Nudrat Sufiyan

12 Questions 15 Answers 0 Followers

Questions related from Nudrat Sufiyan

Gate and drain leakage current analysis for calculation of off state breakdown voltage for HEMT in SILVACO TCAD?

Hello everyone, I have attached the reference diagram along with the code of my structure . I want to simulate gate and drain leakage current analysis for calculation of off state...

08 September 2024 4,929 0 View

Gate capacitance effect in hemt, if gate is in direct contact(schottky contact) with alagan barrier layer ?

If T-gate is in directly contact with AlGaN barrier layer and on the either side of gate there is cavity which is filled with biomolecules having dielectrics .Can we show the capcitance effect in...

08 November 2023 1,142 0 View

Define workfunction of gate?

If gate is directly in contact with dielectric material (insulator), how can we define the work function of gate. Please assist me with this.

05 April 2023 231 3 View

How can I solve this error in SILVACO ATLAS TCAD for RF Analysis (Ft/Fmax Graph)?

I am trying to do RF analysis, it is giving following error. Warning: Calculated gain GUmax is negative. This condition usually arises when contact resistances are specified. Consider using...

11 February 2023 9,063 1 View

How can we do off state breakdown voltage calculation using drain leakage current analysis of AlGaN\GaN HEMT in SILVACO TCAD?

Hello everyone, I am trying to do simulation for (Id vs Vd) off state breakdown voltage of AlGAN\GaN HEMT in SILVACO TCAD. I am not getting correct result . I have also attached the code. Please...

09 December 2022 5,836 2 View

Material parameters required for sic substrate in AlGan\GaN HEMT SILVACO TCAD simulation ?

Hello everyone, I have designed a structure using sapphire as a subtsrate and now I want to replace sapphire substrate with Sic semi insulator in substrate region so what are the material...

25 November 2022 818 2 View

How can I plot 2DEG vs gate voltage of AlGaN]GaN HEMT in SILVACO TCAD?

Dear all, I am trying to take graph between 2DEG vs gate voltage. Anyone please explain me the procedure for this. As I am getting electron concentration from cutline of structure and separate...

30 August 2022 6,067 2 View

Effect on conductivity by variation of AlN thickness in AlGaN HEMT??

I have plotted energy band diagram for different AlN spacer layer thickness of AlGaN\AlN\GaN HEMT using SILVACO TCAD. In this I have obsereved that on increasing thickness of AlN spacer...

12 August 2022 4,873 0 View

What should I change in my SILVACO code to get correct structure of AlGaN HEMT with stern layer and bio layer?

Hello everyone! I am trying to reproduce a research paper in SILVACO based on GaN HEMT. But not getting correct structure of AlGaN HEMT given in paper, as I am getting error. Please tell what...

21 April 2022 4,153 0 View

Can anyone provide a SILVACO TCAD simulation code(in DeckBuild environment) for AlGaN/GaN HEMT?

Need the code for reference purpose. I've seen the AlGaAs /GaAs HEMT example in SILVACO's example section , but I need the AlGaN/GaN based HEMT code. As I have tried to design a GaN HEMT...

05 June 2021 796 5 View

Can anyone help me with these errors

Hello everyone, I am trying to simulate AlGaN HEMT for biosensing appliication with stern layer and bio layer, but I am getting following error .I have attached my codes also ATLAS> material...

01 January 1970 2,407 0 View

Please suggest me reason behind getting wrong Id-Vg plot

Please suggest me why I am getting these kind of Id-Vg plot,and I am getting right structure. I have attached the code also .Please check it once.

01 January 1970 8,561 0 View