IN – Page 20 – TechConnect Briefs

Structural and magnetic Properties of electrochemically grown Co-Fe and Ni-Fe alloy nanowire arrays

Pandya D.K., Kaur D., Chaudhary S., Kashyap S.C., IIT Delhi, IN

Magnetic nanowires are of immense importance in ultrahigh density magnetic storage media, micromagnetic sensors in read heads and spintronics devices. The nanowires of binary alloys of ferromagnetic metals like Co, Ni and Fe are particularly [...]

Semiconductor nanoparticles in Photocatalysis: The Emerging Art and Perspectives

Sharma A., Sharma R., Sharma A., Sharma R., Sharma A., Sharma R., AKG College of Engineering, UPTU, IN

A principle of semiconductor nanophotocatalysis – a new trend in photochemistry deals with the photocatalytic redox-reactions with the participation of semiconductor nanoparticles. The origin of various size-dependent explanations in the semiconductor photocatalysis are spot light [...]

Growth and investigations on Fe/MgO/Fe magnetic tunnel junctions fabricated by dual ion beam sputtering technique

Singh B., Gupta P., Chaudhary S., Pandya D.K., Kashyap S.C., Inidan Institute of Technology Delhi, IN

The experimental observation of Tunnel Magnetoresistance (TMR) in 1996 by Moodera’s group of MIT has triggered intensive efforts worldwide to fabricate and investigate the magnetoresistive junctions showing a TMR effect. While in past 3-4 years, [...]

Polymer nanocomposites: an advanced material for functional fibers

Joshi M., Indian Institute of Technology, IN

The paper illustrates our development in the area of producing fibers from polymer nanocomposites both through melt and solution intercalation route. The polymers studied are Polypropylene, Polyethylene Polyurethane and Nylon. The naofillers used range from [...]

Magnetic Dye-Adsorbent Catalyst: A “Core-Shell” Nanocomposite

Shukla S., Varma M.R., Suresh K.G., Warrier K.G.K., Council of Scientific and Industrial Research (CSIR), IN

A magnetic dye-adsorbent catalyst has been developed which is the modification of the conventional magnetic photocatalyst. It consists of a nanocomposite particle having a “core-shell” structure, with a magnetic ceramic particle as a core and [...]

Surface tailoring of carbon fabric reinforced PES composites with micro and nano PTFE fillers

Sharma M., Bijwe J., Indian Institute of Technology Delhi, IN

Carbon fabric reinforced polymers (CFRPs) are being increasingly used as advanced composites for structural materials applications, especially in aircraft industry because of very high specific strength and modulus apart from their higher thermal conductivity, corrosion [...]

Combustion synthesis and Magnetic Characterizations of Mn Substituted Ni–Zn Ferrite Nanoparticles

Mane D.R., Birajdar D.D., Shirsath S.E., Kadam R.H., Shrikrishna Mahavidyalaya, IN

The ferrite samples synthesized by sol–gel auto combustion method using nitrates of respective metal ions. An analysis of X-ray diffraction patterns reveals the formation of single phase cubic spinel structure. Nano size of the particle [...]

Synthesis and optical properties of L-cystine capped ZnS:Co nanoparticles

Kumbhakar P., Sarkar R., Mitra A.K., National Institute of Technology, Durgapur, IN

IV-VI nanocrystalline semiconductors are of great interest for its applications in light emitting devices, fluorescence biosensor, and solar cells [1-4]. Here, we have reported synthesis of cobalt doped ZnS (ZnS:Co) nanoparticles capped with L-cystine by [...]

Size-Controllable Synthesis and Characterization of Wide Band Gap Semiconductor Oxide Nanoparticles

Sharma A., Sharma R., Sharma A., Sharma R., Sharma A., Sharma R., AKG College of Engineering, IN

A search of new class of semiconductors with metal oxides of specific sizes motivated us to synthesize nanoparticles. The preparation of nanocomposites using dispersed nanoparticles into solid hosts is nowadays an attracting scientific art and [...]

Characterization and synthesis of nano magnetic particles

Thiyagarajan M., VIETW, IN

Characterization & Synthesis Nano magnetic particles. Ms. Meera Thiyagarajan AP/Physics, Department of Physics Vivekanandha Institute of Engineering and Technology for Women. Magnetic particles find wide applications and specifically as memory device. The emerging new storage [...]