Sebastián Caicedo-Dávila

6 Questions 9 Answers 0 Followers

Questions related from Sebastián Caicedo-Dávila

Is it possible to have dielectric confinement for non-quantum-confined systems?

Dear community. As far as I understand, the dielectric confinement problem is scale invariant, while the quantum confinement problem has a length scale defined by the Bohr radius. I have been...

13 August 2019 3,922 4 View

DFT-NEGF: self consistently converged or DFT Hamiltonian?

Hi, I'm pretty familiar with the quantum transport DFT-NEGF method. Therefore, I'm also familiar with the computational costs for moderate system size. I wanted to know if it is acceptable, to...

01 April 2016 156 1 View

The electric Field intensity and lines are not changing as I change the permitivity. Any suggestions?

Hello, I'm trying to simulate the electric field lines and electric field intensity between two adjacent electrodes in contact with some dielectric. I get some results using the electrostatics...

31 March 2016 7,549 5 View

How can I determine C-Au bonding?

Hi! I'm working on a aC-Au interface , and I would like to determine when a C and an Au atoms are bonded, based on its electronic structure. for C-C I can determine it by means of the bonding...

16 February 2016 2,509 8 View

Why does LDOS increment?

I'm currently working on quantum transport in a heterostructure with 2 quantum wells. To offer a physical explanation of the behavior of the I-V curve, I plotted the LDOS inside each well. For the...

07 December 2013 5,116 5 View

How to obtain current maps of metallic and highly conductive samples in conductive AFM?

Hi! I'm working in the electrical characterization of amorphous carbon thin films by means of conductive AFM on a MFP-3D Bio AFM from Asylum Research, using the ORCA module and a Pt-Ir coated tip...

01 January 1970 8,376 4 View