Yambo on Optical properties?

I get this type of error when runing bulk silicon. But when i run the 2D and 3D examples on the YAMBO examples, I manage successfully. Why? /\ \ /\ \\ _ \ /"\_/`\/\ `\ /\ _`\ \ `\`\\/"/ \...

07 August 2018 1,486 0 View

BoltzTraP error after substitutional doping?

Hello all, I am trying to generate the the .intrans file after 2% doping but i cant. I get the following error. Why? Traceback (most recent call last): File...

06 July 2018 1,433 4 View

Boltztrap Code for thermal Expansion?

05 June 2017 4,507 3 View

Calculating e-v. dat ising phonopy code?

05 June 2017 7,901 1 View

Thermal conductivity, thermal expansion and thermal resistivity.?

04 May 2017 1,900 3 View

Enthalpy vs Pressure?

when I plot the Enthalpy vs pressure graphs for different phases, is it a must that they cross each other?? is that the only way of testing phase transition? I have my graph but they aren't...

02 March 2017 4,620 0 View

ERROR ON script?

Hello everyone, I am running a calculation on Quantum Espresso and am getting the error below, what could be the problem? This run was terminated on: 16:27:35...

11 December 2016 3,249 0 View

Can thermo_pw calculate the elastic properties os solids?

I am using thermo_pw for murnaghan fit but if i try the same to elastic constants calculations, it fails? why? what is the best environment it should work in?

11 December 2016 9,919 0 View

VC_relax or relax?

Could someone give an explation on VC_relax and relax. Am using Q.E. computer code when do we use each? Consider a unit cell and later on a dopped super cell.

11 December 2016 1,447 0 View

Exchange Correlations/Pseudopotentials?

10 November 2016 10,028 1 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Can't recognize exact phase and PDF card no of Silicon carbide in XRD?

We have deposited silicon carbide on carbon substrate using one PVD technique. Due to amorphous behavior of SiC at low deposition temperature, we performed heat treatment of those films at...

22 February 2021 2,072 3 View

Is there a suitable way to confine cell attachment area inside a multi-well plate?

Are there any types of cylindrical cell culture inserts that are designed to confine cell seeding area? Say, if I'm using a 12 well plate (3.5 cm^2/well), but only want to seed cells in the middle...

22 February 2021 7,127 4 View

How to convert 2D stack images to 3D to obtain surface area of nucleus?

I have 15 slices of the nucleus at different z-heights from confocal imaging. I would like to use these slices to reconstruct the 3D nucleus and ultimately estimate the surface area of the...

20 February 2021 6,967 1 View

Hi..how to isolate crude HDL (all subfractions) from human serum by size exclusion chromatography?

I would like to know about isolation of crude HDL from serum by SEC. Is it possible to perform with a serum sample volume of

19 February 2021 5,576 2 View

How to calculate the Atomic Polar Tensor using DFT ?

Dear friends, I am a beginner at DFT calculation. I have done a structure optimization using DFT- B3LYP/6-31G*, Nevertheless, I don't know How to calculate the Atomic Polar Tensor (APT) in...

17 February 2021 9,082 3 View

Is my GFAP staining in right position?

I was differentiate hESC to astrocyte. In the second week of differentiation, I stained my cell with s100beta and GFAP. I expected that the staining site of GFAP would come from the cytoplasm,...

15 February 2021 8,982 1 View

Measurement of water retention in organic substrates without a pressure plate?

Hello, I'm trying to measure the physical and hydrological properties of organic substrate media. Currently, I'm referring The book Soil sampling and Methods of Analysis by Carter and Gregorich....

09 February 2021 3,233 8 View

Any model suggestion for the Electronic Health Records dataset ?

I have sequentially measured the time-series Electronic Health Record patient dataset. This is 7 years of research and each patient's blood pressure, Hba1c, LDL, Hb, Baseline Age,...were measured...

09 February 2021 4,933 8 View