Optical constants change in As40Se60 and As50Se50 : A comparative study by FTIR and XPS

Ramakanta Naik; C. Sripan; R. Ganesan

Volume 3, Issue 7 , 2018, , Pages 458-463


  In this manuscript, the As40Se60 and As50Se50 samples of 800nm thickness were deposited onto glass substrate by thermal evaporation technique. The as-deposited films were characterized using X-ray diffraction (XRD) and FTIR Spectrophotometer. The prepared samples are amorphous type. The transmission ...  Read More

Sputtered nanostructured single crystalline cu doped ZnO thin films for carbon monoxide gas sensing applications

Pawan Kumar; Amit Sanger; Arvind Kumar; Davinder Kaur; Ramesh Chandra

Volume 3, Issue 5 , 2018, , Pages 312-317


  In the present work, gas sensing properties of Copper (Cu) doped Zinc Oxide (ZnO) thin films have been investigated. The nanostructured ZnO and Cu doped ZnO (CZO) thin films have been synthesized using DC magnetron sputtering on glass substrates. The effect of hydrophobicity and surface roughness of ...  Read More

Fabrication of Au:ZnO thin films by a solution-assisted route for application in photo-electrocatalytic degradation of methylene blue (MB)

Bhishma Karki; Jeevan Jyoti Nakarmi; Rhiddi Bir singh; Manish Banerjee

Volume 2, Issue 9 , 2017, , Pages 575-580


  The influence of Au doping in ZnO thin films was studied with respect to photoelectrocatalytic degradation of methylene blue (MB). Influence of Au doping concentration onto PEC structural morphological, optical and luminescence properties of the ZnO thin films were thoroughly investigated. The maximum ...  Read More

DC magnetron sputtering: Impact of partial O2 pressure on the characteristics of Ag2O films

Nagendra Vara Prasad M; Jeevan Kumar R; Munikrishna Reddy Y

Volume 2, Issue 9 , 2017, , Pages 593-595


  In the present work, Ag2O films are deposited at room temperature using DCMS (Magnetron Sputtering) method with the variation of pressure of O2 during the development of film. The pressure of O2 in the DCMS unit chamber is arranged between 2X10-2 and 6X10-2 Pa. Transmission and absorption spectrum are ...  Read More

Effect of thermal cycling on optical properties of e-beam deposited hafnia thin film

Mukesh Kumar; Neelam Kumari; Vinod Karar; Amit L Sharma

Volume 2, Issue 8 , 2017, , Pages 514-517


  HfO2 thin films have gained much significance in recent years as a promising dielectric material for semiconductor electronics added to their wide applications in the field of optical filters as a high index material. The resistance of HfO2 films to impurity diffusion and intermixing at the interface ...  Read More

Thermoelectric performance of Bi2Te3, Sb2Te3 thin film

Sharmistha Anwar; Barada K. Mishra; Shahid Anwar

Volume 1, Issue 2 , 2016, , Pages 191-194


  Thermoelectric thin films of Bi2Te3 and Sb2Te3 were deposited by using sputtering technique. Structural characterizations of as deposited films were done by using X-ray diffraction (XRD), Energy Dispersive X-ray Analysis and electrical properties have been evaluated at room temperature by Seebeck coefficient ...  Read More

Influence of Bi addition on the optical properties of As40Se60 thin films

Mukta Behera; Rozalin Panda; Naresh C. Mishra; Ramakanta Naik

Volume 1, Issue 2 , 2016, , Pages 200-204


  In the present work, structural, microstructural, compositional and electronic band gap properties of As40Se60 and As40Bi15Se45 bulk and thin films are reported. The films were prepared by thermal evaporation technique under high vacuum. X-ray diffraction (XRD) study indicated amorphous nature of As40Se60 ...  Read More