NanoPaleoMagnetism

A multiscale approach to paleomagnetic analysis of geological materials
 

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FCC packing of randomly oriented uniaxial magnetite particles

fcc 1x1x1 100 nm partial aligned

No of Particles: 4

Diameter: 100 nm

Separation of particles: 100 nm

Arrangement: FCC

Easy Axes: Partially aligned along z

Anisotropy: Uniaxial

Coercivity Distribution: Alpha = 0.5 Beta = 20

Simulation Type: LLG

Hc = 0.1 T, Hu =0.02 T, Step Size = 0.0012 T

No. FORCs = 100

No averaging steps: 1000

Lower branch removed: yes

Smoothing factor: 3, 3, 3, 3, 0, 0

 


fcc 4x4x4 400 nm spacing random

 

No of Particles: 256

Diameter: 100 nm

Separation of particles: 400 nm

Arrangement: FCC

Easy Axes: Random

Anisotropy: Uniaxial

Coercivity Distribution: Alpha = 0.5 Beta = 20

Simulation Type: LLG

Hc = 0.16 T, Hu =0.1 T, Step Size = 0.003 T

No. FORCs = 100

No averaging steps: 50

Lower branch removed: yes


fcc 4x4x4 200 nm spacing random

 

No of Particles: 256

Diameter: 100 nm

Separation of particles: 200 nm

Arrangement: FCC

Easy Axes: Random

Anisotropy: Uniaxial

Coercivity Distribution: Alpha = 0.5 Beta = 20

Simulation Type: LLG

Hc = 0.16 T, Hu =0.1 T, Step Size = 0.003 T

No. FORCs = 100

No averaging steps: 50

Lower branch removed: yes


fcc 4x4x4 130 nm spacing random

No of Particles: 256

Diameter: 100 nm

Separation of particles: 130 nm

Arrangement: FCC

Easy Axes: Random

Anisotropy: Uniaxial

Coercivity Distribution: Alpha = 0.5 Beta = 20

Simulation Type: LLG

Hc = 0.16 T, Hu =0.1 T, Step Size = 0.003 T

No. FORCs = 100

No averaging steps: 50

Lower branch removed: yes


fcc 4x4x4 120 nm spacing random

No of Particles: 256

Diameter: 100 nm

Separation of particles: 120 nm

Arrangement: FCC

Easy Axes: Random

Anisotropy: Uniaxial

Coercivity Distribution: Alpha = 0.5 Beta = 20

Simulation Type: LLG

Hc = 0.16 T, Hu =0.1 T, Step Size = 0.003 T

No. FORCs = 100

No averaging steps: 50

Lower branch removed: yes


fcc 4x4x4 110 nm spacing random

fcc 4x4x4 110 nm spacing random

No of Particles: 256

Diameter: 100 nm

Separation of particles: 110 nm

Arrangement: FCC

Easy Axes: Random

Anisotropy: Uniaxial

Coercivity Distribution: Alpha = 0.5 Beta = 20

Simulation Type: LLG

Hc = 0.16 T, Hu =0.1 T, Step Size = 0.003 T

No. FORCs = 100

No averaging steps: 50

Lower branch removed: yes


 

fcc 4x4x4 100 nm spacing random

fcc 4x4x4 100 nm spacing random

No of Particles: 256

Diameter: 100 nm

Separation of particles: 100 nm

Arrangement: FCC

Easy Axes: Random

Anisotropy: Uniaxial

Coercivity Distribution: Alpha = 0.5 Beta = 20

Simulation Type: LLG

Hc = 0.16 T, Hu =0.1 T, Step Size = 0.003 T

No. FORCs = 100

No averaging steps: 50

Lower branch removed: yes


 

fcc 4x4x4 120 nm spacing random low hc

fcc 4x4x4 120 nm spacing random low hc

No of Particles: 256

Diameter: 100 nm

Separation of particles: 120 nm

Arrangement: FCC

Easy Axes: Random

Anisotropy: Uniaxial

Coercivity Distribution: Alpha = 0.4 Beta = 40

Simulation Type: LLG

Hc = 0.1 T, Hu =0.15 T, Step Size = 0.003 T

No. FORCs = 100

No averaging steps: 50

Lower branch removed: yes


 

fcc 4x4x4 110 nm spacing random low hc

fcc 4x4x4 110 nm spacing random low hc

No of Particles: 256

Diameter: 100 nm

Separation of particles: 110 nm

Arrangement: FCC

Easy Axes: Random

Anisotropy: Uniaxial

Coercivity Distribution: Alpha = 0.4 Beta = 40

Simulation Type: LLG

Hc = 0.1 T, Hu =0.15 T, Step Size = 0.003 T

No. FORCs = 100

No averaging steps: 50

Lower branch removed: yes


 

fcc 4x4x4 100 nm spacing random low hc

fcc 4x4x4 100 nm spacing random low hc

No of Particles: 256

Diameter: 100 nm

Separation of particles: 100 nm

Arrangement: FCC

Easy Axes: Random

Anisotropy: Uniaxial

Coercivity Distribution: Alpha = 0.4 Beta = 40

Simulation Type: LLG

Hc = 0.1 T, Hu =0.15 T, Step Size = 0.003 T

No. FORCs = 100

No averaging steps: 50

Lower branch removed: yes

 

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