How we can determine number of bound states in the Zigzag graphene nanoribbon?Any idea what could be the maximum number of bound states in the Zigzag graphene nanoribon case
I need to calculate real part of dielectric constant in case of graphene nanorribbons. Please suggest how we can calculate , we need this since no band gap is there in case of graphene, but it is...
08 September 2018 2,373 1 View
Is there any inbuilt lanczos algortihm in matlab,or we need to write ourselve script for this,since i want to solve Tri diagonal Hamiltonain actually in matlab,so any body has any idea . regards
05 June 2016 5,706 7 View
I am calculating eigen values and eigen function with eig function in matlab ,but it is giving wrong answers ,means accuracy wise, is there any other function in matlab ,like in numerical recipes...
05 June 2016 8,910 11 View
Why the localization as well mobility should increase in two dimensions ,if we are moving from 2 to 3 dimensional case,should these two physical things should keep on moving or not.
31 December 2015 3,802 4 View
How this corrugated graphene nanoribbons differs from zigzag graphene nanoribbons.Why 2-D lattice cant exist at finite temperature .Please share your views. with regards
07 August 2015 8,688 0 View
In my GNR(graphene nano ribbon system,i am getting retarded green's function 's values as matrices but in each element very small terms are being subtracted ,as i understand it must be positive...
06 July 2015 4,820 0 View
Can any body suggests that hopping terms can be t times exp(i^*phi),where phi is any value,we like .Is it possible that we can keep the value like this,what it means physics wise . regards
05 June 2015 6,613 2 View
I am simulating graphene nano ribbons,and i want to add my magnetic field term in Hamiltonian,is there any other method than Pierls Substitution or not. regards
05 June 2015 2,386 40 View
we can simulate single walled carbon nanotube up to app 1nm diameter,what will happen in case of graphene nano ribbon ,is there limitation in this case like it was in carbon nanotube single walled...
05 June 2015 9,189 4 View
Electron-electron interaction can be incorporated only through Phase breaking potential.How we can say this while as far as i know it can be approximately calculated by Schrodinger-Poisson solver...
04 May 2015 8,961 4 View
In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...
01 March 2021 2,207 3 View
I am trying to reduce graphene oxide by thermally but I have no proper information regarding this. Can any one help me regarding the details about temperature and time for the reduction of...
23 February 2021 4,155 4 View
I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...
22 February 2021 5,324 3 View
Unlike graphene, it is usually very difficult to exfoliate few layers (~10 nm thick) of hBN on SiO2 substrate due to lip-lip interaction at the edges. Au substrates have been proven very useful...
16 February 2021 2,635 2 View
I had treat my XRD diffraction pattern by Highscore to calculate the crystallinity degree Xc and I have the formula but I dont no the 2Theta of Ac and Aa to calculate Xc. Is it like polymers...
10 February 2021 6,305 5 View
Hi Can anyone please help me know the XRD details of reduced graphene oxide, Nitrogen doped reduced graphene oxide, Sulphur doped reduced graphene oxide, Nitrogen and Sulphur co-doped reduced...
08 February 2021 3,033 3 View
What are the main differences between Graphene Oxide and Expanded graphite, in terms of surface functionalities, conductivity, d-spacing and other features? Is the term expanded graphite...
06 February 2021 9,810 4 View
Dear Fellows, now it is the time to push graphene applications further in terms of easy and low cost production surroundings. Thus I recently dived in the materia and I am facing tons of papers,...
02 February 2021 6,284 2 View
I have a working electrode composed of deposited graphene material (confirmed from Raman).The graphene is porous and has deposited Pd nanoparticles. I am trying to perform hydrogen underpotential...
01 February 2021 3,199 1 View
Hi, We all know the dispersion relation for an ideal graphene in hexagonal lattice. Since graphene is polycrystalline by nature, assuming a perfect graphene crystals with average size La, nm...
24 January 2021 4,747 2 View