Groups

Vampire Users

Contact owners and managers

1–30 of 813

This group is a forum for all users of the vampire atomistic simulation software package to discuss any issues related to running and compiling the software and future developments of the code, i.e. feature requests.

0 selected

Peela baradwaj naidu, … Richard Evans3

Apr 28

Temperature rescaling of Gilbert damping

Dear Peela, Just to add to the discussion, the intrinsic temperature-dependent damping (eg for the 50

unread,

Temperature rescaling of Gilbert damping

Dear Peela, Just to add to the discussion, the intrinsic temperature-dependent damping (eg for the 50

Apr 28

Tulshidas Darvade, gabo...@gmail.com2

Apr 19

Regarding calculation of Exchange constant using DFT

How to find the exchange values from DFT? For the DFT program VASP, it looks like the matrix of J

unread,

Regarding calculation of Exchange constant using DFT

How to find the exchange values from DFT? For the DFT program VASP, it looks like the matrix of J

Apr 19

Swaroop Panda, … gabo...@gmail.com6

Apr 18

Regarding lattice coordinate structure in v.5 and v.7

Hi Gavin, Many thanks for looking into this. Earlier my output was not showing commit c3e38ec; I have

unread,

Regarding lattice coordinate structure in v.5 and v.7

Hi Gavin, Many thanks for looking into this. Earlier my output was not showing commit c3e38ec; I have

Apr 18

Vinod Naik Bhukya

Apr 17

Time-varying parameters

Hi all, Is there a way can we apply time varying current/torque for STT simulations?

unread,

Time-varying parameters

Hi all, Is there a way can we apply time varying current/torque for STT simulations?

Apr 17

Vinod Naik Bhukya, gabo...@gmail.com4

Apr 17

sim:program=electrical-pulse

sorry my mistake to not write ns properly in my code. Thank you. gabo...@gmail.com 在 2026年4月18日星期六凌晨

unread,

sim:program=electrical-pulse

sorry my mistake to not write ns properly in my code. Thank you. gabo...@gmail.com 在 2026年4月18日星期六凌晨

Apr 17

Vinod Naik Bhukya, gabo...@gmail.com5

Apr 17

stopping simulation for dm/dt=0?

Thank you. I think it's not possible to stop when dm/dt=0 for time series. gabo...@gmail.com 在

unread,

stopping simulation for dm/dt=0?

Thank you. I think it's not possible to stop when dm/dt=0 for time series. gabo...@gmail.com 在

Apr 17

Peela baradwaj naidu

Apr 17

Preconditioning behaviour

Hello VAMPIRE users, I wanted to ask some additional info about sim:preconditioning-steps . I want to

unread,

Preconditioning behaviour

Hello VAMPIRE users, I wanted to ask some additional info about sim:preconditioning-steps . I want to

Apr 17

Vinod Naik Bhukya, gabo...@gmail.com2

Apr 17

How to know 'output' commands available for a module?

You would need to look at the interface.cpp files. For example, inferface.cpp for spintorque is:

unread,

How to know 'output' commands available for a module?

You would need to look at the interface.cpp files. For example, inferface.cpp for spintorque is:

Apr 17

Apr 16

Request for Help with CrSb Altermagnet Simulaition in Vampire

Hello Vampire users, I am currently working with the altermagnet CrSb and facing some difficulties in

unread,

Request for Help with CrSb Altermagnet Simulaition in Vampire

Hello Vampire users, I am currently working with the altermagnet CrSb and facing some difficulties in

Apr 16

Peela baradwaj naidu, Richard Evans5

Apr 16

Equilibration of system

Hi Richard, Thank You again for your suggestion and explanation, so far, I have implemented 0 K

unread,

Equilibration of system

Hi Richard, Thank You again for your suggestion and explanation, so far, I have implemented 0 K

Apr 16

Vinod Naik Bhukya, … Richard Evans5

Mar 28

Thank you so much Professor Richard and Gavin. I have installed CUDA version successfully. richard...

unread,

Thank you so much Professor Richard and Gavin. I have installed CUDA version successfully. richard...

Mar 28

Shipra Saini, gabo...@gmail.com2

Mar 25

I don't know what issue or error message from the program you are encountering. I'm providing

unread,

I don't know what issue or error message from the program you are encountering. I'm providing

Mar 25

Vinod Naik Bhukya, … gabo...@gmail.com5

Mar 20

Regarding Checkpoint

I believe you are referring to the past post at [1] that mentions uniaxial anisotropy direction. For

unread,

Regarding Checkpoint

I believe you are referring to the past post at [1] that mentions uniaxial anisotropy direction. For

Mar 20

Shipra Saini, … gabo...@gmail.com5

Mar 15

regarding test.data file

Thank you very much! It worked well On Sun, 15 Mar 2026 at 6:38 PM, gabo...@gmail.com <gabo13279@

unread,

regarding test.data file

Thank you very much! It worked well On Sun, 15 Mar 2026 at 6:38 PM, gabo...@gmail.com <gabo13279@

Mar 15

Tiago Silva, gabo...@gmail.com4

Mar 3

Material Indexing in UCF File

material[2]:unit-cell-category = 2 * correction Em terça-feira, 3 de março de 2026 às 08:22:47 UTC-3,

unread,

Material Indexing in UCF File

material[2]:unit-cell-category = 2 * correction Em terça-feira, 3 de março de 2026 às 08:22:47 UTC-3,

