23
votes
Accepted
What is band inversion and how to recognize it in band structure?
Topological materials form a broad family including insulators, semimetals, and superconductors, of which perhaps the best known are topological insulators. For concreteness, I will focus on ...
- 10.2k
20
votes
What is Materials Modeling?
I'm just as curious of a user here as you, but I was able to find that a Materials Modeling Wikipedia page does in fact exist. :)
Computational materials science and engineering uses modeling,
...
- 397
19
votes
Accepted
Tools for high-throughput DFT studies?
As previously stated, arguably the most mature and widely used set of tools is currently a combination of Pymatgen, FireWorks, Custodian, and Atomate (which is built upon the prior three Python ...
- 6,852
18
votes
State of the art in computational materials design
After a little research I found a great article [1], which provides a good overview to what I asked above in Figure 2. Summarising in a table:
Method
effort
reliability
system size
Interatomic ...
- 2,314
17
votes
Accepted
How to build matter modeling models with appropriate tools?
Atomic Simulation Environment (Surfaces)
I am going to narrowly cover surface models in this answer since ASE is more than capable of handling a wide range of models from nanoparticles, surfaces, 2D ...
- 9,906
16
votes
What is Materials Modeling?
Answering your last questions: yes, yes and yes.
One thing to consider is which approach do you want/need to use. You can use an atomistic approach where you simulate/model the properties and the ...
- 18.7k
15
votes
Tools for high-throughput DFT studies?
I think these are some of the most popular:
pymatgen(+fireworks+custodian --> atomate)
these are all part of materials project, there are some good references available
OpenQD
this is a database ...
- 1,040
12
votes
How well can we model chemical synthesis?
Okay first some basics:
For most reactions we do not need to run molecular dynamics
Molecules are like springs and obey the principles of minimum energy. Therefore, normally the dynamics of a molecule ...
- 7,764
11
votes
State of the art in computational materials design
I am sure there are A LOT of authors publishing papers to answer this very question. Mainly because the theories employed have face a paradigm since "one-size-doesn't-fit-all".
Here are the ...
- 1,237
11
votes
Has materials modeling made any specific contribution to the success of perovskite solar cells, or has it only been experimental?
If you are looking for theoretical prediction of candidate perovskite solar cell materials; I have come across several papers that couple high-throughput density functional theory calculations along ...
- 1,952
11
votes
Tools for high-throughput DFT studies?
QMCPACK: is a modern high-performance open-source Quantum Monte Carlo (QMC) simulation code. QMCPACK is closely related to Nexus, which is another High Throughput Computing package for Quantum ...
- 1,192
10
votes
Accepted
High throughput tool to quantify the similarity of crystal structures?
As Thomas mentioned, there are tools from Materials Project that we use for structure similarity. See for example this paper, with code available in pymatgen. This works by creating local environment &...
- 1,421
10
votes
How well can we model chemical synthesis?
The computations do include quantum physics, since the very bare minimum of electronic structure calculations involve the quantum mechanics of electrons.
There's been quite a lot of development in ...
- 14.2k
8
votes
Accepted
Creating a heterostructure in VESTA
Since the constituent monolayers have generally differing lattice constants, special care is needed in the construction of the atomic models in such a way that the strain is minimized.
Let us denote ...
- 13.6k
8
votes
High throughput tool to quantify the similarity of crystal structures?
Not sure what your input files are, but there's a technique based on spherical harmonics that is relevant described here: High Throughput Profiling of Molecular Shapes in Crystals https://doi.org/10....
- 753
8
votes
Accepted
How could I know the numbers of different atoms in Materials Studio?
You have to set your interface to show the Properties Explorer, then select all the atoms of your system and look at the Properties Explorer.
In the examples below, there are a periodic system and a ...
- 18.7k
8
votes
Accepted
Could we predict all possible forms of carbon Allotropes?
One of the software I know is able to search/generate new structures is USPEX.
From their site, USPEX means:
USPEX (Universal Structure Predictor: Evolutionary Xtallography...and
in Russian "...
- 18.7k
7
votes
How to design nanorod
So I have been researching Quantum Dots but I will give you some advice on how could you go about creating your structure using VESTA and add ligands using IQ mol. You should watch this video first - ...
- 1,481
7
votes
Accepted
FireWorks for Workflow management or TensorFlow
Tensorflow and FireWorks are different kinds of software. The "workflow management" features of Tensorflow are primarily designed to manage running Tensorflow itself, while FireWorks and ...
- 1,698
7
votes
Accepted
What phosphorescence material emits light for a 1 hour period?
Strontium aluminate can be doped with europium to give a material with properties like you are expecting. This can be optimized to give maximum fluorescent yield as well, but keep in mind this will ...
- 9,906
7
votes
What material will expand after being compressed?
I think you need to know the potential energy surface (PES) of the system. Assuming the system is in equilibrium before applying the deformation, any modification will take it to a non-equilibrium ...
- 18.7k
6
votes
Has materials modeling made any specific contribution to the success of perovskite solar cells, or has it only been experimental?
To add to the previous answer: the new lead-free halide double perovskite $\ce{Cs_2InAgCl_6}$ was discovered by first-principles and then synthesized:
G. Volonakis et al. $\ce{Cs_2InAgCl_6}$: A New ...
- 161
6
votes
Accepted
Create an image from scratch with the vectors that represent the Berry phase for parallel transport (classic system)
The figure you are showing can be made in Adobe Illustrator or Gimp
I've recreated a crude rendition (very quickly) using adobe illustrator
The steps to get this far are:
create a sphere
cut the ...
- 7,764
6
votes
Tools for high-throughput DFT studies?
The community-edited awesome materials informatics list has a section on "software frameworks", which includes many of the tools mentioned in the answers here & more.
Contributions ...
- 2,024
5
votes
What are properties of interest for energy storage materials?
I have personally worked on many of these projects, and I consider the following paper as the most simplistic benchmark (as well as the Holy Grail) to better understand the properties of interest that ...
- 1,134
5
votes
What are properties of interest for energy storage materials?
Properties that seem experimentally relevant and computationally accessible would include, naïvely:
Density of States at the Fermi level, relation with conductivity
Density of States above and below ...
- 1,411
5
votes
What are the possible applications of DIC (digital image correlation) in mechanical testing and the field of materials science?
Digital Image Correlation is used a few different ways in mechanical testing. On larger samples, it can be used as a digital extensometer to measure the overall strain in the sample. For ductile ...
- 366
5
votes
Could we predict all possible forms of carbon Allotropes?
I will answer this from a "how much time does this cost" perspective. In general, I would say no we cannot predict all possible allotropes because there is always a chance that at higher ...
- 9,906
4
votes
How can I build an MoS2 nanoribbon?
NANOCUT
What is Nanocut?
Nanocut is a program designed to cut out various objects from three
dimensional crystal structures. It is aimed to be helpful when
creating geometry input for atomistic ...
- 18.7k
4
votes
Accepted
Is it necessary to do self-consistent calculation after structure optimization?
The procedure that takes more time to finish is the geometry optimization (in each step there are self-consistence field calculations).
There are properties that can not be calculated at the same time ...
- 18.7k
Only top scored, non community-wiki answers of a minimum length are eligible