1. Laboratory of Macrokinetics of Solid State Reactions, Institute of Chemical Physics NAS of Armenia, Yerevan 0014, Armenia
2. Notre Dame Integrated Imaging Facility, University of Notre Dame, Notre Dame, Indiana 46556, United States
3. Nuclear Science Laboratory, Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, United States
4. Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States