Structural and magnetic variations in Ba0.5Sr0.5Fe9Ce1Al2O19 hexaferrites at different sintering temperatures
| Autor: | Fahim Ahmed, Muhammad Ahsan Raza, A. R. Makhdoom, Sana Ullah Asif, Mehrun Nisa, Muhammad Wasim Khan, Muhammad Ehsan Mazhar, Qasim Ali Ranjha, Komal Ali Rao, Binish Raza, Ubaid-ur-Rehman Ghori |
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| Rok vydání: | 2021 |
| Předmět: | |
| Zdroj: | Physica Scripta. 96:125865 |
| ISSN: | 1402-4896 0031-8949 |
| DOI: | 10.1088/1402-4896/ac3d4f |
| Popis: | M-type hexaferrites have attracted researchers due to their ordinary magnetic properties and utilization as media for magnetic recording and microwave devices. In this study, we have synthesized Ba0.5Sr0.5Fe9Ce1Al2O19 via a conventional ceramic route. The synthesized material is treated against different temperatures and investigated structurally and magnetically by using several techniques such as x-ray diffraction, Scanning electron microscopy, and VSM respectively. Morphology of samples confirms the absence of secondary phases and uniform distribution of particles. x-ray diffraction patterns confirm the formation of the pure phase of hexaferrites. Microstructural analyses show a decrease in porosity and dislocations among sintered samples. Magnetic properties for the samples show a decrease in Ms and Mr with increasing temperature from 1225 °C to 1310 °C, while coercivity shows an increase with increasing temperature and maximum coercivity is observed at 1290 °C. The trends and occurrences can be well-linked to the structural variations and sintering effects. The results suggest that material can be used in various magnetic applications such as Recording media, and memory devices. |
| Databáze: | OpenAIRE |
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