 July 2011 Sungjun Ahn, Tae-Geun Kwon, Sang-Yup Lee
Graphical abstractUsing self-assembly of peptide-containig bolaamphiphile molecules, ZTO nanocrystallites were synthesized at room temperature whose banfgap energy is comparable to that of nanoparticles prepared by hydrothermal method. Highlights► ZTO nanocrystallite was prepared using a peptide-containing bolaamphiphile molecule. ► Prepared ZTO has same electrooptical property with conventionally prepared ones. ► Ligation of bolaamphiphile with the metal ions promotes crystalline ZTO formation. | | | 5. | Precipitation and growth of magnesium hydroxide nanopetals on zeolite 4A surfaces Original Research Article Journal of Crystal Growth, In Press, Accepted Manuscript, Available online 21 July 2011 Pei-Yoong Koh, Jing Yan, Amyn Teja
Highlights► Mg(OH)2 nanopetals can be assembled on zeolite 4A by adding aqueous NH4OH to magnesium chloride solutions containing dispersed zeolite particles. ► Nucleation of Mg(OH)2 is driven by acid-base interactions between bridging hydroxyl groups on the surface and the weakly basic Mg(OH)2. ► The rate of precipitation of Mg(OH)2 nanostructures increases with increasing magnesium chloride concentration. ► Increasing synthesis time facilitates the growth of Mg(OH)2 crystals and leads to increasing Mg(OH)2 content in the nanocomposite. | | | 6. | Disorder driven optical processes in nanocrystalline ZnO Original Research Article Journal of Luminescence, In Press, Accepted Manuscript, Available online 21 July 2011 S. Chattopadhyay, S.K. Neogi, P. Pandit, S. Dutta, Tamita Rakshit, D. Jana, S. Chattopadhyay, A. Sarkar, S.K. Ray
Highlights► Optical properties in mechanically milled ZnO powder has been reported.► Optical absorption estimates that above ~ 65 nm red shift shift is negligible.► The band tail parameter increases significantly at low grain size regime.► The PL intensity ratio varies exponentially with band tail parameter.► The overall results indicate that Vo-VZn divacancy related defects are generated. | | | 7. | Thermal and magnetic properties of a ferrimagnetic nanoparticle with spin-3/2 core and spin-1 shell structure Original Research Article Journal of Magnetism and Magnetic Materials, In Press, Corrected Proof, Available online 21 July 2011 Yusuf Yüksel, Ekrem Aydıner, Hamza Polat
Highlights► We simulate a ferrimagnetic nanoparticle with a spin-3/2 core and a spin-1 shell. ► We examine behavior of thermal and magnetic properties of the particle. ► Occupation of core layer by spin-3/2 creates some interesting phenomena. ► Compensation temperature decreases rapidly as shell thickness increases. ► Critical temperature increases with increasing the number of shell layers. | | | 9. | Strong electric field modulation of transport in PVDF/MWCNT nanocomposite near the percolation threshold Original Research Article Solid State Communications, In Press, Accepted Manuscript, Available online 21 July 2011 Chetan Chanmal, Meenal Deo, Abhimanyu Rana, Jyoti Jog, Satishchandra Ogale
Highlights► Pulse laser deposition of thin films of PVDF/MWCNT nanocomposites. ► Field effect device based on pulse laser deposited PVDF/MWCNT as channel layer. ► A strong electric field modulation observed for composition just below percolation. | | | 13. | Ultrafast emission spectroscopy of exploding nanoaluminum in Teflon: observations of aluminum fluoride Original Research Article Chemical Physics Letters, In Press, Accepted Manuscript, Available online 20 July 2011 Rusty W. Conner, Dana D. Dlott
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Highlights► Real-time spectroscopic observation of an exploding reactive material at close range ► 50 ps chemical initiation followed by 100 ps ignition ► Initiation/ignition limited by chemical dynamics rather than heat or mass transfer ► Observation of a reaction product AlF ► Tiny but powerful model to aid in interpreting emission from macroscopic explosions | | | 14. | Chemically Attached Gold Nanoparticle-Carbon Nanotube Hybrids for Highly Sensitive SERS Substrate Original Research Article Chemical Physics Letters, In Press, Accepted Manuscript, Available online 20 July 2011 Lule Beqa, Anant Kumar Singh, Zheng Fan, Dulal Senapati, Paresh Chandra Ray
