全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

SEM Investigation of the Microstructure of Oxygen-Deficient Ca2FeGaO6-δ

DOI: 10.4236/msce.2025.131001, PP. 1-6

Keywords: XRD, Solid-State Reaction, Perovskite Oxides, Oxygen Deficiency, SEM

Full-Text   Cite this paper   Add to My Lib

Abstract:

This study presents a detailed investigation of the microstructure of the oxygen-deficient perovskite material Ca2FeGaO6-δ using Scanning Electron Microscopy (SEM). The material exhibits significant porosity and irregular grain morphology, with variations in grain size and growth. Unlike conventional perovskite structures, Ca2FeGaO6-δ shows non-uniform grain development, which can be attributed to the presence of oxygen vacancies (δ). SEM analysis reveals that the irregularities in grain size and shape, coupled with the porous nature of the material, are likely to influence its functional properties. These findings provide valuable insights into the structural features of Ca2FeGaO6-δ, offering a foundation for understanding its potential applications in catalysis, sensors, and other technologies. The study highlights the critical role of microstructural characteristics in determining the material’s performance.

References

[1]  Hona, R.K., Karki, S.B. and Ramezanipour, F. (2020) Oxide Electrocatalysts Based on Earth-Abundant Metals for Both Hydrogen-and Oxygen-Evolution Reactions. ACS Sustainable Chemistry & Engineering, 8, 11549-11557.
https://doi.org/10.1021/acssuschemeng.0c02498
[2]  Hona, R.K. and Ramezanipour, F. (2019) Remarkable Oxygen-Evolution Activity of a Perovskite Oxide from the Ca2-xSrxFe2O6-δ Series. Angewandte Chemie International Edition, 58, 2060-2063.
https://doi.org/10.1002/anie.201813000
[3]  Hona, R.K., Thapa, A.K. and Ramezanipour, F. (2020) An Anode Material for Lithium-Ion Batteries Based on Oxygen-Deficient Perovskite Sr2Fe2O6-δ. Chemistry Select, 5, 5706-5711.
https://doi.org/10.1002/slct.202000987
[4]  Li, Y., Kim, Y.N., Cheng, J., Alonso, J.A., Hu, Z., Chin, Y., et al. (2011) Oxygen-Deficient Perovskite Sr0.7Y0.3CoO2.65-δ as a Cathode for Intermediate-Temperature Solid Oxide Fuel Cells. Chemistry of Materials, 23, 5037-5044.
https://doi.org/10.1021/cm202542q
[5]  Klyndyuk, A.I., Chizhova, E.A., Kharytonau, D.S. and Medvedev, D.A. (2021) Layered Oxygen-Deficient Double Perovskites as Promising Cathode Materials for Solid Oxide Fuel Cells. Materials, 15, Article 141.
https://doi.org/10.3390/ma15010141
[6]  Hona, R.K., Huq, A. and Ramezanipour, F. (2019) Charge Transport Properties of Ca2FeGaO6-Δ and CaSrFeGaO6-Δ: The Effect of Defect-Order. Materials Chemistry and Physics, 238, Article 121924.
https://doi.org/10.1016/j.matchemphys.2019.121924
[7]  Larson, C.A. and Dreele, R.B.V. (1994) General Structure Analysis System (GSAS). Los Alamos National Laboratory Report LAUR.
[8]  Toby, B.H. (2001) EXPGUI, a Graphical User Interface for GSAS. Journal of Applied Crystallography, 34, 210-213.
https://doi.org/10.1107/s0021889801002242
[9]  Es-Soufi, H., Bih, H., Bih, L., Rajesh, R., Lima, A.R.F., Sayyed, M.I., et al. (2022) Rietveld Refinement, Structural Characterization, and Methylene Blue Adsorption of the New Compound Ba0.54Na0.46Nb1.29W0.37O5. Crystals, 12, Article 1695.
https://doi.org/10.3390/cryst12121695
[10]  Martinson, A., Guinn, M. and Hona, R.K. (2024) The Crystal Structure Study of CaSrFe0.75Co0.75Mn0.5O6-δ by Neutron Diffraction. Journal of Materials Science and Chemical Engineering, 12, 29-35.
[11]  Kultayeva, S., Ha, J., Malik, R., Kim, Y. and Kim, K.J. (2020) Effects of Porosity on Electrical and Thermal Conductivities of Porous Sic Ceramics. Journal of the European Ceramic Society, 40, 996-1004.
https://doi.org/10.1016/j.jeurceramsoc.2019.11.045

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133