Slater-Pauling behavior of interfacial magnetic properties of 3d transition metal alloy/Pt structures

被引：5

作者：

Kim, Nam-Hui ^{[1
,8
]}

Qurat-ul-ain ^{[2
]}

Kim, Joonwoo ^{[3
]}

Baek, Eunchong ^{[1
]}

Kim, June-Seo ^{[3
]}

Park, Hyeon-Jong ^{[4
]}

Kohno, Hiroshi ^{[5
]}

Lee, Kyung-Jin ^{[6
]}

Rhim, Sonny H. ^{[2
]}

Lee, Hyun-Woo ^{[7
]}

You, Chun-Yeol ^{[1
]}

机构：

[1] DGIST, Dept Emerging Mat Sci, Daegu 42988, South Korea

[2] Univ Ulsan, Dept Phys, Ulsan 44610, South Korea

[3] DGIST, Div Nanotechnol, Daegu 42988, South Korea

[4] Korea Univ, KU KIST Grad Sch Converging Sci & Technol, Seoul 02841, South Korea

[5] Nagoya Univ, Dept Phys, Nagoya, Aichi 4648602, Japan

[6] Korea Adv Inst Sci & Technol, Dept Phys, Daejeon 34141, South Korea

[7] Pohang Univ Sci & Technol, Dept Phys, Pohang 37673, South Korea

[8] Samsung Elect Ltd, Semicond R&D Ctr, Memory Proc Dev Team, Gyeonggi Do 18448, South Korea

来源：

PHYSICAL REVIEW B | 2022年 / 105卷 / 06期

基金：

新加坡国家研究基金会;

关键词：

ELECTRONIC-STRUCTURE; ANISOTROPY; SKYRMIONS; STABILITY; MOLECULES; EXCHANGE; SURFACES; MOMENT;

D O I：

10.1103/PhysRevB.105.064403

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ferromagnet (FM)/heavy metal (HM) bilayers are core structures for current-induced magnetization switching and chiral magnetic structure generation. Static and dynamic properties of the FM moment depend substantially on interfacial perpendicular magnetic anisotropy (iPMA) and interfacial Dzyaloshinskii-Moriya interaction (iDMI). Therefore, it is of crucial importance to control iPMA and iDMI, and to understand their underlying physics. Here we experimentally show that both iPMA and iDMI exhibit similar Slater-Pauling-like dependence on the FM variation as the saturation magnetization (MS) does. We measure MS, iPMA, and iDMI of the FM/HM bilayers with HM fixed to Pt and FM varied from Mn (electron number Z = 25) to Ni (Z = 28), including their alloys for fractional Z. Our result indicates that the density of states structure important for the Slater-Pauling dependence is crucial also for iPMA and iDMI. This provides a useful method to engineer chiral magnetic textures.

引用

页数：7

共 43 条

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