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Questions related to the open source materials modeling framework, Quantum Espresso.

3 votes
1 answer
1k views

How to perform calc to ecutwfc and ecutrho in Quantum ESPRESSO

People I am using a script to calculate the best ecutwfc value for my system, however, what should be the value for ecutrho? My script should test different values for ecutrho too or I do not need to …
Everson Gomes's user avatar
5 votes
1 answer
530 views

What does "The calculation has reached convergence" mean in Quantum ESPRESSO?

I am a beginner in QE and I have a question. During I was reading about Output file, I saw a part where have it: "The calculation goes on step by step until convergence is reached. Then we show all th …
Everson Gomes's user avatar
5 votes
1 answer
1k views

Adsorption calcs using Quantum ESPRESSO

I already built a copper surface using BURAI and I used an SCF calculation to find the total energy of this surface. Now, what is the next step to finding the adsorption energy of one H2 molecule on t …
Everson Gomes's user avatar
6 votes
2 answers
597 views

Files for molecules to Quantum ESPRESSO

where can I find a file for molecules e.g: H2 For solids, I am using AMCSD (American Mineralogist Crystal Structure Database), but where can I find molecule files?
Everson Gomes's user avatar
3 votes
1 answer
272 views

I'm considering to take an introduction course with textbook "Materials Science and Engineer...

People, I am a beginner in material modeling (I am studing solid state in Quantum ESPRESSO) and I am having a lot of difficulty with basic terms like "k-points", "Miller Indices", "Band Structure" etc …
Everson Gomes's user avatar
7 votes
1 answer
2k views

How do I install Quantum ESPRESSO on Linux?

People, can someone please help me how to solve this problem with QE 7.0 installation:
Everson Gomes's user avatar
5 votes
1 answer
165 views

How to model a doped surface?

I want to start studying some single-atom catalysts doping with a transition metal. However, I do not what protocol I should follow. Based on the articles that I read, I should dope my surface only af …
Everson Gomes's user avatar