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Highlights► Design of CNT/GNP hybrid based SERS substrates is reported ► Enhancement factor of up to 7.5 x 1010 observed ► SERS enhancement using “lightning rod effect” is shown ► Results enhance fundamental understanding of SERS phenomena | | | 16. | Physicochemical and photocatalytic activities of self-assembling TiO2 nanoparticles on nanocarbons surface Original Research Article Current Applied Physics, In Press, Accepted Manuscript, Available online 20 July 2011 Feng Wang, Kan Zhang
Highlights► The nanocarbon/TiO2 nanocomposites were successfully prepared by a facile hydrothermal reaction. ► The graphene/TiO2 nanocomposite have more excellent structure and morphology than SWCNT/TiO2 and C60/TiO2. ► These nanocarbon/TiO2 nanocomposites showed a higher photocatalytic activity than P25. ► The graphene/TiO2 nanocomposite presented highest photocatalytic activity. | | | 17. | Remarkable influence of carbon nanotubes on microwave absorption characteristics of strontium ferrite/CNT nanocomposites Original Research Article Journal of Magnetism and Magnetic Materials, In Press, Uncorrected Proof, Available online 20 July 2011 Ali Ghasemi
Highlights► Feasibility of novel modified sol–gel way for coating nanometer scale substituted strontium ferrite on entity carbon nanotube. ► Microwave absorption of MWCNTs/doped strontium ferrite nanocomposite is clearly better compared to that of pure MWCNTs and ferrite. ► Reflection loss estimate indicates the nanocomposite shows great latent application as wide-band electromagnetic wave absorbers. | | | 21. | Magnetic multilayer on nanosphere array with various curvature radius Original Research Article Solid State Communications, In Press, Accepted Manuscript, Available online 20 July 2011 J.H. Yang, N.N. Yang, Y.X. Wang, Y.J. Zhang, Y.M. Zhang, Y. Liu, M.B. Wei, Y.T. Yang, R. Wang, S.Y. Yang
Highlights► The [Co(0.5nm)/Pt(5nm)]16 multilayer had a better perpendicular anisotropy on the Si substrate. ► [Co/Pt]n magnetic multilayer was deposited on the nanosphere array with various curvature radius. ► The magnetic cap showed an oblique average anisotropy axis. ► The Mr/Ms and coercivity of magnetic cap strongly depend on the curvature radius of the PS spheres. | | | 22. | Reverse micelle synthesis of perovskite oxide nanoparticles Original Research Article Solid State Ionics, In Press, Corrected Proof, Available online 20 July 2011 M. Ali Haider, Aaron J. Capizzi, Mitsuhiro Murayama, Steven McIntosh
Highlights► Nanoscale perovskite powders were synthesized via a reverse micelle technique. ► Particle size was controlled by controlling the micelle size. ► Nanoparticle coated SOFC cathodes show reduced polarization resistance. | | | 23. | Field-coupled computing: Investigating the properties of ferromagnetic nanodots Original Research Article Solid-State Electronics, In Press, Corrected Proof, Available online 20 July 2011 J. Kiermaier, S. Breitkreutz, X. Ju, G. Csaba, D. Schmitt-Landsiedel, M. Becherer
Highlights► Focused ion beam irradiation on Co/Pt films is utilized to pattern ferromagnetic nanodots and engineer their coercivity. ► Experimental results on Co/Pt irradiation are mapped to micro-magnetic simulations. ► The read-out ability and thermal stability of 250 nm nanodots is verified by Extraordinary Hall-Effect measurements. ► Single-domain behavior, the coercivity and the switching field distribution are extracted from the hysteresis loops. ► Ferromagnetic Co/Pt dots fulfill the demands of field-coupled magnetic logic devices. | | | 24. | Structural, mechanical and electrical-contact properties of nanocrystalline-NbC/amorphous-C coatings deposited by magnetron sputtering Original Research Article Surface and Coatings Technology, In Press, Accepted Manuscript, Available online 20 July 2011 Nils Nedfors, Olof Tengstrand, Erik Lewin, Andrej Furlan, Per Eklund, Lars Hultman, Ulf Jansson
Highlights► The microstructure in the nc-NbC/a-C coatings depends strongly on the carbon content. ► Coating properties are strongly dependent on the amount of amorphous carbon. ► Lowest contact resistance is found for the coating containing 33 % of a-C phase. ► nc-NbC/a-C is a potential material for electrical contact applications. | | |