BGMN has an impressive set of features which are not to be found in
this form in other Rietveld programs. The most important are:
- Fully automatic calculation which requires no user interaction
- best numerical algorithms specially designed for BGMN which guarantee an
extreme numerical stability
- physical based peak model which eliminates the refinement of peak
profile parameters (no more refinement of u, v, w)
- automated background refinement
- unlimited number of phases, parameters, measuring points etc.
- Automatic correction of strong and multiple preferred orientation
with spherical harmonics
- refinement of phyllosilicates with strong preferred orientation
- refinement of feldspars with multiple cleavage
- Common model for anisotropic peak broadening
- refinement of crystallite size with 1-2 parameters per phase; 6-7 in
anisotropic case
- refinement of microstrain with one parameter per phase; 6 in anisotropic
case
- Phase analysis of disordered layer silicates by implementation of
advanced real structure models (e.g. for kaolinite and chlorites)
- only one model for all chlorites
- succesful description of strong disordered kaolinite
- Correction of microabsorption with the Brindley model
- only the mean particle size has to be provided
- Easy-to-use model for refinement of site occupancy
- easy formulation for site occupancy refinement
- coupling of site occupancy factors with lattice constants possible
- Refinement of amorphous content with an internal standard
- Special features for structure investigation and refinement
- built in force field model to ensure optimal distances between the atoms
and to guarantee chain concatenation
- structure interpreter language for free definition of new parameters and
dependencies between parameters