Silicon native oxide thickness value?

Hi, Can anyone help by referring few articles or suggestions about the p-Si native thickness value. The conditions are the p-Si is cleaned in HF solution for 5 min and rinsed in water for few...

07 August 2016 9,963 0 View

Huge cut-in voltage from 1/C2- V plot for p-n diode?

Hi . I have performed a Capacitance-voltage experiment for my p-n diode sample. I plotted the (1/C)^2 - V and found that the Cut-in voltage is very high (more than 10V). It should come like...

07 August 2016 7,261 2 View

What is the difference in the X-Ray diffraction of Si (100) and Si (111) substrate?

31 December 2015 5,900 3 View

Do you feel that worldwide research collaboration is important?

11 December 2015 3,386 1 View

How to choose your Ph.D. Supervisor?

Hello World, Ph.D. supervisor should be the most influential people in your academic life. Guys, I would appreciate hearing your thoughts and experiences on this issue of choosing a Ph.D....

01 January 1970 6,070 7 View

Can you brief your project goal?

What kind of synthesis you are going to perform? Any novel technique regarding its seedless growth?

01 January 1970 736 1 View

Is it possible to have two luminescence bands of the same peak position but with different intensities in single spectrum??

Hi! If it is possible to have two luminescence bands of the same peak position in a spectrum, what is the reason behind formation of two separate bands instead of one? This phenomenon is related...

26 February 2021 4,963 5 View

ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View

Xrd result of ZnO thin film shown better crystallinity at low temperature and the crystallinity decreases as the temperature increased. why?

I have synthesized ZnO thin films at four different substrate temperature say, 300, 350, 400 and 450C. and the samples were annealed at 450C for half an hour. the xrd result shown better...

04 February 2021 7,641 4 View

What is the basis set to optimize ZnO using GaussView for DFT calculation study?

Greetings, I have a bit of problem in setup the basis set of my DFT study for ZnO.. As you can see in the image attached below, I use B3LYP 6-31G (d,p) for geometrical opt. of ZnO.. But sadly, I...

13 January 2021 7,508 4 View

What are the procedures for environment friendly and effective methods to prepare silicon QDs, Si nanotubes and silicene (2D materials)?

There are different nanostructures of silicon like nanotubes, QDs and silicene. I need to know what are the 'green' or other effective methods for preparing them..please share the procedures of...

10 January 2021 3,418 1 View

What materials besides gold can be infused into window panes?

Hello, Driving around, I have noticed a lot of office buildings where the glass panes have been infused with gold. The thin layer of gold reflects the sun and keeps the office at a comfortable,...

06 January 2021 976 4 View

What is the advantage of nanostructured ZnO thin film over continuous ZnO thin film for optoelectronic application?

What is the advantage of nanostructured ZnO thin film over continuous ZnO thin film for optoelectronic application?

30 December 2020 9,422 2 View

What is the best lubricant and dispersant for SiC abrasive particles ?

I am examining laboratory cases about ZnO Based ceramic Lapping with SiC,Al2O3,CeO2 and SiO2 abrasive particles. but i have no experience about modifying SiC slurry lapping. Also,i use of double...

13 December 2020 4,327 4 View

How to form Ir nanowires into HOPG by electrodeposition?

Hello everyone, Recently I am working on formation of nanowires on HOPG by electrodeposition. I started with Pd by using PdCl2 in HCl, and it worked. Pd NWs are formed on HOPG. However, my goal is...

12 December 2020 5,877 2 View

How to know if Zinc Oxide is coated on the glass substrates?

Hello all I have prepared Zinc Oxide nanoparticles using sol gel synthesis. I tried to coat the ITO and glass substrates with the ZnO nanoparticles ( dispersed in ethanol). But I am not sure if...

08 December 2020 3,692 8 View