Amit Das

13 Questions 69 Answers 0 Followers

Questions related from Amit Das

Any software (free/paid) which can be used to draw 3D MOSFET (concentric cylinder) structure?

Greetings everyone, Field: VLSI/Microelectronics/Solid State Electronics I am from the VLSI field, and many times, a comment comes regarding the fabrication process flow of surrounding gate...

31 May 2023 5,528 4 View

How to find built in potential in a diode with two different materials?

If we have a diode with p-type (Germanium) and n-type ( Silicon), then what will be the formula to find the built in potential?

09 March 2022 1,782 3 View

How to extract inversion layer depth for MOSFET in SILVACO TCAD?

How can I extract this particular parameter in TCAD? Any help or suggestion will be appreciated, thanks!

09 February 2022 4,187 4 View

Which software must be used for graph plotting?

I am plotting the graphs on MS EXCEL. But after seeing IEEE papers, I noticed that figures are small with a better clarity. I am wondering if there is any other software that may be used for the...

04 December 2021 3,576 38 View

Why do we prefer polysilicon gate over metallic gate in MOSFET?

What are the advantages and disadvantages of polysilicon gate over metallic gate?

02 July 2021 2,979 15 View

Does increasing gate oxide capacitance(increasing dielectric constant) will increase or decrease off-current in GAA-MOSFET?

Is there any relation existing between gate oxide capacitance and off-current in GAA- MOSFET?

30 June 2021 2,949 12 View

How to define new material on ATLAS TCAD?

I want to use Al2O3 or HfO2 as the gate oxide material for GAA MOSFET in the SILVACO TCAD script . How can I do that? Can I use them directly with just changing the dielectric constant value in...

26 June 2021 8,608 9 View

Which models should be used in ATLAS TCAD?

I want to work on the following topics with the following specifications : Channel Length = 30 nm , R Channel = 10 nm , Doping of source/drain ~ 1016-1020 , Channel Doping ~ 1010 - 1016 1. I want...

26 June 2021 8,446 6 View

What is diode connected transistor?

I want to know if 1) the diode connected transistor will act as diode with no amplification ability 2) just the current across diode connected transistor is similar to that of diode. Which one...

21 June 2021 893 9 View

How to extract or obtain the energy band diagram for a given structure (GAA MOSFET) in SILVACO TCAD(deckbuild)?

I want to know the exact steps for extracting EBD at various biasing of gate/source/drain.

10 June 2021 6,820 14 View

Which is faster - BJT or MOSFET and why?

I have been stuck into this question that which one is relatively faster and why. Parasitic capacitance in BJT is less when compared to MOSFET which makes it faster whereas MOSFET being a majority...

10 June 2021 5,794 19 View

Does body effect needs to be considered for small channel length gate all around mosfet?

Can we neglect body effect in small channel length(length is less than 30 nm) surrounding gate MOSFET device or is it still a dominating factor while calculating threshold voltage?

09 June 2021 6,416 3 View

How can we identify/differentiate between a metal and a semiconductor material only by touching/observing them(cant perform any test)?

There are two materials A and B out of which one is a metal and second is a semiconductor . How can we identify and classify them just by touching or observing them without performing any test?

06 June 2021 2,028 11 View