Mar 3

Tiago Silva, Richard Evans3

Mar 2

Custom geometry input for Vampire (pyramidal XYZ structure)

Thank you very much Dr. Evans. I was working on the UCF file, and in the end everything worked out. I

unread,

Custom geometry input for Vampire (pyramidal XYZ structure)

Thank you very much Dr. Evans. I was working on the UCF file, and in the end everything worked out. I

Mar 2

Rifqi Ardiyansyah, … gabo...@gmail.com46

Feb 13

Hysterisis loop

Thank you for your help so far, I am very grateful to you and everyone. Pada Senin, 09 Februari 2026

unread,

Hysterisis loop

Thank you for your help so far, I am very grateful to you and everyone. Pada Senin, 09 Februari 2026

Feb 13

bhat umar, gabo...@gmail.com2

Feb 9

Hysteresis of MnZnSb

One possible cause might be use of a low damping. A higher damping may be need for the hysteresis

unread,

Hysteresis of MnZnSb

One possible cause might be use of a low damping. A higher damping may be need for the hysteresis

Feb 9

J, gabo...@gmail.com2

Feb 2

Implementation of six-fold anisotropy.

Not sure how much it will help, but there is an article by JB Collings et al. titled "

unread,

Implementation of six-fold anisotropy.

Not sure how much it will help, but there is an article by JB Collings et al. titled "

Feb 2

Vinod Naik Bhukya, … Richard Evans8

Jan 26

Roughness-seed points and circular geometry-issues

Hi Vinod, all, Actually it looks like you are trying to do intermixing (diffusion between layers),

unread,

Roughness-seed points and circular geometry-issues

Hi Vinod, all, Actually it looks like you are trying to do intermixing (diffusion between layers),

Jan 26

Soufiane BARHOUMI, gabo...@gmail.com2

Jan 23

visualization using rasmol

Did you click on one of the Display options such as Ball & Stick? Maybe the example where

unread,

visualization using rasmol

Did you click on one of the Display options such as Ball & Stick? Maybe the example where

Jan 23

markusme...@gmail.com, … Richard Evans4

Jan 23

Bug in UCF & materials file parser in Vampire 7.0.0

Dear Peela, Richard, thank you very much for the clarification and the quick help! Just following the

unread,

Bug in UCF & materials file parser in Vampire 7.0.0

Dear Peela, Richard, thank you very much for the clarification and the quick help! Just following the

Jan 23

Peela baradwaj naidu

Jan 20

Help with magnetostatic parameters

Hello VAMPIRE Users, I need some help with magnetosatic parameters in my simulation. I am studying

unread,

Help with magnetostatic parameters

Hello VAMPIRE Users, I need some help with magnetosatic parameters in my simulation. I am studying

Jan 20

Tulshidas Darvade, gabo...@gmail.com2

Jan 20

how to calculated exchange interactions using DFT

TB2J [1] seems to be a popular choice because it can generate input files for VAMPIRE. It has it own

unread,

how to calculated exchange interactions using DFT

TB2J [1] seems to be a popular choice because it can generate input files for VAMPIRE. It has it own

Jan 20

Tulshidas Darvade, gabo...@gmail.com2

Jan 20

How to corelate experimental Tc and MH hystersis loop in CoFe2O4 and CoFe2-xAlO4

For getting started, there is the following. Curie temperature simulation tutorial: https://vampire.

unread,

How to corelate experimental Tc and MH hystersis loop in CoFe2O4 and CoFe2-xAlO4

For getting started, there is the following. Curie temperature simulation tutorial: https://vampire.

Jan 20

jbs.panag...@gmail.com, gabo...@gmail.com2

Jan 17

Missing Vampire 7.0 binary packages

I cannot help with the Ubuntu binary package on the website that in the prior 5.0 version provided

unread,

Missing Vampire 7.0 binary packages

I cannot help with the Ubuntu binary package on the website that in the prior 5.0 version provided

Jan 17

Debidutta Pradhan, gabo...@gmail.com2

Jan 17

Changing the element name giving same output

Hi, The material-name changes labeling in the output files and not the material's parameters. The

unread,

Changing the element name giving same output

Hi, The material-name changes labeling in the output files and not the material's parameters. The

Jan 17

SOMASUNDARAM P, gabo...@gmail.com2

Jan 10

Finding the system size

The VAMPIRE version 6.0 source code at [1] has: Line 139: // Set system dimensions !Angstroms Line

unread,

Finding the system size

The VAMPIRE version 6.0 source code at [1] has: Line 139: // Set system dimensions !Angstroms Line

Jan 10

Peela baradwaj naidu, gabo...@gmail.com3

Jan 5

Unstable magnetisation after equilibration

Thanks for the reply Gavin, I was under the impression that that the first part of the program where

unread,

Unstable magnetisation after equilibration

Thanks for the reply Gavin, I was under the impression that that the first part of the program where

Jan 5

Gavin Abo, Vinod Naik Bhukya3

Jan 4

Re: STT - keeping magnetic moment fixed for pinned layer

Adding the CoFeB interface would be an improvement on the simulation model to align to when

unread,

Re: STT - keeping magnetic moment fixed for pinned layer

Adding the CoFeB interface would be an improvement on the simulation model to align to when

Jan 4

Search

Clear search

Close search

Google apps

Main menu