Hexagonal perovskite derivatives

a new direction in the design of oxide ion conducting materials

Sacha Fop (Corresponding Author), Kirstie S McCombie, Eve J Wildman, Janet M S Skakle, Abbie C. Mclaughlin (Corresponding Author)

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Various structural families have been reported to support oxide ion conductivity; among these, perovskite conductors have received particular attention. The perovskite structure is generally composed of a framework of corner-sharing octahedral units. When the octahedral units share their faces, hexagonal perovskites are formed. Mixed combinations of corner-sharing and face-sharing octahedral units can give rise to a variety of hexagonal perovskite derivatives. However, the ionic conducting properties of these materials have not been well explored. In this feature article, we review the conducting properties of the most significant hexagonal perovskite derivatives, with special focus on Ba3MM'O8.5. Ba3MM'O8.5 is the first hexagonal perovskite derivative to exhibit substantial oxide ion conductivity, and here we outline the structural features that are key for the oxide ion conduction within this system. The results demonstrate that further investigation of hexagonal perovskite derivatives could open up new directions in the design of oxide ion conductors.

Original languageEnglish
Pages (from-to)2127-2137
Number of pages11
JournalChemical Communications
Volume55
Issue number15
Early online date17 Jan 2019
DOIs
Publication statusPublished - 2019

Fingerprint

Perovskite
Oxides
Ions
Derivatives
perovskite
Direction compound

Keywords

  • CRYSTAL-STRUCTURE
  • PHASE-TRANSITIONS
  • CATIONIC VACANCIES
  • TRANSPORT
  • COORDINATION
  • TEMPERATURE
  • MECHANISMS
  • MIGRATION
  • HYDRATION
  • STACKING

Cite this

Hexagonal perovskite derivatives : a new direction in the design of oxide ion conducting materials. / Fop, Sacha (Corresponding Author); McCombie, Kirstie S; Wildman, Eve J; Skakle, Janet M S; Mclaughlin, Abbie C. (Corresponding Author).

In: Chemical Communications, Vol. 55, No. 15, 2019, p. 2127-2137.

Research output: Contribution to journalArticle

@article{1d6231f5cffc4928b92638afd405275c,
title = "Hexagonal perovskite derivatives: a new direction in the design of oxide ion conducting materials",
abstract = "Various structural families have been reported to support oxide ion conductivity; among these, perovskite conductors have received particular attention. The perovskite structure is generally composed of a framework of corner-sharing octahedral units. When the octahedral units share their faces, hexagonal perovskites are formed. Mixed combinations of corner-sharing and face-sharing octahedral units can give rise to a variety of hexagonal perovskite derivatives. However, the ionic conducting properties of these materials have not been well explored. In this feature article, we review the conducting properties of the most significant hexagonal perovskite derivatives, with special focus on Ba3MM'O8.5. Ba3MM'O8.5 is the first hexagonal perovskite derivative to exhibit substantial oxide ion conductivity, and here we outline the structural features that are key for the oxide ion conduction within this system. The results demonstrate that further investigation of hexagonal perovskite derivatives could open up new directions in the design of oxide ion conductors.",
keywords = "CRYSTAL-STRUCTURE, PHASE-TRANSITIONS, CATIONIC VACANCIES, TRANSPORT, COORDINATION, TEMPERATURE, MECHANISMS, MIGRATION, HYDRATION, STACKING",
author = "Sacha Fop and McCombie, {Kirstie S} and Wildman, {Eve J} and Skakle, {Janet M S} and Mclaughlin, {Abbie C.}",
note = "This research was supported by the Leverhulme Trust and the University of Aberdeen. We also acknowledge the UK Science and Technology Facilities Council (STFC) for provision of beamtime at ISIS and the ILL",
year = "2019",
doi = "10.1039/c8cc09534e",
language = "English",
volume = "55",
pages = "2127--2137",
journal = "Chemical Communications",
issn = "1359-7345",
publisher = "Royal Society of Chemistry",
number = "15",

}

TY - JOUR

T1 - Hexagonal perovskite derivatives

T2 - a new direction in the design of oxide ion conducting materials

AU - Fop, Sacha

AU - McCombie, Kirstie S

AU - Wildman, Eve J

AU - Skakle, Janet M S

AU - Mclaughlin, Abbie C.

N1 - This research was supported by the Leverhulme Trust and the University of Aberdeen. We also acknowledge the UK Science and Technology Facilities Council (STFC) for provision of beamtime at ISIS and the ILL

PY - 2019

Y1 - 2019

N2 - Various structural families have been reported to support oxide ion conductivity; among these, perovskite conductors have received particular attention. The perovskite structure is generally composed of a framework of corner-sharing octahedral units. When the octahedral units share their faces, hexagonal perovskites are formed. Mixed combinations of corner-sharing and face-sharing octahedral units can give rise to a variety of hexagonal perovskite derivatives. However, the ionic conducting properties of these materials have not been well explored. In this feature article, we review the conducting properties of the most significant hexagonal perovskite derivatives, with special focus on Ba3MM'O8.5. Ba3MM'O8.5 is the first hexagonal perovskite derivative to exhibit substantial oxide ion conductivity, and here we outline the structural features that are key for the oxide ion conduction within this system. The results demonstrate that further investigation of hexagonal perovskite derivatives could open up new directions in the design of oxide ion conductors.

AB - Various structural families have been reported to support oxide ion conductivity; among these, perovskite conductors have received particular attention. The perovskite structure is generally composed of a framework of corner-sharing octahedral units. When the octahedral units share their faces, hexagonal perovskites are formed. Mixed combinations of corner-sharing and face-sharing octahedral units can give rise to a variety of hexagonal perovskite derivatives. However, the ionic conducting properties of these materials have not been well explored. In this feature article, we review the conducting properties of the most significant hexagonal perovskite derivatives, with special focus on Ba3MM'O8.5. Ba3MM'O8.5 is the first hexagonal perovskite derivative to exhibit substantial oxide ion conductivity, and here we outline the structural features that are key for the oxide ion conduction within this system. The results demonstrate that further investigation of hexagonal perovskite derivatives could open up new directions in the design of oxide ion conductors.

KW - CRYSTAL-STRUCTURE

KW - PHASE-TRANSITIONS

KW - CATIONIC VACANCIES

KW - TRANSPORT

KW - COORDINATION

KW - TEMPERATURE

KW - MECHANISMS

KW - MIGRATION

KW - HYDRATION

KW - STACKING

UR - http://www.mendeley.com/research/hexagonal-perovskite-derivatives-new-direction-design-oxide-ion-conducting-materials

U2 - 10.1039/c8cc09534e

DO - 10.1039/c8cc09534e

M3 - Article

VL - 55

SP - 2127

EP - 2137

JO - Chemical Communications

JF - Chemical Communications

SN - 1359-7345

IS - 15

ER -