Muhammad Ali

4 Questions 4 Answers 0 Followers

Questions related from Muhammad Ali

Why the mobility of graphene on Ni substrate is very low.

i am characterizing the graphene-Ni interface electrical properties. using the Hall Effect measurements i found the sheet resistance very low, lowest value for resistivity,high conductivity,very...

03 March 2016 6,744 1 View

Why graphene mobility is low when become interface with nickel

i have another problem about the graphene/ni interface.i made the Van der pauw type sample and characterize it using Hall Effect measurements but i get the lowest mobility value of 80 cm2/(V·s)....

03 March 2016 2,555 2 View

Why is it that the carrier concentration increases graphene on Ni at cryogenic temperature?

i am investigating the nickel interface effects on graphene electrical properties at cryogenic temperature i found that carrier concentration increased, can anyone tell me why?

03 March 2016 3,751 0 View

How do I explain the C-V analysis of complete CVD graphene structure like Si/Sio2/Ni/graphene?

I am working on CVD graphene transistor matrix without transferring graphene its still on nickel and i deposited top and back metal contacts like a moscap and I measure the CV. the graph is shown...

01 January 2016 3,742 3 View