Re: [Wien] effective mass calculation from electronic band structure

2017-03-28 Thread Fecher, Gerhard
for this purpose I made my own k-lists by hand and used the energies from the band structure (case.spaghetti_ene); principally one can also use the case.energy files if one has a proper k-list. What to use may depend on the format you like to have for the method you use to analyse the E(k)

[Wien] effective mass calculation from electronic band structure

2017-03-28 Thread Krishnaveni. S
Dear wien 2k users , Greetings . I am working on Heusler alloys for thermoelectric applications . During literature survey I read a journal Phys. Status Solidi A, 1–16 (2015) / DOI 10.1002/pssa.201532595.Gerhard H. Fecher. In this paper author has calculated effective mass for ZrNiSn. in

Re: [Wien] Question about ELAST

2017-03-28 Thread 長谷泉
Dear Prof. Blaha and Prof. Fecher, Thank you for kind advices. I tried to increase the convergence parameter and had a good result! If it is not enough in another compound, I will also try to increase the data point from 5 to 7. Best Regards, Izumi Hase tel: 029-861-5147 fax:

[Wien] Discontinuity in Seebeck coefficient

2017-03-28 Thread elsasab
Dear Wien2k users, I was calculating the transport properties for 2D material. In my results when I represented the seebeck coeffecient as a function of the chemical potential, I found discontinuty in the seebeck coefficient as I have many zero values for it at different value of the chemical

Re: [Wien] Question about ELAST

2017-03-28 Thread Fecher, Gerhard
Just a reminder, the elastic constants are calculated from second derivatives of the energy, therefore, the energy needs to be well converged also with respect to k points and plane waves. As Peter told, the RMS=0 sounds tempting, however, the error of a fitted parameter is proportional to