Synthesis, Magnetic Properties, and Modeling of Magnetization Reversal of an Artificial Antiferromagnet Based on L10-PdFe

IF 0.48 Q4 Physics and Astronomy
M. V. Pasynkov, I. V. Yanilkin, A. I. Gumarov, A. V. Petrov, L. R. Tagirov, R. V. Yusupov
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引用次数: 0

Abstract

The static magnetic properties were experimentally studied and magnetization reversal was modeled in an epitaxial thin film of the L10 phase of the PdFe compound and the PdFe/W/PdFe heterostructure on MgO (001) substrates. It was shown that the PdFe/W/PdFe heteroepitaxial structure at an α-W layer thickness of ∼0.7 nm is an artificial antiferromagnet with perpendicular magnetic anisotropy and an exchange integral of \(J \simeq 1.7 \times {{10}^{{ - 3}}}\,\,{\text{J/}}{{{\text{m}}}^{2}}\). Micromagnetic modeling of the equilibrium domain structure and its evolution in an external magnetic field made it possible to satisfactorily describe the magnetization reversal curve of the studied thin-film heterostructure.

Abstract Image

Abstract Image

基于 L10-PdFe 的人工反铁磁体的合成、磁性和磁化反转建模
摘要 对氧化镁(001)基底上的钯铁化合物 L10 相外延薄膜和钯铁/W/钯铁异质结构的静磁特性进行了实验研究,并建立了磁化反转模型。研究表明,α-W层厚度为0.7 nm的PdFe/W/PdFe异质外延结构是一种具有垂直磁各向异性的人工反铁磁体,其交换积分为\(J \simeq 1.7 \times {{10}^{{ - 3}}},{text{J/}}{{{text{m}}}^{2}}\)。对平衡畴结构及其在外加磁场中的演变进行微磁建模,可以令人满意地描述所研究的薄膜异质结构的磁化反转曲线。
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来源期刊
Bulletin of the Russian Academy of Sciences: Physics
Bulletin of the Russian Academy of Sciences: Physics Physics and Astronomy-Physics and Astronomy (all)
CiteScore
0.90
自引率
0.00%
发文量
251
期刊介绍: Bulletin of the Russian Academy of Sciences: Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It presents full-text articles (regular,  letters  to  the editor, reviews) with the most recent results in miscellaneous fields of physics and astronomy: nuclear physics, cosmic rays, condensed matter physics, plasma physics, optics and photonics, nanotechnologies, solar and astrophysics, physical applications in material sciences, life sciences, etc. Bulletin of the Russian Academy of Sciences: Physics  focuses on the most relevant multidisciplinary topics in natural sciences, both fundamental and applied. Manuscripts can be submitted in Russian and English languages and are subject to peer review. Accepted articles are usually combined in thematic issues on certain topics according to the journal editorial policy. Authors featured in the journal represent renowned scientific laboratories and institutes from different countries, including large international collaborations. There are globally recognized researchers among the authors: Nobel laureates and recipients of other awards, and members of national academies of sciences and international scientific societies.
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