Affiliation: | 1. Institute of Physics, Academia Sinica, Taipei, Taiwan.; 2. Yerevan Physics Institute, Yerevan, Armenia.; 3. Institute of Fine Organic Chemistry, Scientific-Technological Center of Organic and Pharmaceutical Chemistry, Yerevan, Armenia.; 4. Materials Research and Education Center, Auburn University, Auburn, Alabama, United States of America.; University of Akron, United States of America, |