Dependence of the conductivity of polycrystalline Li0.33Ba xLa0.56-2/3xTiO3 on Ba loading

Takashi Teranishi; Akane Kouchi; Hidetaka Hayashi; Akira Kishimoto

doi:10.1016/j.ssi.2014.05.001

Dependence of the conductivity of polycrystalline Li_0.33Ba _xLa_0.56-2/3xTiO₃ on Ba loading

Takashi Teranishi, Akane Kouchi, Hidetaka Hayashi, Akira Kishimoto

Research output: Contribution to journal › Article

10 Citations (Scopus)

Abstract

The dependence of lithium ion conductivity on barium loading was investigated for Li_0.33Ba_xLa_0.56-2/3xTiO ₃ (LBLT, 0 & x 0.1) ceramics. The highest bulk conductivity, σ_dc, of 1.24 × 10^{- 3} S cm^{- 1} obtained for 0.25 mol.% Ba loading was slightly improved compared to that of non-doped Li_0.33La_0.56TiO₃ (1.18 × 10^{- 3} S cm^{- 1}). The intensities of the XRD patterns in the independent cubic and tetragonal reflections, i.e., I_c(100) and I_t(101), were analyzed; a larger I_c(100)/I _t(101) ratio corresponded to a larger σ_dc. A possible reason for the only slight enhancement of the σ_dc by a small loading of Ba is an increased volume fraction of the more highly conductive LBLT cubic phase.

Original language	English
Pages (from-to)	33-38
Number of pages	6
Journal	Solid State Ionics
Volume	263
DOIs	https://doi.org/10.1016/j.ssi.2014.05.001
Publication status	Published - Oct 1 2014

Keywords

Ba loading
Complex conductivity
Li ion conductivity
Lithium lanthanum titanate

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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Teranishi, T., Kouchi, A., Hayashi, H., & Kishimoto, A. (2014). Dependence of the conductivity of polycrystalline Li_0.33Ba _xLa_0.56-2/3xTiO₃ on Ba loading. Solid State Ionics, 263, 33-38. https://doi.org/10.1016/j.ssi.2014.05.001

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title = "Dependence of the conductivity of polycrystalline Li0.33Ba xLa0.56-2/3xTiO3 on Ba loading",

abstract = "The dependence of lithium ion conductivity on barium loading was investigated for Li0.33BaxLa0.56-2/3xTiO 3 (LBLT, 0 & x 0.1) ceramics. The highest bulk conductivity, σdc, of 1.24 × 10- 3 S cm- 1 obtained for 0.25 mol.% Ba loading was slightly improved compared to that of non-doped Li0.33La0.56TiO3 (1.18 × 10- 3 S cm- 1). The intensities of the XRD patterns in the independent cubic and tetragonal reflections, i.e., Ic(100) and It(101), were analyzed; a larger Ic(100)/I t(101) ratio corresponded to a larger σdc. A possible reason for the only slight enhancement of the σdc by a small loading of Ba is an increased volume fraction of the more highly conductive LBLT cubic phase.",

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author = "Takashi Teranishi and Akane Kouchi and Hidetaka Hayashi and Akira Kishimoto",

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T1 - Dependence of the conductivity of polycrystalline Li0.33Ba xLa0.56-2/3xTiO3 on Ba loading

AU - Teranishi, Takashi

AU - Kouchi, Akane

AU - Hayashi, Hidetaka

AU - Kishimoto, Akira

PY - 2014/10/1

Y1 - 2014/10/1

N2 - The dependence of lithium ion conductivity on barium loading was investigated for Li0.33BaxLa0.56-2/3xTiO 3 (LBLT, 0 & x 0.1) ceramics. The highest bulk conductivity, σdc, of 1.24 × 10- 3 S cm- 1 obtained for 0.25 mol.% Ba loading was slightly improved compared to that of non-doped Li0.33La0.56TiO3 (1.18 × 10- 3 S cm- 1). The intensities of the XRD patterns in the independent cubic and tetragonal reflections, i.e., Ic(100) and It(101), were analyzed; a larger Ic(100)/I t(101) ratio corresponded to a larger σdc. A possible reason for the only slight enhancement of the σdc by a small loading of Ba is an increased volume fraction of the more highly conductive LBLT cubic phase.

AB - The dependence of lithium ion conductivity on barium loading was investigated for Li0.33BaxLa0.56-2/3xTiO 3 (LBLT, 0 & x 0.1) ceramics. The highest bulk conductivity, σdc, of 1.24 × 10- 3 S cm- 1 obtained for 0.25 mol.% Ba loading was slightly improved compared to that of non-doped Li0.33La0.56TiO3 (1.18 × 10- 3 S cm- 1). The intensities of the XRD patterns in the independent cubic and tetragonal reflections, i.e., Ic(100) and It(101), were analyzed; a larger Ic(100)/I t(101) ratio corresponded to a larger σdc. A possible reason for the only slight enhancement of the σdc by a small loading of Ba is an increased volume fraction of the more highly conductive LBLT cubic phase.

KW - Ba loading

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KW - Li ion conductivity

KW - Lithium lanthanum titanate

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