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This is a support forum for Boris Computational Spintronics software:
https://boris-spintronics.uk/
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If you have any queries, bug reports, or development requests, please post them here.
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Joel Mascarenhas
Jun 24
Boris website down
Hello, I get this error when I try to download the software: Please let me know if this can be fixed
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Boris website down
Hello, I get this error when I try to download the software: Please let me know if this can be fixed
Jun 24
Aman Khosla
Jan 10
Two filed in a same stage
Dear Sir, i wont be enable to apply current and filed together at a time in single stage. ns.addstage
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Two filed in a same stage
Dear Sir, i wont be enable to apply current and filed together at a time in single stage. ns.addstage
Jan 10
Robert Ryans
, …
Subham Das
4
12/24/25
BorisCUDALib/Reduction.cuh(138): error: no instance of overloaded function "atomicAdd" matches the argument list
Hi, I successfully compiled Boris for CUDA 13.1 and the RTX 4070 Ti SUPER. However, I had to make
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BorisCUDALib/Reduction.cuh(138): error: no instance of overloaded function "atomicAdd" matches the argument list
Hi, I successfully compiled Boris for CUDA 13.1 and the RTX 4070 Ti SUPER. However, I had to make
12/24/25
Gabry C
12/17/25
How to set sub-nm cell sizes
Hello, I am trying to simulate a magnetic multilayers, like a synthetic ferrimagnet. This is the code
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How to set sub-nm cell sizes
Hello, I am trying to simulate a magnetic multilayers, like a synthetic ferrimagnet. This is the code
12/17/25
Krishnanjana P J
12/10/25
Defining laser in multilayer system
Hi all, I am trying to simulate laser pulses in a multilayer system. I am not sure how to do this
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Defining laser in multilayer system
Hi all, I am trying to simulate laser pulses in a multilayer system. I am not sure how to do this
12/10/25
Krishnanjana P J
12/3/25
Problems with relaxing the magnetic state
Dear all, I am currently doing some simulations on Pt/Co multilayers. I need to do a hysteresis, ie,
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Problems with relaxing the magnetic state
Dear all, I am currently doing some simulations on Pt/Co multilayers. I need to do a hysteresis, ie,
12/3/25
Nikita Lobanov
12/2/25
Tuning ABL Parameters
Hello everyone, Has anyone tried using ABL (Absorbing Boundary Layer) in Boris? I tried it for a
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Tuning ABL Parameters
Hello everyone, Has anyone tried using ABL (Absorbing Boundary Layer) in Boris? I tried it for a
12/2/25
Jack Martin
,
Serban Lepadatu
2
11/27/25
Empty meshes when CUDA is on
Hi Jack, I think you haven't compiled with the correct cuda arch value for your GPU. What GPU do
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Empty meshes when CUDA is on
Hi Jack, I think you haven't compiled with the correct cuda arch value for your GPU. What GPU do
11/27/25
Charlie Godfrey
10/31/25
Magnetoelastic interaction in an antiferromagnet with non-cubic symmetry
Is there a way to simulate an antiferromagnet with a trigonal magnetoelastic tensor? Trigonal has
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Magnetoelastic interaction in an antiferromagnet with non-cubic symmetry
Is there a way to simulate an antiferromagnet with a trigonal magnetoelastic tensor? Trigonal has
10/31/25
Sharma Dest
,
Serban Lepadatu
2
10/23/25
Customized initial magnetization configurations
Hi Sharma, This functionality is spread out over several files. The easiest way to track this would
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Customized initial magnetization configurations
Hi Sharma, This functionality is spread out over several files. The easiest way to track this would
10/23/25
Jack Martin
10/13/25
Image cropping
Hi, This seems a slightly trivial question to be asking here, but in working through the tutorials in
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Image cropping
Hi, This seems a slightly trivial question to be asking here, but in working through the tutorials in
10/13/25
Mohit Mithaliya
6/27/25
FMR field sweep for Synthetic Antiferromagnet (SAF) system
Hello Serban, I was working on FMR simulation on Boris and i have performed simulation for permalloy
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FMR field sweep for Synthetic Antiferromagnet (SAF) system
Hello Serban, I was working on FMR simulation on Boris and i have performed simulation for permalloy
6/27/25
Nikita Lobanov
6/5/25
nanA/m in calculation of spin wave dispersion
Hi Serban, I built a geometry consisting of two layers (a magnon crystal made of YIG and a heavy
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nanA/m in calculation of spin wave dispersion
Hi Serban, I built a geometry consisting of two layers (a magnon crystal made of YIG and a heavy
6/5/25
Arturo
,
Serban Lepadatu
2
5/19/25
Question about defining the surface normal vector in viDMExchange
Hi Mario, Technically it's possible to configure it in the way you describe, but physically I
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Question about defining the surface normal vector in viDMExchange
Hi Mario, Technically it's possible to configure it in the way you describe, but physically I
5/19/25
Suman Kumar Maharana
,
Serban Lepadatu
9
5/9/25
regarding frequency sweep FMR of multilayer structure "MTJ"
Hi, I suggest this is either because the time-step is too large (see my previous message), or at this
