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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/37164
Record Status
Checked
Record Id
37164
Title
Low energy vibrational excitations characteristic of superionic glass
Contributors
M Nakamura
,
H Iwase
,
M Arai
,
E Kartini
,
M Russina
,
T Yokoo
,
JW Taylor
Abstract
The mechanism of high ionic conductivity in superionic glass constitutes an unsolved problem in the field of science. Here we performed inelastic neutron scattering measurements of superionic glass system (AgI)(x)(Ag2S)(x)(AgPO3)(1-2x) by using MARI spectrometer at ISIS, and found that the Q-dependence of inelastic intensity in the energy region from I to 3 meV of superionic phase glass shows an excess intensity above Q = 1.8 angstrom(-1) compared with insulator phase. Similar phenomena were also observed in another superionic glass (AgI)(0.5)(AgPO3)(0.5) by using NEAT spectrometer at HMI with high resolution measurement. These results clearly suggest peculiar low energy vibrational excitations should be universal features of superionic glass. (c) 2006 Elsevier B.V. All rights reserved
Organisation
CCLRC
,
ISIS
,
ISIS-MARI
Keywords
DIFFRACTION
,
IONIC-CONDUCTION
,
AGI)(X)(AGPO3)(1-X)
,
ISIS 2006
Funding Information
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Licence Information:
Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Journal Article
Physica B
385 (2006): 554.
doi:10.1016/j.physb.2006.05.274
2006
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