Electronic structure of the antiferromagnetic phase of Sr2 Co2 O5

Ab initio calculations analyze the properties of the G-type antiferromagnetic Sr2 Co2 O5 as a high-spin system. The description of the electronic structure is given; all the Co atoms are in a high-spin state with a small unquenched orbital angular momentum. Thermal analysis on a polycrystalline samp...

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Bibliographic Details
Authors: Pardo, Víctor, Botta, Pablo Martín, Baldomir, Daniel, Rivas, José, Piñeiro, Alberto, de la Calle, Cristina, Alonso, José A., Arias, Juan E.
Format: article
Status:Published version
Publication Date:2008
Country:Argentina
Institution:Consejo Nacional de Investigaciones Científicas y Técnicas
Repository:CONICET Digital (CONICET)
Language:English
OAI Identifier:oai:ri.conicet.gov.ar:11336/67567
Online Access:http://hdl.handle.net/11336/67567
Access Level:Open access
Keyword:Cobaltates
Differential Scanning Calorimetry
First-Principles Calculations
Oxygen Deficiency
https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
Description
Summary:Ab initio calculations analyze the properties of the G-type antiferromagnetic Sr2 Co2 O5 as a high-spin system. The description of the electronic structure is given; all the Co atoms are in a high-spin state with a small unquenched orbital angular momentum. Thermal analysis on a polycrystalline sample shows a magnetic phase transition at high temperatures.

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