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A new solid solution series linking LiTi2O4 and Li2Ti3O7 ramsdellites: a combined X-ray and neutron study

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A new solid solution series linking LiTi2O4 and Li2Ti3O7 ramsdellites: a combined X-ray and neutron study. / Gover, Richard KB; Irvine, John Thomas Sirr.

In: Journal of Solid State Chemistry, Vol. 141, 12.1998, p. 365.

Research output: Contribution to journalArticle

Harvard

Gover, RKB & Irvine, JTS 1998, 'A new solid solution series linking LiTi2O4 and Li2Ti3O7 ramsdellites: a combined X-ray and neutron study', Journal of Solid State Chemistry, vol. 141, pp. 365.

APA

Gover, R. KB., & Irvine, J. T. S. (1998). A new solid solution series linking LiTi2O4 and Li2Ti3O7 ramsdellites: a combined X-ray and neutron study. Journal of Solid State Chemistry, 141, 365.

Vancouver

Gover RKB, Irvine JTS. A new solid solution series linking LiTi2O4 and Li2Ti3O7 ramsdellites: a combined X-ray and neutron study. Journal of Solid State Chemistry. 1998 Dec;141:365.

Author

Gover, Richard KB ; Irvine, John Thomas Sirr. / A new solid solution series linking LiTi2O4 and Li2Ti3O7 ramsdellites: a combined X-ray and neutron study. In: Journal of Solid State Chemistry. 1998 ; Vol. 141. pp. 365.

Bibtex - Download

@article{5d25b932097b4172bc85eaca710fdacd,
title = "A new solid solution series linking LiTi2O4 and Li2Ti3O7 ramsdellites: a combined X-ray and neutron study",
abstract = "We report the discovery of a new solid solution linking the LiTi2O4 and Li2Ti3O7 ramsdellite phases. The solid solution system is Li1+xTi2-2xO4 (0 less than or equal to x less than or equal to 0.143), where Li2Ti3O7 can be written as Li1.143Ti1.714O4. Combined Rietveld refinement of X-ray and neutron diffraction data sets has been used to determine the structure of various members of this solid solution. Unit-cell dimensions were seen to decrease as the Li content increased, in accord with the expected decrease in ionic size of Ti on oxidation, The Li channel and framework occupancy was seen to follow a simple substitutional mechanism; for every two titanium atoms in the framework that are replaced by lithium atoms, one lithium is lost from the channel sites, introducing a channel vacancy site, The lithium temperature factors were seen to increase over a composition range from x = 0 to x = 0.143, This is probably related to the increased number of channel vacancies, No evidence was observed for the splitting of the Li channel sites, even for the x = 0.143 end member. (C) 1998 Academic Press.",
keywords = "CRYSTAL-STRUCTURE, IONIC-CONDUCTIVITY, DIFFRACTION, TRANSITION, LI0.5TIO2, SYSTEM",
author = "Gover, {Richard KB} and Irvine, {John Thomas Sirr}",
year = "1998",
month = "12",
language = "English",
volume = "141",
pages = "365",
journal = "Journal of Solid State Chemistry",
issn = "0022-4596",
publisher = "Academic Press Inc.",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - A new solid solution series linking LiTi2O4 and Li2Ti3O7 ramsdellites: a combined X-ray and neutron study

AU - Gover, Richard KB

AU - Irvine, John Thomas Sirr

PY - 1998/12

Y1 - 1998/12

N2 - We report the discovery of a new solid solution linking the LiTi2O4 and Li2Ti3O7 ramsdellite phases. The solid solution system is Li1+xTi2-2xO4 (0 less than or equal to x less than or equal to 0.143), where Li2Ti3O7 can be written as Li1.143Ti1.714O4. Combined Rietveld refinement of X-ray and neutron diffraction data sets has been used to determine the structure of various members of this solid solution. Unit-cell dimensions were seen to decrease as the Li content increased, in accord with the expected decrease in ionic size of Ti on oxidation, The Li channel and framework occupancy was seen to follow a simple substitutional mechanism; for every two titanium atoms in the framework that are replaced by lithium atoms, one lithium is lost from the channel sites, introducing a channel vacancy site, The lithium temperature factors were seen to increase over a composition range from x = 0 to x = 0.143, This is probably related to the increased number of channel vacancies, No evidence was observed for the splitting of the Li channel sites, even for the x = 0.143 end member. (C) 1998 Academic Press.

AB - We report the discovery of a new solid solution linking the LiTi2O4 and Li2Ti3O7 ramsdellite phases. The solid solution system is Li1+xTi2-2xO4 (0 less than or equal to x less than or equal to 0.143), where Li2Ti3O7 can be written as Li1.143Ti1.714O4. Combined Rietveld refinement of X-ray and neutron diffraction data sets has been used to determine the structure of various members of this solid solution. Unit-cell dimensions were seen to decrease as the Li content increased, in accord with the expected decrease in ionic size of Ti on oxidation, The Li channel and framework occupancy was seen to follow a simple substitutional mechanism; for every two titanium atoms in the framework that are replaced by lithium atoms, one lithium is lost from the channel sites, introducing a channel vacancy site, The lithium temperature factors were seen to increase over a composition range from x = 0 to x = 0.143, This is probably related to the increased number of channel vacancies, No evidence was observed for the splitting of the Li channel sites, even for the x = 0.143 end member. (C) 1998 Academic Press.

KW - CRYSTAL-STRUCTURE

KW - IONIC-CONDUCTIVITY

KW - DIFFRACTION

KW - TRANSITION

KW - LI0.5TIO2

KW - SYSTEM

M3 - Article

VL - 141

SP - 365

JO - Journal of Solid State Chemistry

JF - Journal of Solid State Chemistry

SN - 0022-4596

ER -

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