Perpendicular Magnetic Anisotropy Electric Field Modulation in Magnetron-Sputtered Pt/Co/X/MgO Ultrathin Structures With Chemically Tailored Top Interface

One R. A.; Mican S.; Mesaros A.; Gabor M.; Petrisor T. Jr.; Joldos M.; Buda-Prejbeanu L. D.; Tiusan C.

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Perpendicular Magnetic Anisotropy Electric Field Modulation in Magnetron-Sputtered Pt/Co/X/MgO Ultrathin Structures With Chemically Tailored Top Interface

机译：磁控溅射PT / CO / X / MgO超薄结构的垂直磁各向异性电场调制与化学定制的顶部界面

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Ab initio calculations of voltage-controlled perpendicular magnetic anisotropy predict that the adjunction of Pt at the top of Co/MgO interface in Pt/Co/MgO ultrathin structures would enhance the perpendicular anisotropy and its electric field (E-field) variation rate. Following these theoretical expectations, using the magnetron-sputtering technique, we first designed and elaborated magnetic multilayered samples which have subsequently been patterned by UV lithography in magnetotransport devices. The as-deposited samples show perpendicular magnetization configuration whose E-field modulation has been studied by anomalous Hall effect magnetometry experiments under applied E-field in patterned devices. The measured voltage anisotropy modulation effect is found to be asymmetric with respect to the E-field polarity, in qualitative agreement with theoretical predictions.

机译：AB Initio计算电压控制的垂直磁各向异性的计算预测，PT / CO / MGO超薄结构中CO / MGO接口顶部的PT的互动将增强垂直各向异性及其电场（E场）变化率。在这些理论期望之后，使用磁控溅射技术，我们首先设计和详细地设计的磁性多层样本，其随后通过磁通量术中的UV光刻图案化。沉积的样品显示垂直磁化构造，其通过在图案化器件中的应用E场下进行了异常霍尔效应磁力学实验研究了其E场调制。在与理论预测的定性协议中，发现测量的电压各向异性调制效果是关于电子场极性的不对称性。

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来源
《IEEE Transactions on Magnetics》 |2021年第6期|1-10|共10页
作者
One R. A.; Mican S.; Mesaros A.; Gabor M.; Petrisor T. Jr.; Joldos M.; Buda-Prejbeanu L. D.; Tiusan C.;
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作者单位

Babes Bolyai Univ Fac Phys Cluj Napoca 400084 Romania|Tech Univ Cluj Napoca Dept Phys & Chem Cluj Napoca 400114 Romania;

Babes Bolyai Univ Fac Phys Cluj Napoca 400084 Romania;

Tech Univ Cluj Napoca Dept Phys & Chem Cluj Napoca 400114 Romania;

Tech Univ Cluj Napoca Dept Phys & Chem Cluj Napoca 400114 Romania;

Tech Univ Cluj Napoca Dept Phys & Chem Cluj Napoca 400114 Romania;

Tech Univ Cluj Napoca Dept Phys & Chem Cluj Napoca 400114 Romania;

Univ Grenoble Alpes CEA CNRS Grenoble INP SPINTEC F-38000 Grenoble France;

Babes Bolyai Univ Fac Phys Cluj Napoca 400084 Romania|Tech Univ Cluj Napoca Dept Phys & Chem Cluj Napoca 400114 Romania|Natl Ctr Sci Res CNRS F-54519 Vandoeuvre Les Nancy France;

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正文语种 eng
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Interface engineering; magnetic random-access memory (MRAM); perpendicular magnetic anisotropy (PMA); spintronics; voltage-controlled magnetic anisotropy (VCMA);

机译：界面工程;磁随机存取存储器（MRAM）;垂直磁各向异性（PMA）;闪蒸;电压控制磁各向异性（VCMA）;

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1. Electric field modulation of magnetic anisotropy in perpendicularly magnetized Pt/Co structure with a Pd top layer (vol 8, 113002, 2015) [J] . Hibino Yuki, Koyama Tomohiro, Obinata Aya, Applied physics express . 2017,第5期

机译：具有Pd顶层的垂直磁化Pt / Co结构中的磁各向异性的电场调制（vol 8，113002，2015）
2. Electric field modulation of magnetic anisotropy in perpendicularly magnetized Pt/Co structure with a Pd top layer [J] . Yuki Hibino, Tomohiro Koyama, Aya Obinata, Applied physics express . 2015,第11期

机译：具有Pd顶层的垂直磁化Pt / Co结构中的磁各向异性的电场调制
3. A Comprehensive Study of Sign Change in Electric Field Control Perpendicular Magnetic Anisotropy Energy at Fe/MgO Interface: First Principles Calculation [J] . Pardede Indra, Kanagawa Tomosato, Ikhsan Nurul, IEEE Transactions on Magnetics . 2019,第2期

机译：Fe / MgO界面电场控制垂直磁各向异性能符号变化的综合研究：第一性原理计算
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机译：Fe / 3d-过渡金属氧化物/ MgO在外部电场中的界面磁结构和磁晶各向异性
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机译：界面对于铁/ ter和铁/ ga多层膜的垂直磁各向异性的作用。
6. Enhancement of perpendicular magnetic anisotropy and its electric field-induced change through interface engineering in Cr/Fe/MgO [O] . A. Kozioł-Rachwał, T. Nozaki, K. Freindl, -1

机译：通过Cr / Fe / MgO中的界面工程增强垂直磁各向异性及其电场引起的变化
7. Interdiffusion in epitaxial ultrathin Co2FeAl/MgO heterostructures with interface-induced perpendicular magnetic anisotropy [O] . Wen, Zhenchao, Hadorn, Jason Paul, Okabayashi, Jun, 2016

机译：外延超薄Co2Feal / mgO异质结构的相互扩散界面诱导的垂直磁各向异性
8. Perpendicular Magnetic Anisotropy in Ultrathin Co/Ni Multilayer Films Studies with Ferromagnetic Resonance and Magnetic X-Ray Microspectroscopy. [R] . Macia, F., Warnicke, P., Bedau, D., 2012

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Perpendicular Magnetic Anisotropy Electric Field Modulation in Magnetron-Sputtered Pt/Co/X/MgO Ultrathin Structures With Chemically Tailored Top Interface

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