Conductance of ultrathin Pt films

被引：0

作者：

Yun, Chang-Jin ^{[1
]}

Kim, Jiho ^{[1
]}

Kim, Mingu ^{[1
]}

Kim, Dongseuk ^{[2
,5
]}

Hwang, Chanyong ^{[2
]}

Lee, B. C. ^{[3
]}

Rhie, Kungwon ^{[4
]}

机构：

[1] Korea Univ, Dept Appl Phys, Sejong 30019, South Korea

[2] Korea Res Inst Stand & Sci, Quantum Technol Inst, Daejeon 34113, South Korea

[3] Inha Univ, Dept Phys, Incheon 22212, South Korea

[4] Korea Univ, Dept Display & Semicond Phys, Sejong 30019, South Korea

[5] Samsung Electromech, Component Solut Biz Unit, Busan 46754, South Korea

来源：

JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2022年 / 80卷 / 05期

基金：

新加坡国家研究基金会;

关键词：

Spin Hall effect; Pt; Anomalous Hall effect; Ultra-thin film; Roughness; Size effect; ELECTRICAL-RESISTIVITY MODEL; POLYCRYSTALLINE FILMS; CONDUCTIVITY; REFLECTION; TRANSPORT;

D O I：

10.1007/s40042-022-00417-x

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Ultrathin Pt less than 10 nm thick is widely used in spintronic devices including spin Hall current. The transport property and underlying physics however have not been much studied for ultrathin films. Classical theories are analyzed to find that they cannot be applied to ultrathin films. Quantum mechanical size effect theory was applied to analyze Pt and Pt/CoFeB film sets. The quantum mechanical theory explained the conductance variation for both films along with roughness remarkably well.

引用

页码：415 / 419

页数：5

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