1. Department of Neutron Physics, Nuclear Physics Institute (NPI) of the Czech Academy of Sciences (CAS), Husinec-Rez, Czech Republic
2. MIFT Department, University of Messina, Messina, Italy
3. Centre of Instrumental Techniques, Institute of Inorganic Chemistry (IICH) of the Czech Academy of Sciences (CAS), Husinec-Rez, Czech Republic