Department of Physics: Recent submissions

Now showing items 81-100 of 755

Micromagnetic simulations of the domain structure and the magnetization reversal of Co50Ni50/Pt multilayer dots

Nair, Sindhu S. (Elsevier, 2002-01)

The domain structure and the switching field of Co50Ni50/Pt multilayer dots, prepared by laser interference lithography, were micromagnetically simulated. The simulations were carried out with a three-dimensional simulation ...
A Photoemission study of CoO films on Au (111) Surface Science

Nair, Sindhu S. (Elsevier, 2003-09)

Angle-resolved ultraviolet photoemission spectroscopy has been used to study thin layers of Co and CoO on an Au(1 1 1) substrate. A bulk-like CoO layer was obtained for a nominal coverage of 7 ML Co, with Co evaporated in ...
Growth mechanism and angle-resolved photoemission spectra of cobalt oxide (CoO) thin films on Ag(1 0 0)

Nair, Sindhu S. (Elsevier, 2004-09)

Using Auger electron spectroscopy we have studied the growth of cobalt oxide on Ag(1 0 0) substrate at different substrate temperatures (25, 170 and 250 °C). The films grown at 170 °C substrate temperature were found to ...
Generalized Grüneisen parameters and low temperature limit of lattice thermal expansion of cadmium and zirconium

Nair, Sindhu S. (Springer, 2006-09)

The generalized Grüneisen parameters (γ′ j ) and (γ″ j ) for cadmium and zirconium were calculated from the second- and third-order elastic constants to determine the low temperature limit of the volume thermal expansion ...
Novel high contrast electrochromic polymer materials based on 3,4-propylenedioxythiophene

Nair, Sindhu S. (Elsevier, 2007-09)

Mono and di allyl and napthyl substituted 3,4-propylenedioxythiophenes were synthesized and polymerized electrochemically. All the monomers were characterized for their molecular structures, and the polymers were characterized ...
Synthesis of poly(3, 4 ethylenedioxythiophene) nano structure using reverse microemulsion polymerization

Nair, Sindhu S. (Wiley, 2011-05)

Conducting polymers have received great attention for the development of organic electronic devices such as displays, electrochromic devices, sensors, solar cells etc because of their low band gap, good environ- mental ...
Optical, electrochemical and morphological investigations of poly (3,4-propylenedioxythiophene)–sultone (PProDOT–S) thin films

Nair, Sindhu S. (Springer, 2012-09)

In this paper, we have carried out thin film characterization of poly(3,4-propylenedioxythiophene)–sultone (PProDOT–S), a derivative of electrochromic poly(3,4-propylenedioxythiophene) (PProDOT). PProDOT–S was deposited ...
Enhanced performance characteristics of electropolymerized poly (3, 4 ethylenedioxythiophene) films on ITO by one step cyclic voltammetry

Nair, Sindhu S. (Springer, 2013-01)

Thin films of Poly (3, 4 ethylenedioxythiophene) (PEDOT) was electropolymerized onto indium tin oxide (ITO) coated glass substrate by simple one step cyclic voltammetry technique in an aqueous potassium nitrate medium. ...
Optical, Electrochemical, and Structural Properties of Spray Coated Dihexyl Substituted Poly (3,4 Propylene Dioxythiophene) Film for Optoelectronics Devices

Nair, Sindhu S. (Taylor & Francis, 2014-02)

The dihexyl substituted poly (3,4-propylenedioxythiophene) (PProDOT-Hx2) thin films uniformly deposited by cost effective spray coating technique on transparent conducting oxide coated substrates. The electro-optical ...
Specroelectrochemical, switching kinetics, and chronoamperometric studies of dibenzyl derivative of poly(3,4-propylenedioxythiophene) thin-film-based electrochromic device

Nair, Sindhu S. (Wiley, 2014-04)

The dibenzyl derivative of poly(3,4-propylenedioxythiophene) (PProDOT-Bz2) thin film is deposited onto ITO-coated glass substrate by electropolymerization technique. The electropolymerization of ProDOT-Bz2 is carried out ...
Gray to transmissive electrochromic switching based on electropolymerized PEDOT-ionic liquid functionalized graphene films

Nair, Sindhu S. (Springer, 2015-01)

