Characterization of the intermediate-range order in new superionic conducting AgI-Ag2S-AgPO3 glasses by neutron diffraction

E. Kartini, S. J. Kennedy, Keiji Itoh, T. Fukunaga, S. Suminta, T. Kamiyama

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Superionic conducting glasses are of considerable technological interest because of their use in batteries, sensors, and displays. We have investigated the new ternary systems AgI-Ag2S-AgPO3 where the ratio AgI:Ag2S is 1:1. The system (AgI)x(Ag2S)x(AgPO3)1-2x, for a AgI+Ag2S fraction less than 82 mol%, yields glasses. We have used a neutron-diffraction technique to obtain the total scattering structure factor S(Q) of this system at room temperature by using the HIT spectrometer at the High Energy Accelerator (KEK), Tsukuba, Japan. As for AgI-AgPO3 glasses, S(Q) shows a peak at anomalously low Q in the range from 0.6 to 0.9 Å-1. This peak is not observed in the corresponding glass Ag2S-AgPO3 or pure AgPO3. The peak depends strongly on the dopant salt. Its intensity increases as the amount of (AgI+ Ag2S) increases and its position shifts to lower Q, while the number density of the glasses decreases with x. This peak can be associated with an intermediate structure of particles lying inside a continuous host with the characteristic length between 5 and 10 Å [1].

Original languageEnglish
JournalApplied Physics A: Materials Science and Processing
Volume74
Issue numberSUPPL.II
DOIs
Publication statusPublished - Dec 2002
Externally publishedYes

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Neutron diffraction
neutron diffraction
conduction
Glass
glass
Ternary systems
ternary systems
Particle accelerators
electric batteries
Spectrometers
Japan
accelerators
Salts
Display devices
Doping (additives)
Scattering
spectrometers
salts
shift
sensors

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy (miscellaneous)

Cite this

Characterization of the intermediate-range order in new superionic conducting AgI-Ag2S-AgPO3 glasses by neutron diffraction. / Kartini, E.; Kennedy, S. J.; Itoh, Keiji; Fukunaga, T.; Suminta, S.; Kamiyama, T.

In: Applied Physics A: Materials Science and Processing, Vol. 74, No. SUPPL.II, 12.2002.

Research output: Contribution to journalArticle

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