Re: [SIESTA-L] EigenChannels problem in Inelastica

2014-07-25 Por tôpico akshu hans
I can't get to this linkit seems to be forbidden    Regards Akshu On Saturday, July 26, 2014 12:31 AM, zgp121 wrote: You do not need to replace the files. You should directly download the whole tar source code for that subversion. Use this link to download the most recent subve

Re: [SIESTA-L] EigenChannels problem in Inelastica

2014-07-25 Por tôpico Akshu
how you use the EigenChannels commands. That > would be much of useful. Otherwiese, nothing can be deduced. > > 2014-07-25 > 发件人:Akshu > 发送时间:2014-07-25 21:03 > 主题:[SIESTA-L] EigenChannels problem in Inelastica > 收件人:"siesta-l@uam.es" > 抄送: > > >

[SIESTA-L] EigenChannels problem in Inelastica

2014-07-25 Por tôpico Akshu
Dear siesta users When I try to run EigenChannels script in revised subversion of Inelastica package to get the eigen states I get the following error: TypeError: main() takes exactly 1 argument (0 given) Can someone help with this... Thanks Akshu

Re: [SIESTA-L] unable to access inelastic documentation

2014-07-24 Por tôpico Akshu
Thanks Thomas it is working now. > On 24-Jul-2014, at 4:36 pm, Thomas Frederiksen > wrote: > > Dear Akshu, > > Thanks for making us aware of the broken link to the Inelastica mediawiki > page. > > Apparently SourceForge has simply retired this service very re

[SIESTA-L] unable to access inelastic documentation

2014-07-23 Por tôpico akshu hans
Dear siesta users I am not being able to open the link http:///sourceforge.net/apps/mediawiki/inelastica  in order to get the installation notes and documentationit was working a few days back. Where else can i get the installation notes and documentation? Thanks in advance   Regards Akshu

Re: [SIESTA-L] Non equilibrium density of states in Transiesta

2014-06-30 Por tôpico akshu hans
Dear Guangping Thank you for sharing the code with all of us. Could you please explain its outputi got one eigen value and remaining all zeroes.   Regards Akshu On Saturday, June 28, 2014 6:42 PM, zgp121 wrote: Yes, it is possible. But in TranSIESTA itself not. You can achive this

Re: [SIESTA-L] Non equilibrium density of states in Transiesta

2014-06-28 Por tôpico Akshu
Hi, Is it possible to calculate homo and lumo (mpsh eigen states) of the molecule sandwiched between two Electrodes using transiesta ?? > On 28-Jun-2014, at 5:39 pm, "zgp121" wrote: > > Dear Jin, > > Projected density of states at nonequilibrium (under non zero bias) in > TranSIESTA should

[SIESTA-L] [***Posible SPAM***]

2014-04-01 Por tôpico akshu hans
) or use a post processing tool?   Regards Akshu

Re: [SIESTA-L] Visualizing Eigenchannels problem in Molekel

2014-03-28 Por tôpico Akshu
Hi Behnaz How did I solve your earlier problem regarding netcdf.mod file?? Akshu Sent from my iPhone > On 29-Mar-2014, at 12:36 am, Behnaz Bagheri > wrote: > > Dear Siesta users, > > I am trying to visualize the eigenchannels with Molekel from this tutorial: > http://di

[SIESTA-L] question about transiesta

2013-07-12 Por tôpico akshu hans
Dear Siesta Users Is it necessary to attach the molecule to the electrodes in order to determine its transport properties??

Re: [SIESTA-L] Questions about Transiesta

2013-04-25 Por tôpico Akshu
Dear nick I have a question about one of your notes > 4) I also played with relaxation of the geometry of the SR. So I used several > CG steps to equilibrate the structure. I expected, > SIESTA first takes over and does the relaxation and then Transiesta > calculates the Gree's functions upon th

[SIESTA-L] non-integral spin polarisation

2013-01-24 Por tôpico akshu hans
Dear Siesta users If we get a non-integral value of Qup-Qdown (no of electrons with spin up - spin down), does this mean there is a problem with calculation parameters or pseudopotential?

[SIESTA-L] question for transiesta

2012-10-19 Por tôpico akshu hans
dear siesta usersi m working on transport properties of a nanotube. After the transiesta run, the forces on atoms are ~96 eV/Ang, though the system had been relaxed to <0.04 eV/Ang before. how to deal with this problem???RegardsAkshu

[SIESTA-L] forces in transiesta

2012-10-15 Por tôpico akshu hans
own to be ~96 eV/Ang. Is this correct? What role does geometry relaxation play in transport calculation? Regards Akshu Pahuja

[SIESTA-L] non linear core corrections

2012-04-30 Por tôpico akshu hans
dear siesta user, It has been mentioned at several places that the large overlap between core and valence orbitals can be corrected by a) semi core states b) non linear core corrections Then while generating pseudo for a transition element (gadolinium), if semi core states have been included, th

[SIESTA-L] variable cell

2011-05-19 Por tôpico akshu hans
Dear users when i try to relax the technetium unit cell using MD.VariableCell T, the forces on atoms relax to less the 0.04ev and stress tensor is close to zero but pressure is too large (100Kbar) and hence correct lattice parameter is not obtained. Where could the problem be...in pseudopotentia

[SIESTA-L] how to find bulk modulus for hexagonal cell

2011-05-12 Por tôpico akshu hans
--- On Thu, 5/12/11, akshu hans wrote: From: akshu hans Subject: [SIESTA-L] Posible SPAM: bulk modulus for hexagonal cell To: siesta-l@uam.es Date: Thursday, May 12, 2011, 1:31 AM dear siesta users i need to calculate the bulk modulus in order to test the pseudopotential for technetium. Tc

[SIESTA-L] Posible SPAM: bulk modulus for hexagonal cell

2011-05-11 Por tôpico akshu hans
dear siesta users i need to calculate the bulk modulus in order to test the pseudopotential for technetium. Tc is found in hexagonal structure, so along with varying the lattice constant, do i need to change 'c' as well? is it enough to use md.variable cell? how will i know that cell geometry re

[SIESTA-L] pseudopotential generation

2011-05-04 Por tôpico akshu hans
Hi! I have been trying to generate a GGA pseudo potential for technitium atom. I get an inconsistent behaviour in the log derivative for the channels l=1 and l=3, which are actually unoccupied.Should I change the occupancy of these channels (like putting an electron in 5p state gives better re

[SIESTA-L] incorrect value of binding energy

2010-04-21 Por tôpico akshu hans
I am trying to calculate the binding energy of a C60 molecule using siesta but the result obtained(4.4 ev) is quite less as compared to the experimental value (7.1 ev). Which parameters need to be changed to get more accurate results. I have used GGA potential from siesta database, DZP basis wit

[SIESTA-L]

2010-04-16 Por tôpico akshu hans
Hi siesta users Can anyone please tell me how to calculate electron affinity and ionisation potential for a molecule (fullerene) using siesta.

[SIESTA-L] pseudopotential for uranium

2010-04-01 Por tôpico akshu hans
Hi siesta users, Could someone please provide me with a pseudopotential for uranium.Do we need to use different basis sets for U & C while studying u...@c60 using siesta?

[SIESTA-L]

2010-02-01 Por tôpico akshu hans
Hi siesta users, I am a new siesta user trying to reproduce the band structure of a graphene sheet. but I am not being able to relax the coordinatesthe forces do not relax beyond 1 ev/Ang. The resulting band structure contains straight lines and doesnot show any dispersion. I am attaching my