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A temperature-dependent structural investigation of electrical transitions in A 3 conb 2 o 9 perovskites ( A = Ca 2+ , Sr 2+ , Ba 2+ )

Date

Authors

Ting, Valeska

Liu, Yun

Withers, Raymond

Publisher

Elsevier

Abstract

Upon heating, the 1:2 triple perovskites A3CoNb2O9 (A=Ca, Sr or Ba) each undergo well-defined insulator to conductor phase transitions at ∼8, ∼126 and ∼325 °C, respectively. As the trend in the transition temperatures for these materials does not c

Keywords

Keywords: Calcium compounds; Electric insulators; Heating; Neutron diffraction; Perovskite; Phase transitions; Thermal expansion; Amplitude muting; Electrical transitions; Neutron powder diffraction; Molecular structure Electrical transitions; Neutron powder diffraction; Perovskites

URI

http://hdl.handle.net/1885/19435

Collections

Open Access Research

Source

Physica B

Type

Journal article

DOI

10.1016/j.physb.2006.05.358

Restricted until

2037-12-31

Downloads

File

Description

01_Ting_A_temperature-dependent_2006.pdf (278.78 KB)