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regarding frequency sweep FMR of multilayer structure "MTJ"
Hi, I suggest this is either because the time-step is too large (see my previous message), or at this
5/9/25
Ayush Gupta
,
Serban Lepadatu
2
5/5/25
Relaxing an arbitrary shape
Hi, You are using a dynamic method to relax the magnetization, RK4, which is a fixed time-step method
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Relaxing an arbitrary shape
Hi, You are using a dynamic method to relax the magnetization, RK4, which is a fixed time-step method
5/5/25
Suman Kumar Maharana
,
Serban Lepadatu
3
5/5/25
Performing droplet soliton simulation
Hi Suman, You can do this by configuring electrodes and enabling the transport module. For an
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Performing droplet soliton simulation
Hi Suman, You can do this by configuring electrodes and enabling the transport module. For an
5/5/25
Ashwin George
,
Serban Lepadatu
5
4/30/25
Simulation instabilites
Hi Ashwin, You can attach a file here. I don't know what the problem is without running it. Kind
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Simulation instabilites
Hi Ashwin, You can attach a file here. I don't know what the problem is without running it. Kind
4/30/25
Charlinho
,
Serban Lepadatu
2
3/22/25
compilation error in ubuntu 24.04
Hi, It could be X11 is missing from your system or it's not configured in the export path in bash
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compilation error in ubuntu 24.04
Hi, It could be X11 is missing from your system or it's not configured in the export path in bash
3/22/25
Mohit Mithaliya
,
Serban Lepadatu
2
3/8/25
regarding spin wave dispersion in AFM
Hi Mohit, Please see Tutorial 31 on the two-sublattice model. It has a worked example for FMR in an
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regarding spin wave dispersion in AFM
Hi Mohit, Please see Tutorial 31 on the two-sublattice model. It has a worked example for FMR in an
3/8/25
Rishabh Verma
,
Serban Lepadatu
31
3/8/25
Field domain wall movement in permalloy
Hi Rishabh, See page 202 for the equations implemented in the DMexchange module. D_AFM is a two-value
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Field domain wall movement in permalloy
Hi Rishabh, See page 202 for the equations implemented in the DMexchange module. D_AFM is a two-value
3/8/25
Claudio Beck
,
Serban Lepadatu
2
2/23/25
Image storage with stage and magnetic field
Hi Claudio, There is an in-built formatting specifier which BORIS recognizes for any output file, eg
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Image storage with stage and magnetic field
Hi Claudio, There is an in-built formatting specifier which BORIS recognizes for any output file, eg
2/23/25
Aman Khosla
,
Serban Lepadatu
2
1/14/25
Rashba-Edelstein Effect in ISHE with BORIS?
Hi, No, this is not possible with the current version. I'll have a look to see how this could be
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Rashba-Edelstein Effect in ISHE with BORIS?
Hi, No, this is not possible with the current version. I'll have a look to see how this could be
1/14/25
Sharma Dest
,
Serban Lepadatu
4
12/3/24
Installation through the command line of Boris Lite in Ubuntu
Hi Sharma, Comment out or delete the nvcc line as it's only applicable to cuda. Hopefully
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Installation through the command line of Boris Lite in Ubuntu
Hi Sharma, Comment out or delete the nvcc line as it's only applicable to cuda. Hopefully
12/3/24
Mohit Mithaliya
,
Serban Lepadatu
2
11/22/24
regarding SAF field sweep FMR
Hi, You can use the FMR example script in Tutorial 20 to adapt it to a SAF structure. You can either
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regarding SAF field sweep FMR
Hi, You can use the FMR example script in Tutorial 20 to adapt it to a SAF structure. You can either
11/22/24
Zhiyu Zhang
,
Serban Lepadatu
8
11/7/24
No server found on port 1542
Yes, you need to have numpy and matplotlib installed in your Python environment. This will normally
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No server found on port 1542
Yes, you need to have numpy and matplotlib installed in your Python environment. This will normally
11/7/24
Ashwin George
,
Serban Lepadatu
2
11/7/24
Can't save custom damping profile because of timeout
Hi Ashwin, 'array' is not an option for setting a parameter spatial variation (see relevant
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Can't save custom damping profile because of timeout
Hi Ashwin, 'array' is not an option for setting a parameter spatial variation (see relevant
11/7/24
Nikita Lobanov
,
Serban Lepadatu
2
11/2/24
Spin-Wave Dispersion
Hi, I think the main problem is the cellsize and time-step are too large. For example in SSW_3.4.py
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Spin-Wave Dispersion
Hi, I think the main problem is the cellsize and time-step are too large. For example in SSW_3.4.py
11/2/24
Gabriel Monteiro de Castro
,
Serban Lepadatu
2
10/30/24
Solutions to the Exercices
Hi Gabriel, I can add the missing examples for the next version coming out soon. For now only the
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Solutions to the Exercices
Hi Gabriel, I can add the missing examples for the next version coming out soon. For now only the
10/30/24
Zhiyu Zhang
,
Serban Lepadatu
2
10/11/24
Using Multiple CPU Cores to Accelerate Boris Simulations on Linux
Hi Zhiyu, When GPU computations are not enabled/available, all available CPU cores are used by
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Using Multiple CPU Cores to Accelerate Boris Simulations on Linux
Hi Zhiyu, When GPU computations are not enabled/available, all available CPU cores are used by
10/11/24