Narendra Bandaru

14 Questions 14 Answers 0 Followers

Questions related from Narendra Bandaru

Can any one explain the broadening of XRD peaks of CIGS nanoparticles?

Dear Researchers, I have prepared CuInxGa1-xSe2 nanocrystals by refluxed method. The obtained powder ware observed broadening in XRD peaks. What could be the reasons for broadening peaks. How i...

04 October 2016 1,031 2 View

XPS analysis for Al doped Zinc oxide?

ZnO 2p peaks for pure ZnO are observed at binding energies of1021.2 and 1044.2 eV, respectively. Binding energies for the Al-doped ZnO samples increase by 0.5 eV compared with the pure ZnO sample....

25 May 2016 7,876 3 View

Can anyone tell me the shallow donor levels in Zinc Oxide or Aluminium Zinc Oxide thin films?

In AZO and ZnO thin films, two peaks centered at around 371-381 and 387 to 391 nm. From the literature range between 371-381 nm peaks assigned to UV (band to band transitions or NBE emissions) and...

26 November 2015 445 2 View

Does the Hall measurement provide quantitative information?

Hello, Does anyone know, how to explain microstructure of a semiconductor by using Hall measurement. How we can explain quantitative information on impurities, imperfections, uniformity and...

28 June 2015 2,190 3 View

How thick is the buffer layer in solar cells?

How to determine the optimum buffer layer thickness for a solar cells. Is there any specific range for the buffer layer thickness or special equations from which we can calculate the same.

09 May 2015 3,954 9 View

How can one calculate the lattice spacing's in the different direction of the HCP?

Lattice spacing values in the directions, like [1 1 -2 0], [ 1 -1 0 0], [0 0 0 1].

25 August 2014 4,916 8 View

Can someone explain how to get conductivity in Aluminium doped Zinc Oxide by Spin Coating?

Used chemicals are Zinc acetate dihydrate, Ethanol or 2-Methoxyethanol, Monoethylamine and Aluminium nitrate non-ahydrate. I prepared sol for spin coating by used above chemicals.i got more...

04 August 2014 9,772 13 View

Can someone tell me a Poisson ratio value of cubic system for rare earth oxides?

I am looking for a value of Poisson ratio value of like cubic structure (Sm2O3, Eu2O3,Gd2O3).

12 June 2014 7,285 3 View

How to calculate the molar number of broken, near neighboring bonds at the oxide surface per unit surface area?

For calculating the surface energy of Sm2O3 in cubic and monoclinic systems, which depends on the crystallographic surface plane considered for Sm2O3.

29 May 2014 2,955 1 View

Can someone advise on finding the surface energies of cobalt oxide (CoO Compound)?

Currently I am working on my project work related to Cobalt Oxides systems (CoO and Co3O4). I required surface energies values for different planes (111,110,100) for my project work.

12 April 2014 3,659 2 View

What would be best target (CuSe2 or Cu2Se) for RF sputtering deposition for CIGS thin films?

I am starting with a binary compound for studies on CIGS thin films. For that purpose which target is better (CuSe2 or Cu2Se). [ planing like Binary ,Ternary ,Quaternary ]

20 March 2014 7,506 2 View

What are the possible oxides states of SmCo thin films?

Can anyone suggest the most amorphous thin oxide forms of SmCo5-based permanent magnetic thin films?

06 December 2013 1,052 2 View

What is the importance of choosing ZnO over AlN for FBAR?

I ma interested in both the scientific and economic point of view. Preparation of FBAR by using ZnO.

07 November 2013 6,190 3 View

How to explain endothermic peaks (DSC) for ferrite sample?

I want to know what endothermic peaks give nono ferrite type of samples. I got 3 peaks, how can I explain them?

09 October 2013 8,283 7 View