32 Questions 30 Answers 0 Followers
Questions related from A Z M Nowzesh Hasan
How can we measure threshold voltage of graphene FET using CV characteristics?
11 November 2018 608 0 View
For metal evaporation, cost of Au and Pd pallets are comparable. But in most of the cases, Au electrode is widely used though the work function of graphene under Au is lower than graphene under...
11 November 2018 1,971 0 View
What is thermal smearing? Is there any particular model using mono-layer graphene? Does it follow Gaussian or Fermi smearing?
11 November 2018 7,470 2 View
Electrochemical impedance spectroscopy can measure C-V characteristics for graphene FET? Can anyone share the detail experimental settings?
11 November 2018 9,442 0 View
What is the best way to measure capacitance of graphene transistor?
11 November 2018 1,744 0 View
How can I model ionophoretic membrane in terms of double layer capacitance in graphene solution gated FET sensing?
07 July 2018 2,221 0 View
What is label free detection? What is the advantage in this process?
06 June 2018 10,158 0 View
Due to the heat at 1000 C, methane is decomposing by following the endothermic decomposition reaction and the by product is hydrogen. Then, why hydrogen is used with methane in CVD graphene...
05 May 2018 3,231 0 View
In CVD graphene synthesize process, which factors are playing role in absorbing carbon on metal surface which is self-limiting?
05 May 2018 302 0 View
Graphene due to its ambipolarity, can transport electricity with electrons and holes. But does any ion take part in this transportation? How holes are generated? How can I calculate...
02 February 2018 2,727 2 View
How can I calculate carrier generation and recombination rate from the total carrier density for graphene?
01 January 2018 6,768 0 View
I am just curious why quantum Hall effect is so important for graphene? What is the application or implication other than calculating the carrier mobility using this process?
12 December 2017 2,250 0 View
I have fabricated graphene transistor. But I need to know how I can simulate graphene surface mobility (either using Monte carlo simultion or Tsuprem4)? Which simulator will be easier?
11 November 2017 5,272 1 View
Have you ever obtained any improvement in ion sensing using hBN under graphene FET? Please share your findings if possible.
11 November 2017 7,377 0 View
To simulate graphene FET using tSuprem4, can anyone please help me. How can I define graphene layer in Tsuprem4?
10 October 2017 8,534 0 View
During transferring graphene film using Cu etchent, its important for the film to float on liquid surface. I know PMMA makes the surface hydrophobic. Is CVD graphene film (w/o PMMA) on copper...
10 October 2017 4,505 3 View
I am using 1:1 solution of methylene chloride and methanol at 25 ⁰C for 1 h to remove PMMA from graphene. How can I remove it more effective way?
10 October 2017 452 2 View
How can I prove the graphene carriers the Dirac fermions other than using Hall effect?
08 August 2017 1,332 0 View
Hello, if I use hBN below graphene as bio-transistor, will the dirac point shifted compared with using only graphene in transistor?
12 December 2016 7,147 0 View
Dear researchers, would anyone help me understanding how the spin of electrons could be affected on graphene layer if hBN is laid beneath that graphene layer?
11 November 2016 5,347 4 View
Would someone please help me how I can calculate carrier mobility in graphene field effect transistor?
11 November 2016 5,711 8 View
Dear researchers, Would you please suggest me what is the cutting edge technology in sensing 2D material after graphene and transition metal dichalcogenides (TMDs)?
09 September 2016 7,827 0 View
Dear researchers, Which works better hBN or HfO2 using graphene as transistor sensor in terms of minimizing noise?
08 August 2016 5,786 3 View
Dear fellow researchers, I am curious about spin-coatable ion detectable membrane for Ca2+. What composition would be best if I use graphene FET for detection. What would be the spin coating code...
08 August 2016 9,036 0 View
Hello, honorable researchers, I need your expertise advice. For GFET, at zero gate voltage, if positive voltage is applied across drain and source, what would play vital role as majority charge...
07 July 2016 8,737 2 View
Would anyone please help me by sharing the protocol of hBN transfer from Ni foil to substrate.. Should I use 0.5 M HCl or Ni etchant ? Should I dip Ni foil in PMMA or spin coat it ? If I spin coat...
06 June 2016 4,647 0 View
I am trying to obtain transfer curve (Vg, gate voltage vs. Id, drain current) with graphene transistor using 2636A Keithley source-meter. Device basic structure is attached. I have put drain...
09 September 2015 1,567 4 View
Dear all,I am trying to fit data in MEISP from borron dopped ultra-nano crystaline diamond (UNCD) electrode on silicon di oxide wafer. Would you please give me an idea of equivalent circuit...
03 March 2015 2,226 1 View
Why metal contamination is bad for oxidation? Is there any particular reason?
01 January 1970 5,351 3 View
We can use acetone or Chlorobenzene. My question is "What is the benefit (or is there any benefit) of using especially "anisole" as a solvent for PMMA solution preparation?
01 January 1970 1,362 2 View
Would any researcher please explain me why the majority carriers in graphene without field effect is p-type?
01 January 1970 9,159 2 View
Dear researchers, Would someone please share some recipes to make MoS2 solution usable in spin coater from solid powder form of MoS2. How can I make just a few layered MoS2 on my device?
01 January 1970 444 3 View
