Volume 13 (2022)
Volume 12 (2021)
Volume 11 (2020)
Volume 10 (2019)
Volume 9 (2018)
Volume 8 (2017)
Volume 7 (2016)
Volume 6 (2015)
Volume 5 (2014)
Volume 4 (2013)
Volume 3 ( 2012)
Volume 2 (2011)
Volume 1 (2010)
Electroless deposition of nickel on biocompatible poly(dimethylsiloxane) after a laser processing as a pretreatment

Stephan Armyanov; Eugenia Valova; Konstantin Kolev; Dragomir Tatchev; Petar Atanasov; Nadya Stankova

Volume 9, Issue 2 , February 2018, , Pages 101-106


  Due to its biocompatibility poly(dimethylsiloxane) (PDMS) is an important material for the development of microelectromechanical systems or long-term, medical implants. The paper describes the morphology modifications and surface chemistry of PDMS during pulse laser treatment. SEM, μ-Raman spectroscopy, ...  Read More

Electroless deposition of nickel on biocompatible poly(dimethylsiloxane) after a laser processing as a pretreatment

Optical, Electrical And Antimicrobial Studies Of Chemically Synthesized Graphite Oxide And Reduced Graphene Oxide

Alpana Thakur; Sunil Kumar; Manjula Sharma; V. S. Rangra

Volume 7, Issue 12 , December 2016, , Pages 1029-1034


  Graphite oxide (GO) and reduced graphene oxide (RGO) have been synthesized using chemical methods. Prepared graphite oxide and reduced graphene oxide were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and Raman spectroscopy. ...  Read More

High Temperature Dielectric Relaxation And Impedance Spectroscopy Studies On BaBiO3 

Divyanshu Bhatnagar; Ratnamala Chatterjee

Volume 7, Issue 8 , August 2016, , Pages 604-609


  BaBiO3 (BBO) particles were successfully synthesized through solid-state route, to provide better understanding of its transport properties, which is not well studied yet. X-ray diffraction (XRD) measurement confirmed that the particles were crystallized with monoclinic structure in single phase. The ...  Read More

Defect Analysis And Performance Evaluation Of P-type Epitaxial GaAs Layer On Ge Substrate For GaAs/Ge Based Advanced Device

Goutam Kumar Dalapati; Vignesh Suresh; Sandipan Chakraborty; Chandreswar Mahata; Yi Ren; Thirumaleshawara Bhat; Sudhiranjan Tripathy; Taeyoon Lee; Lakshmi Kanta Bera; Dongzhi Chi

Volume 7, Issue 7 , July 2016, , Pages 517-524


  The structural defects and formation of native oxides during thermal treatment on p-type epitaxial-GaAs/Ge have been investigated using spectroscopic measurements and electrical characterization. The performance of epi-GaAs based device depends on the interface quality between epi-GaAs and gate oxide ...  Read More

Mechanisms Of Composite-hydroxide-mediated Approach For The Synthesis Of Functional ZnO Nanostructures And Morphological Dependent Optical Emissions

Taj Muhammad Khan; M. Zakria; Rana I. Shakoor; M. Raffi; Mushtaq Ahmad

Volume 6, Issue 7 , July 2015, , Pages 592-599


  We report synthesis of the functional ZnO nanostructures (nanowires, nanorods) by a cost-effective and efficient method; called composite-hydroxide-mediated (CHM) approach. Effect of the processing temperature on the particle size, morphology, and subsequently morphological dependent optical emissions ...  Read More

Oxidative Synthesis And Electrochemical Studies Of Poly(aniline-co-pyrrole)-hybrid Carbon Nanostructured Composite Electrode Materials For Supercapacitor

Ashok Kumar Sharma; Preetam Bhardwaj; Sundeep Kumar Dhawan; Yashpal Sharma

Volume 6, Issue 5 , May 2015, , Pages 414-420


  A novel study on conducting polymers based composites involving hybrid carbon nanostructure assemblage of graphene, amine functionalized multiwalled carbon nanotubes and poly(aniline-co-pyrrole) has been done. The composites were synthesized by oxidative polymerization of 1:1 mixture of aniline and pyrrole ...  Read More

Structural Analysis By Rietveld Method And Its Correlation With Optical Propertis Of Nanocrystalline Zinc Oxide

