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Journals / Çukurova Üniversitesi Mühendislik Fakültesi dergisi / 2019 / Cilt: 34 Sayı: 1

The Investigation of Structural, Magnetic and Magnetocaloric Properties of (La0.9Er0.1)0.85K0.15MnO3 Manganite Compound

(La0.9Er0.1)0.85K0.15MnO3 Manganit Bileşiğinin Yapısal, Manyetik ve Manyetokalorik Özelliklerinin Araştırılması

Gönül AKÇA
Selda KILIÇ ÇETİN
Pages
139–144
Publication Date
2019-03-31
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Maximum magnetic entropy change (∆SMmax) of the sample has been calculated as 2.30 Jkg-1K-1 for magnetic field change of 5 T from isothermal magnetization curves.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, the structural, magnetic and magnetocaloric properties of the polycrystalline (La0.9Er0.1)0.85K0.15MnO3 manganite compound synthesized by sol-gel method have been studied.
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Key Findings & Data:X-ray diffraction measurement at room temperature shows that the sample crystallizes in rhombohedral structure.
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Conclusion & Impact:Maximum magnetic entropy change (∆SMmax) of the sample has been calculated as 2.30 Jkg-1K-1 for magnetic field change of 5 T from isothermal magnetization curves.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Manganit · Manyetokalorik etki · Manyetik soğutma

Abstract

In this study, the structural, magnetic and magnetocaloric properties of the polycrystalline (La0.9Er0.1)0.85K0.15MnO3 manganite compound synthesized by sol-gel method have been studied. X-ray diffraction measurement at room temperature shows that the sample crystallizes in rhombohedral structure. The temperature dependence of magnetization measurement reveals that the sample undergoes ferromagnetic-paramagnetic phase transition with increasing temperature. Maximum magnetic entropy change (∆SMmax) of the sample has been calculated as 2.30 Jkg-1K-1 for magnetic field change of 5 T from isothermal magnetization curves.

Özet

Bu çalışmada, sol-jel yöntemi ile sentezlenen polikristal (La0.9Er0.1)0.85K0.15MnO3 manganit bileşiğinin yapısal, manyetik ve manyetokalorik özellikleri çalışılmıştır. Oda sıcaklığında x-ışını kırınımı ölçümü, numunenin rhombohedral yapıda kristalleştiğini göstermektedir. Sıcaklığa bağlı manyetizasyon ölçümleri, artan sıcaklıkla numunenin ferromanyetik-paramanyetik faz geçişi sergilediğini göstermektedir. Numunenin maksimum manyetik entropi değişimi (∆SMmak.) izotermal mıknatıslanma eğrilerinden 5 T manyetik alan değişimi için 2.30 Jkg-1K-1 olarak hesaplanmıştır.

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Cite This Article

AKÇA, G., ÇETİN, S. K. (2019). The Investigation of Structural, Magnetic and Magnetocaloric Properties of (La0.9Er0.1)0.85K0.15MnO3 Manganite Compound. Çukurova Üniversitesi Mühendislik Fakültesi dergisi, Cilt: 34 Sayı: 1, 139–144. https://ajindex.com/articles/895285

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