EPR of Mn2+-doped single crystals of [Co(H2O)6]XY6 (X = Si,Sn, Pt; Y = F,Cl) |
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| Institution: | 1. State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, People''s Republic of China;2. School of Engineering, Brown University, Providence, RI 02912, United States;3. Key Laboratory of Instrumentation Science and Dynamic Measurement, North University of China, Taiyuan 030051, People''s Republic of China;1. National Engineering Research Center of Electromagnetic Radiation Control Materials, University of Electronic Science and Technology of China, Chengdu 610054, People''s Republic of China;2. Key Laboratory of Multi-Spectral Absorbing Materials and Structures of Ministry of Education, University of Electronic Science and Technology of China, Chengdu 610054, People''s Republic of China;3. Institute of Electronic and Information Engineering of UESTC in Guangdong, Dongguan 523808, People''s Republic of China;1. Laboratory of General and Inorganic Chemistry, Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, 10000 Zagreb, Croatia;2. Laboratory of Physical Chemistry, Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, 10000 Zagreb, Croatia |
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| Abstract: | EPR studies have been carried out in Mn2+-doped paramagnetic single crystals of Co(H2O)6]SiF6, Co(H2O)6]SnF6 and Co(H2O)6]PtCl6 at different temperatures using X-band microwave frequency. Reasonably sharp resonance lines of Mn2+ have been obtained at room temperature and analysed using the spin Hamiltonian for trigonal symmetry. From the observed linewidths of Mn2 + in single-crystal Co(H2O)6]SiF6 the T1 of Co2 + has been estimated to be = 3.3 × 10−11 s. A st phase transition in Co(H2O)6]SiF6 was observed and the low-temperature phase studied. |
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