Particle/Thin Film Model

EPMA Probe

Particle/Thin Film Model

The geometric particle and thin film models are:

Thin Film or Thick Polished Section (unsupported film or no substrate)

Rectangular Prism (flat top and flat sides or cube)          - sides orthogonal to spectrometer axis

Tetragonal Prism (flat top and curved sides)                            - sides 45 degrees to spectrometer axis

Trigonal Prism (curved top and flat sides or fiber)           - long axis perpendicular to spectrometer

Square Pyramid (curved top and curved sides or sphere)

Backscatter-Modified Rectangular Prism (modified rectangular prism)

 

Note that the last model is the same as the previous "Rectangular Prism" model with a modified electron side-scattering correction.

 

Note that particle and thin film calculations are limited to the following standard Phi-Rho-Z correction methods:

          Select Individual Corrections                    (use with caution)

Armstrong/Love Scott (default)

Packwood Phi(pz) (EPQ-91)

Bastin (original) Phi(pz)

Bastin PROZA Phi(pz) (EPQ-91)

 

Note also that if using "Select Individual Corrections", only the following absorption corrections are allowed:

Phi(pz) Absorption of Packwood-Brown 1982/XRS Alpha

Phi(pz) Absorption of Bastin 1984/XRS Alpha

Phi(pz) Absorption of Armstrong/Packwood-Brown 1981 MAS

Phi(pz) Absorption of Bastin 1986/Scanning

Phi(pz) Absorption of Riveros 1987/XRS

Phi(pz) Absorption of Packwood (New)

Phi(pz) Absorption of Bastin Proza (EPQ-91)