LaCoO$_3$中的铁磁性。晶体结构、形貌与磁性能的关系

IF 3.3 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Dalton Transactions Pub Date : 2025-02-04 DOI:10.1039/D4DT03135K

Yuri S. Orlov, Vyacheslav A. Dudnikov, Sergey N. Vereshchagin, Yuri N. Ustyuzhanin, Sergey V. Nikolaev, Sergey M. Zharkov, Mikhail N. Volochaev, Galina M. Zeer, Sergey Yu. Gavrilkin, Alexey Yu. Tsvetkov and Sergey G. Ovchinnikov

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引用次数: 0

摘要

已知在弱磁场中($H <；1$~kOe) at $T <；T_C \约为87$~K，稀土氧化钴LaCoO$_3$具有铁磁性。LaCoO$_3$中铁磁性产生的物理机制尚不清楚。我们提供了铁磁性和晶格互连的实验证据——铁磁性有序的原因是近表面（缺陷）结构应力。提出了一个理论模型，并在此框架内讨论了LaCoO$_3$中磁有序态的产生机理。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Ferromagnetism in LaCoO3: relationship between the crystal structure, morphology and magnetic properties

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Ferromagnetism in LaCoO3: relationship between the crystal structure, morphology and magnetic properties

It is known that in a weak magnetic field (H < 1 kOe) at T < T_C ≈ 87 K, rare-earth cobalt oxide LaCoO₃ has ferromagnetic properties. The physical mechanism of the emergence of ferromagnetism in LaCoO₃ still remains unclear. We provided experimental evidence of the ferromagnetism and crystal lattice interconnection – the cause of ferromagnetic ordering is near-surface (defects) structural stresses. A theoretical model is proposed, within the framework of which the mechanism of the emergence of the magnetically ordered state in LaCoO₃ is discussed.

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来源期刊

Dalton Transactions 化学-无机化学与核化学

CiteScore

6.60

自引率

7.50%

发文量

1832

审稿时长

1.5 months

期刊介绍： Dalton Transactions is a journal for all areas of inorganic chemistry, which encompasses the organometallic, bioinorganic and materials chemistry of the elements, with applications including synthesis, catalysis, energy conversion/storage, electrical devices and medicine. Dalton Transactions welcomes high-quality, original submissions in all of these areas and more, where the advancement of knowledge in inorganic chemistry is significant.