Mlayer parameters
NcL Enter number of layers for region c (between 1 and 9).
Set c to T for top, M for middle and B for bottom.
AcL Add a layer between existing layers in a region.
Set c to T for top, M for middle and B for bottom.
RcL Remove a layer between existing layers.
Set c to T for top, M for middle and B for bottom.
CL Copy parameters from one layer in any region to another layer in
any region.
NMR Enter the number of repeats of the middle region to make a
superlattice. Note: the bottom of the top region and the top of
the bottom region must each be set to one repeat if NMR is
greater than 1 for the profile to be constructed correctly.
NP Enter number of data points (automatically done by GD).
NR Enter number of layers used to simulate rough interface (greater
than 2).
PR Enter profile shape for simulated roughness.
QL Enter Q limits of data set (automatically done by GD).
BI Enter intensity of incident beam (multiplies calculated
reflectivity to give count rate).
BK Enter constant background intensity added to calculated
intensity.
DL Enter the wavelength divergence of the incident beam (in
Angstroms) to be used in the resolution convolution.
DT Enter the angular divergence of the incident beam (in radians)
to be used in the resolution convolution.
VMU
MUV Enter the length absorption coefficient of the vacuum.
VQC
QCV Enter critical Q squared of the vacuum.
VQM
QMV Enter magnetic critical Q squared of the vacuum.
WL Enter wavelength of incident radiation.
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