Organized by the Bulgarian Crystallographic Society,
Institute of Optical Materials and Technologies (IOMT) “Academician Jordan Malinovski”  and the IUCr Commission on Mathematical and Theoretical Crystallography

International Autumn School on Fundamental and Electron Crystallography (IASFEC)
8-13  October 2017 ,  Sofia, Bulgaria



Introduction to group theory: symmetry, symmetry groups, point groups, lattices, unit cells, lattices planes, Miller indices, forms, zones, zone axes, stereographic projections, metric tensor and crystallographic calculations, subgroups, group – subgroup relations, change of basis from group to subgroup,symmetry operations with a glide component, effect of screw axes, Gjonnes-Moodie lines;

Integral, zonal and serial diffraction conditions, indexing of ED patterns, calculation and simulation of SAED pattern for a given compound, reconstruction of the unit cell from SAED along different zone axes, analysis of CBED pattern, differences between the symmetry information from SAED and CBED, determination of point groups and space group from ED patterns, domains, effect of twinning, twin index, unit cell of the twin lattice, determination of space groups from ED patterns;



The official language of the Schools is English. No simultaneous interpretation will provided. However, local tutors will help the participants during the exercises.


The School will be held in the campus of the Bulgarian Academy of Sciences,  Sofia 1113, Bulgaria.

A link for the hotel of Bulgarian Academy of Sciences is provided here.

 View School location (larger map)

Chair of the Organizing Committee and contact person: Dr. Daniela Karashanova, Institute of Optical Materials and Technologies (IOMT) “Academician Jordan Malinovski”,


The registration is now closed 



Organised by the Bulgarian Crystallographic Association, the IUCr Commission on Mathematical and Theoretical Crystallography and sponsored by the "International Union of Crystallography" and the European Crystallographic Association