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Dielectric and NMR Studies of the superionic conductor AgI embedded in mesoporous silicate matrices |
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| Authors: | S V Baryshnikov Cheng Tien E V Charnaya M K Lee D Michel W Böhlmann N P Andriyanova |
| Institution: | 1.Blagoveshchensk State Pedagogical University,Blagoveshchensk, Amyrskaya obtast,Russia;2.Department of Physics,National Cheng Kung University,Tainan,ROC;3.Center for Micro/Nano Science of Technology,National Cheng Kung University,Tainan,ROC;4.Fock Institute of Physics,St. Petersburg State University,St. Petersburg, Petrodvorets,Russia;5.Faculty of Physics and Geosciences,University of Leipzig,Leipzig,Germany |
| Abstract: | This paper reports on the results of studies of small particles of the superionic conductor AgI embedded in MCM-41 and SBA-15 molecular sieves with different sizes of pores (channels). The studies are performed by the dielectric and nuclear magnetic resonance techniques. The temperature of the superionic phase transition is shown to increase monotonically with decreasing pore size. The enthalpy of activation of the ion motion in β-AgI in restricted geometry is determined. It is shown that introduction of AgI into pores does not noticeably affect its structure. |
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