On-line Utilities for SHARAKU

Polarized neutron reflectometer in MLF, J-PARC


Conversion between magnetic SLD and magnetic moment

Magnetic moment--->Magnetic Scattering Length Density SLDM
material Magnetic moment μB Mass density[g/cm3] Atomic weight[g/mol]   SLDM[10-4 nm-2]
Input here
Fe 2.2 7.874 55.845 5.034
Fe3Si 1.65 7.214 195.620 9.875
CoFe 1.66 8.63 57.4 4.051
NiFe 0.92 8.63 57.3 2.249


Magnetic Scattering Length Density SLDM--->Magnetic moment
material SLDM[10-4 nm-2] Mass density[g/cm3] Atomic weight[g/mol]   Magnetic moment μB
Input here
Fe 5.034 7.874 55.845 2.20
Fe3Si 9.875 7.214 195.620 1.65
CoFe 4.051 8.63 57.4 1.66
NiFe 2.249 8.63 57.3 0.92



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Conversion between mass and atomic number densities

Number density of atoms,Atomic Number Density dens[atom/Å3]
material Z (Z number) Vcell[Å]   dens [atom/Å3]
Input here
Fe 2 23.55 0.08492
FeSi2 1 37.25 0.02685
SiO2 3 92.90 0.03229
EuS 4 212.46 0.01883
Si 8 160.10 0.04997


dens [atom/Å3] --> Mass density[g/cm3]
material dens [atom/Å3] Atomic weight[g/mol]   Mass density[g/cm3]
Input here
Fe2O3 0.01976 159.69 5.24
Fe 0.08493 55.85 7.88
FeSi2 0.02685 112.02 4.99
SiO2 0.03229 60.08 3.22
EuS 0.01883 184.03 5.75
Si 0.04997 28.09 2.33

Jump to Conversion between magnetic SLD and magnetic moment

To Japanese.