A supporting electrolyte based on lithium perchlorate has been functionalized with graphene (ionic liquid functionalized graphene (IFGR)) by facile electrochemical exfoliation of graphite rods in aq. LiClO4 solution. ...
Spectral characterizations and photophysical properties of one-step synthesized blue fluorescent 4′-aryl substituted 2,2′:6′,2′′-terpyridine for OLEDs application

Nair, Sindhu S. (Elsevier, 2015-12)

We have synthesized a series of 4′-aryl substituted 2,2′:6′,2′′-terpyridine (terpy) derivatives, namely 4′-(4-methylphenyl)-2,2′:6′,2′′-terpyridine (C-1), 4′-(2-furyl)-2,2′:6′2′′-terpyridine (C-2), and 4′-(3,4,5-trimetho ...
Fabrication of fast switching electrochromic window based on poly(3,4-(2,2-dimethylpropylenedioxy)thiophene) thin film

Nair, Sindhu S. (Springer, 2016-02)

An electroactive poly(3,4-(2,2-dimethylpropylenedioxy)thiophene) (PProDOT-Me2) thin film was electropolymerized by cyclic voltammetry technique, and its electrochemical and electrochromic properties were systematically ...
Synthesis of solution-processable poly(3,4 propylenedioxythiophene) nanobelts for electrochromic device applications

Nair, Sindhu S. (Elsevier, 2017-11)

A new derivative of di-4-isopropyl benzyl substituted propylenedioxythiophene (ProDOT-IPBz2) monomer was synthesized and its resultant polymer was prepared by chemical and electrochemical methods. The chemical polymerization ...
Orange Fluorescent Ru(III) Complexes Based on 4′-Aryl Substituted 2,2′:6′,2″-Terpyridine for OLEDs Application

Nair, Sindhu S. (Springer, 2017-09)

A series of ruthenium (III) complexes of the formulae [Ru(4-Mephtpy)2]Cl3(1) [Ru(L 1 )], [Ru(3,4,5-tmphtpy)2]Cl3(2) [Ru(L 2 )], and [Ru(4-thptpy)2]Cl3(3) [Ru(L 3 )], (where L = terpy = 2.2′:6′2″ terpyridine ligands) are ...
Switching from sky blue to deep green fluorescent Zn(II) complexes for OLEDs applications

Nair, Sindhu S. (Elsevier, 2018-04)

Three new Zn(II) 4′-aryl substituted 2,2′:6′,2′-terpyridine (terpy) complexes of the type [Zn(Ln)2]NO3 complexes (where, L1 = 4′-(4-methylphenyl)−2,2′:6′,2′-terpyridine, L2 = 4′-(3,4,5-trimethoxyphenyl)−2,2′:6′,2′-terpyridine, ...
An investigation on the performance of Di-isopropyl benzyl derivative of Poly (3, 4-propylene dioxythiophene) thin film based electrochromic pixels displays

Nair, Sindhu S. (IOP, 2019-08)

Electrochromic (EC) smart pixel display was designed and fabricated using a novel monomer di-4-isopropyl benzyl substituted (3, 4-propylene dioxythiophene) (ProDOT-IPBz2). The polymer thin film showed absorption between ...
Fabrication of novel thin film capacitor based on PVA/ZnO nanocomposites as dielectric material

Nair, Sindhu S. (Springer, 2020-11)

A three-layer thin film capacitor was designed and fabricated with PVA/ZnO nanocomposite as dielectric material. Addition of ZnO nanoparticles showed change in dielectric constant, which varied with frequency and weight ...
Synthesis and Fabrication of Fluorescent Green OLEDs Based on PEDOT:PSS/Silver Nanowire Hybrid-Composite Anode and Their Performance

Nair, Sindhu S. (IOP, 2021-03)

Transparent conducting films have attracted increasing attention for their usefulness in optoelectronic devices, such as solar cells, liquid crystal display, and LEDs. Silver nanowires (AgNWs) with a length of 20 μm and a ...
Two-dimensional transparent Ag/Al metal temperature sensor

Nair, Sindhu S. (IAS, 2021-01)

Room-temperature thermocouple with good sensing properties is getting attracted increasingly because of their low power consumption and remarkable stability. Our study is based on the design and construction of a ...

Now showing items 81-100 of 755

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