Vikash Kumar; Swati Kumari; Pawan Kumar; Manoranjan Kar; Lawrence Kumar

Volume 6, Issue 2 , February 2015, , Pages 139-147


  The correlation between structural and optical properties of nanocrystalline ZnO synthesized by the citrate precursor method has been investigated. The Rietveld refinement of X-ray diffraction pattern confirms the P63mc space group and formation of single phase hexagonal wurtzite structure with presence ...  Read More

Structural And Optical Study Of MeV Cobalt Ion Implanted Silicon

Pramita Mishra; Vanaraj Solanki; Ashutosh Rath; Soumee Chakraborty; Himanshu Lohani; Pratap K. Sahoo; Biju Raja Sekhar

Volume 5, Issue 12 , December 2014, , Pages 699-705


  We report the optical tunability through defect states created in silicon by 1 MeV cobalt ion implantation at room temperature in the fluence range of 5 × 10 13 to 5 × 10 15 ions cm -2 . Atomic force microscopy studies reveal the surface nanostructures with maximum roughness of 0.9 nm at ...  Read More

High Stability Field Emission From Zinc Oxide Coated Multiwalled Carbon Nanotube Films

Rajkumar Patra; Santanu Ghosh; Himani Sharma; Vasant D. Vankar

Volume 4, Issue 11 , November 2013, , Pages 849-855


  A comparative study of electron field emission (FE) property of pristine mutiwalled carbon nanotubes (p-CNTs), zinc (Zn) coated CNTs (Zn-CNT), zinc oxide (ZnO) coated CNTs (ZnO-CNT) is reported. CNTs were synthesized on p-type Si (100) by microwave plasma enhanced chemical vapor deposition (MPECVD) method ...  Read More

Swift Heavy Ion Irradiation Induced Structural, Optical And Conformational Modifications In Conducting Polymer Nanostructures

A. Kumar;Somik Banerjee

Volume 4, Issue 6 , June 2013, , Pages 433-437


  Structural and conformational modifications in conducting polymer nanostructures viz., Polyaniline (PAni) nanofibers induced by swift heavy ion (SHI) irradiation have been investigated employing TEM, XRD, UV-Vis, FTIR and micro-Raman spectroscopy. Upon interaction with the highly energetic ions, PAni ...  Read More

Fabrication Of Polyaniline Nanofibers By Chronopotentiometery

Yasir Ali; R G Sonkawade;A S Dhaliwal; Vijay Kumar

Volume 3, Issue 5 , November 2012, , Pages 388-392


  We have electrochemically synthesized polyaniline nano fibers with optimized process parameters (viz. concentration of monomer and dopant, applied current density, deposition time, etc.) on ITO coated glass substrate. The nano fibers of polyaniline were subjected to UV Visible, SEM and Raman spectroscopy. ...  Read More

Influence Of ZnO Buffer Layer On Growth Of Sb Doped ZnO Nano Wires Using Nano Particle Assisted Pulsed Laser Deposition (NAPLD) Using Sb As Catalyst

I.A. Palani; D. Nakamura; K. Okazaki; T. Shimogaki; M. Higashihata; T. Okada

Volume 3, Issue 2 , April 2012, , Pages 66-70


  Influence of ZnO buffer layer thickness on the structural and optical properties of the Sb catalyzed/doped ZnO nanowires synthesized using NAPLD has been investigated. Buffer layer with a thickness of 100 nm, 800 nm and 1600 nm coated with Sb are used as a substrate and pure ZnO was used as a target ...  Read More

Assessing the conformational and cellular changes of ZnO nanoparticles impregnated Escherichia coli cells through molecular fingerprinting

Ranu K. Dutta; Prashant K. Sharma; Avinash C. Pandey

Volume 2, Issue 4 , October 2011, , Pages 268-275


  Here is an insight into the effects of interaction of ZnO nanoparticles and the various cellular level changes that are brought about by the help of Raman spectroscopy on individual Escherichia coli cells. Raman vibrational signatures show variation in peak intensities of some of the cellular components ...  Read More

Raman spectra of hot-pressed boron suboxide

Ronald Machaka; Bonex W. Mwakikunga; Elayaperumal Manikandan; Trevor E. Derry; Iakovos Sigalas

Volume 2, Issue 1 , March 2011, , Pages 58-64


  Despite hot pressing being the most popular method of consolidating B6O powder, the Raman spectrum of polycrystalline hot-pressed B6O was until now poorly understood. Yet, recent reports have contributed to the understanding of only high-pressure and high-temperature sintered B6O. Using an automated ...  Read More