Oxygen nonstoichiometry, the defect equilibrium model and thermodynamic quantities of the Ruddlesden–Popper oxide Sr3Fe2O7−δ

Literature Information

Publication Date 2015-02-13
DOI 10.1039/C4CP05719H
Impact Factor 3.676
Authors

Yihan Ling, Fang Wang, Riyan Achmad Budiman, Takashi Nakamura, Koji Amezawa


View Original

Abstract

Oxygen nonstoichiometry of the Ruddlesden–Popper oxide Sr3Fe2O7−δ was measured at intermediate temperatures (773–1073 K) by coulometric titration and high temperature gravimetry. The oxygen nonstoichiometric behavior was analyzed using the defect equilibrium model with localized electrons. From the defect chemical analysis, estimated oxygen vacancy concentration at the O3 sites increases and at the O1 sites decreases with the increasing temperature. This characteristic behavior is considered to be caused by the redistribution of oxygen and vacancies between the O1 and O3 sites. The obtained thermodynamic quantities of the partial molar enthalpy of oxygen, , and the partial molar entropy of oxygen, , calculated from the Gibbs–Helmholtz equation are in good agreement with those from the statistical thermodynamic calculation based on the defect equilibrium model, indicating that the proposed defect equilibrium model is reasonable.

Related Literature

Decoupling the roles of carbon and metal oxides on the electrocatalytic reduction of oxygen on La1−xSrxCoO3−δ perovskite composite electrodes

Aleksandr A. Kurilovich, Jennette Saunders, Antoine Bonnefont, Sheng Dai, Keith J. Stevenson

2019-01-18 Paper

DOI: 10.1039/C8CP06268D

Inside back cover

Cover

DOI: 10.1039/C8CP91886D

Spectroscopic evidence for acid–base interaction driven interfacial segregation

Saranshu Singla, Michael C. Wilson, Ali Dhinojwala

2019-01-11 Paper

DOI: 10.1039/C8CP06963H

Inside front cover

Cover

DOI: 10.1039/C8CP91878C

Ultrafast unidirectional chiral rotation in the Z–E photoisomerization of two azoheteroarene photoswitches

Xiaojuan Pang, Chenwei Jiang, Yongnan Qi, Ling Yuan, Deping Hu, Xiuxing Zhang, Di Zhao, Dongdong Wang, Zhenggang Lan, Fuli Li

2018-09-18 Paper

DOI: 10.1039/C8CP04762F

Back cover

Cover

DOI: 10.1039/C9CP90030F

Heat transport in pristine and polycrystalline single-layer hexagonal boron nitride

Haikuan Dong, Petri Hirvonen

2018-09-13 Paper

DOI: 10.1039/C8CP05159C

You might also like

Compound Q&A

How should waste containing 4-Bromo-3-methyl-2-thiophenecarboxylic acid (CAS: 265652-39-9) be handled?

Waste containing 4-Bromo-3-methyl-2-thiophenecarboxylic acid (CAS: 265652-39-9) ...

265652-39-94-Bromo-3-methyl-2-t...
Compound Q&A

What industries use (2S,5S,2'S,5'S)-1,1'-(1,2-Ethanediyl)bis(2,5-dimethylphospholane) (CAS: 136779-26-5)?

(2S,5S,2'S,5'S)-1,1'-(1,2-Ethanediyl)bis(2,5-dimethylphospholane) is primarily u...

136779-26-5(2S,5S,2'S,5'S)-1,1'...
Compound Q&A

What industries use Ethyl 2-(2-bromo-5-fluorophenyl)acetate (CAS: 1214910-61-8)?

Ethyl 2-(2-bromo-5-fluorophenyl)acetate (CAS: 1214910-61-8) is used in the pharm...

1214910-61-8Ethyl 2-(2-bromo-5-f...
Compound Q&A

How is 4-Methyl-2-benzofuran-1,3-dione (CAS: 4792-30-7) typically synthesized?

4-Methyl-2-benzofuran-1,3-dione (CAS: 4792-30-7) can be synthesized through seve...

4792-30-74-Methyl-2-benzofura...
Compound Q&A

What industries use 4,6-Dichloroquinoline-3-carbonitrile (CAS: 936498-04-3)?

4,6-Dichloroquinoline-3-carbonitrile (CAS: 936498-04-3) is used in the pharmaceu...

936498-04-34,6-Dichloroquinolin...
Compound Q&A

What are the main uses of Chloro[tris(para-trifluoromethylphenyl)phosphine]gold(I) (CAS: 385815-83-8)?

Chloro[tris(para-trifluoromethylphenyl)phosphine]gold(I) is primarily used in or...

385815-83-8Chloro[tris(para-tri...
Compound Q&A

Is 2-Bromo-5-nitrofuran (CAS: 823-73-4) safe?

2-Bromo-5-nitrofuran (CAS: 823-73-4) is generally considered safe when handled w...

823-73-42-Bromo-5-nitrofuran
Compound Q&A

How should 5-Bromo-2,3,4-trifluorobenzoic acid (CAS: 212631-85-1) be stored?

5-Bromo-2,3,4-trifluorobenzoic acid should be stored in a cool, dry place away f...

212631-85-15-Bromo-2,3,4-triflu...
Compound Q&A

What are the main uses of Zinc bis(aminoacetate) (CAS: 7214-08-6)?

Zinc bis(aminoacetate) (CAS: 7214-08-6) is primarily used in the pharmaceutical ...

7214-08-6Zinc bis(aminoacetat...
Compound Q&A

How should Adamantan-1-ylmethanol (CAS: 770-71-8) be stored?

Adamantan-1-ylmethanol should be stored in a cool, dry, and well-ventilated plac...

770-71-8Adamantan-1-ylmethan...

Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

Recommended Compounds

Recommended Suppliers

Disclaimer
This page provides academic journal information for reference and research purposes only. We are not affiliated with any journal publishers and do not handle publication submissions. For publication-related inquiries, please contact the respective journal publishers directly.
If you notice any inaccuracies in the information displayed, please contact us at support@chemtradehub.com. We will promptly review and address your concerns.