Ajayakumar Kavala

15 Questions 28 Answers 0 Followers

Questions related from Ajayakumar Kavala

When metal and semiconductor are brought together, why is vacuum level shifting?

what is reason to shift the vacuum level when metal and semiconductor brought together

28 July 2015 9,621 10 View

What is difference between SRH model and Langevin recombination model?

I would like know more about Langevin recombination model, why we are not using SRH model in the case of Organic Electronic materials and what is the importance of the Langevin model in Organic...

28 October 2014 4,725 8 View

What is the physical significance of poisson, drift-diffusion, and continuity equations?

I would like to know the physical significance of Poisson, Drift-Diffusion and Continuity equations. If anybody knows please let me know ( File is attached)?

07 October 2014 1,691 12 View

In a finite rectangular thin film the electric field is passing towards the Z-direction. Do you know how to determine the electric field?

I would like know how to determine the electric field if it is finite rectangular thin film .

16 July 2014 8,527 2 View

How do you determine the interface trap density for organic semiconducting materials?

I would like to know how to the determine the interface charge density for organic semiconducting materials

02 July 2014 3,788 3 View

How do you determine the surface charge density for organic semiconductors?

I would like to know the determination of surface charge density for organic semiconductors.

30 June 2014 363 6 View

How do you determine the effective channel thickness in Organic Thin Film Transistors and is there any affect of thickness in the same device?

I would like to know the determination of effective channel thickness and channel effect of thickness in I-V characteristics in the same device

20 June 2014 2,987 6 View

What is the difference between I-V characteristics of MOSFET and OFET?

Here I attached the file of I-V characteristics of MOSFET(Fig 1.a) and OFET (Fig 1.b). I would like to know, why it is like that?

20 June 2014 2,718 4 View

Why are most researchers not fabricating the top gate contact Organic Field Effect Transistors?

I would like to know more about top gate contact Organic Field Effect Transistors

21 April 2014 3,366 2 View

Can we fabricate the Pentacene thin film as a single crystal?

I would like to fabricate the pentacene thin film as a single crystal. If anybody knows how to do it, please let me know.

01 April 2014 368 6 View

Why is pentacene not in the form of a single crystal at macroscopic length scale level?

Can anybody explain?

10 October 2013 6,124 1 View

How to measure the mobility for short channel (below 900 nm) of organic field effect transistors?

I have made OFET with different nanometer range of channel length and I would like to measure the mobility. Can anybody suggest to me how to measure it?

26 September 2013 3,376 17 View

What is the expression to find out deep trap concentration in Pentacene sandwich cell or organic field effect transistors?

For pentacene sandwich cell or organic FET, what is the expression to find out the deep trap concentration like Nt or Et-Ev or fraction of total charges(Theta)?

07 August 2013 4,636 2 View

What is the short channel effect in Organic Field effect transistors?

I would like to know about short channel effect in organic field effect transistors, the range from 10 nm to 900nm of channel length. If anybody knows please help me with output and Transfer...

25 July 2013 7,430 2 View

What is the subband length between gold nanoparticles?

I have made a pentacene Field Effect Transistor, in that I have deposited the gold nano particles on an active layer. If I want to know the tunneling current, first of all I have to know the...

14 May 2013 2,800 0 View