By S. Choudhury, S. Dasgupta, D. K. Patel (auth.), P. K. Giri, D. K. Goswami, A. Perumal (eds.)
Nanoscale technology and expertise have occupied centre level globally in smooth clinical examine and discourses within the early 21st century. The permitting nature of the know-how makes it vital in smooth electronics, computing, fabrics, healthcare, power and the surroundings.
This quantity includes chosen articles provided (as Invited/Oral/Poster displays) on the 2d overseas convention on complex fabrics and nanotechnology (ICANN-2011) held lately on the Indian Institute of expertise Guwahati, in the course of Dec 8-10, 2011.
The checklist of themes coated during this complaints comprise:
Synthesis and self meeting of nanomaterials
Nanophotonics & Nanoelectronics
Nanocomposites F Nanomagnetism
Nanomaterials for power
Commercialization of Nanotechnology
The convention was once represented by means of round four hundred members from numerous nations together with delegates invited from united states, Germany, Japan, united kingdom, Taiwan, Italy, Singapore, India etc.
Read or Download Advanced Nanomaterials and Nanotechnology: Proceedings of the 2nd International Conference on Advanced Nanomaterials and Nanotechnology, Dec 8-10, 2011, Guwahati, India PDF
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Additional resources for Advanced Nanomaterials and Nanotechnology: Proceedings of the 2nd International Conference on Advanced Nanomaterials and Nanotechnology, Dec 8-10, 2011, Guwahati, India
Acharya et al. Á Keywords Fe–Pt nanoparticles Microwave-heating reduction and tuning of particles size Á L1o-phase Á Chemical 1 Introduction The chemically ordered nanoparticles (NPs) of FePt alloy in L10-phase have been identified as promising materials for a new generation of ultrahigh density magnetic recording media. Large magnetocrystalline anisotropy (Ku = 7 9 106 J/cm3) and excellent hard magnetic properties of Fe–Pt NPs in L10-phase have been demonstrated [1–6]. Unfortunately, as-synthesized Fe–Pt NPs assume a disordered facecentered cubic (fcc) structure that has low magnetocrystalline anisotropy and reveal superparamagnetic behavior.
A successful approach allowed Au and Pt tipping on rods from their water soluble salts whereby the nanorod was transferred to the aqueous phase using ligand exchange followed by reduction of the water soluble metal precursor. The tip growth is pH dependent and reaction times of up to 2 days are required [24, 28]. Here we describe a simplified protocol to yield instantaneous Ag–semiconductor nanorod hybrid structures where instead of transferring the nanorod to the aqueous phase, the metal ions are phase transferred from the aqueous to the organic phase.
Subsequently, we observed that the reaction time is increases continuously the colour changes from pink to deep red. Under ultrasound, the progress of reaction between the piper betle leaf broth and the aqueous chloroauric acid as a function of time at room temperature was recorded on spectrophotometer (PERKIN-ELMER LAMBDA 25) as shown in Fig. 1. With increasing time, the full width half maximum decreases supporting the reduction of size of the particle. Strong absorption band is observed at 540 nm supporting the formation of spherical nanoparticles in aqueous solution.
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