Structure of new superionic glasses (CuI)x(AgPO3)1-x

E. Kartini, M. Arai, H. Iwase, T. Yokoo, Keiji Itoh, T. Kamiyama, S. Purnama

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

New superionic glasses (CuI)x(AgPO3)1-x with x = 0.1, 0.2 and 0.3 have been prepared by rapid quenching method. Neutron diffraction experiments have been performed by a HIT-II spectrometer at the Neutron Spallation Source, KEK, Japan. A small first diffraction peak at low Q around 0.8Å was observed in the structure factor for x = 0.2 and x = 0.3, but for x = 0.1 it shows only a shoulder that is similar to the undoped glass AgPO3. Three new peaks appear at the radial distribution function of (CuI)x(AgPO3)1-x at ∼ 1.9, 2.7 and 3.4Å, that may correspond to the Cu-O, Cu-I and Cu-Cu pair correlations, respectively. Those peaks increase with the amount of CuI. These results indicate that there are two different kinds of Cu atoms. Cu-I bond in the glass is very similar to that in crystalline α-CuI, and Cu-O bond is very similar to that in Cu2O insulating crystal.

Original languageEnglish
Pages (from-to)145-148
Number of pages4
JournalJournal of Neutron Research
Volume13
Issue number1-3
DOIs
Publication statusPublished - 2005
Externally publishedYes

Fingerprint

Glass
glass
Rapid quenching
Neutron sources
spallation
Neutron diffraction
shoulders
radial distribution
Distribution functions
neutron diffraction
Spectrometers
Japan
Diffraction
distribution functions
spectrometers
Crystalline materials
neutrons
Atoms
Crystals
diffraction

Keywords

  • Conductivity
  • CuI-AgPO
  • Neutron diffraction
  • Superionic glasses

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering

Cite this

Kartini, E., Arai, M., Iwase, H., Yokoo, T., Itoh, K., Kamiyama, T., & Purnama, S. (2005). Structure of new superionic glasses (CuI)x(AgPO3)1-x. Journal of Neutron Research, 13(1-3), 145-148. https://doi.org/10.1080/10238160412331299997

Structure of new superionic glasses (CuI)x(AgPO3)1-x. / Kartini, E.; Arai, M.; Iwase, H.; Yokoo, T.; Itoh, Keiji; Kamiyama, T.; Purnama, S.

In: Journal of Neutron Research, Vol. 13, No. 1-3, 2005, p. 145-148.

Research output: Contribution to journalArticle

Kartini, E, Arai, M, Iwase, H, Yokoo, T, Itoh, K, Kamiyama, T & Purnama, S 2005, 'Structure of new superionic glasses (CuI)x(AgPO3)1-x', Journal of Neutron Research, vol. 13, no. 1-3, pp. 145-148. https://doi.org/10.1080/10238160412331299997
Kartini, E. ; Arai, M. ; Iwase, H. ; Yokoo, T. ; Itoh, Keiji ; Kamiyama, T. ; Purnama, S. / Structure of new superionic glasses (CuI)x(AgPO3)1-x. In: Journal of Neutron Research. 2005 ; Vol. 13, No. 1-3. pp. 145-148.
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N2 - New superionic glasses (CuI)x(AgPO3)1-x with x = 0.1, 0.2 and 0.3 have been prepared by rapid quenching method. Neutron diffraction experiments have been performed by a HIT-II spectrometer at the Neutron Spallation Source, KEK, Japan. A small first diffraction peak at low Q around 0.8Å was observed in the structure factor for x = 0.2 and x = 0.3, but for x = 0.1 it shows only a shoulder that is similar to the undoped glass AgPO3. Three new peaks appear at the radial distribution function of (CuI)x(AgPO3)1-x at ∼ 1.9, 2.7 and 3.4Å, that may correspond to the Cu-O, Cu-I and Cu-Cu pair correlations, respectively. Those peaks increase with the amount of CuI. These results indicate that there are two different kinds of Cu atoms. Cu-I bond in the glass is very similar to that in crystalline α-CuI, and Cu-O bond is very similar to that in Cu2O insulating crystal.

AB - New superionic glasses (CuI)x(AgPO3)1-x with x = 0.1, 0.2 and 0.3 have been prepared by rapid quenching method. Neutron diffraction experiments have been performed by a HIT-II spectrometer at the Neutron Spallation Source, KEK, Japan. A small first diffraction peak at low Q around 0.8Å was observed in the structure factor for x = 0.2 and x = 0.3, but for x = 0.1 it shows only a shoulder that is similar to the undoped glass AgPO3. Three new peaks appear at the radial distribution function of (CuI)x(AgPO3)1-x at ∼ 1.9, 2.7 and 3.4Å, that may correspond to the Cu-O, Cu-I and Cu-Cu pair correlations, respectively. Those peaks increase with the amount of CuI. These results indicate that there are two different kinds of Cu atoms. Cu-I bond in the glass is very similar to that in crystalline α-CuI, and Cu-O bond is very similar to that in Cu2O insulating crystal.

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