Questions tagged [electric-field]

Questions pertaining to electric fields wrt materials modeling.

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10
votes
2answers
185 views

Quantum chemistry in external electrostatic field?

Which quantum chemistry methods can be used in an external electrostatic field? Also which software supports that? I'm interested in anything from semiempirical (eg XTB) to DFT (eg ωB97, B3LYP-D3) ...
5
votes
1answer
58 views

What are the more efficient, or easier, methods of handling electromagnetic interactions?

Since metals, metalloids, non-metals, and composites, have differing characteristics, plug-and-play methods, so to speak, would be useful. Also, as it’s well known that a moving electrical field ...
12
votes
1answer
202 views

Analyzing MD trajectory: molecule orientation

I'm running a MD simulation (in Gromacs) of dye molecules incorporated into polymer to determine how that system responds to external electric field. There are two order parameters that are used to ...
6
votes
1answer
284 views

VASP error when trying to do calculations in the presence of an electric field

I am trying to observe the effect of the electric field on 2D materials. I applied electric field by introducing three tags: ...
7
votes
1answer
156 views

Adding external electric field in ORCA with specific strength

Can anybody share methods to apply an external Electric field in ORCA? thanks!
8
votes
1answer
133 views

Reading in E-field with CP2K

I have figured out a way to input a custom electric field in a .cube format, but I am not sure I am doing it in the proper way. Currently my file contains information for the magnitude of the electric ...
6
votes
0answers
179 views

Is there any way to simulate the Polarization vs Electric Field loop of BaTiO3 using Quantum ESPRESSO?

I'm new to the Quantum ESPRESSO package. There are articles outlining the procedure of indirectly simulating the P-E loop of piezo-electric materials via Berry phase calculations.One procedure is ...
9
votes
1answer
336 views

Electric Field Calculations in VASP

Can someone share appropriate tags and method to apply Electric Field in VASP?
13
votes
1answer
69 views

Modelling ion Drift-Diffusion under an external electric potential, convergency in PDE?

Ion drift-diffusion under the effect of an external electric field is a phenomenon with a huge relevancy in light emitting devices, neuromorphic architectures and in general molecular electronics Up ...