Estimations of superconducting fluctuation effects in amorphous MoRu and MoRe alloy thin films

被引：3

作者：

Makise, Kazumasa ^{[1
]}

Mizokami, Yuya ^{[2
]}

Nogami, Tatsuya ^{[2
]}

Sawada, Genki ^{[2
]}

Asano, Takayuki ^{[3
]}

Shinozaki, Bunju ^{[4
]}

Ichikawa, Fusao ^{[2
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan

[2] Kumamoto Univ, Dept Phys, Chuo Ku, Kurokami 2-39-1, Kumamoto 8608555, Japan

[3] Univ Fukui, Dept Appl Phys, 3-9-1 Bunkyo, Fukui 9108507, Japan

[4] Kyushu Univ, Dept Phys, Nishi Ku, 744 Motooka, Fukuoka, Fukuoka 8190395, Japan

来源：

MATERIALS RESEARCH EXPRESS | 2018年 / 5卷 / 09期

关键词：

thin film; superconductivity; amorphous; MAGNETIC-FIELD; 2; DIMENSIONS; CONDUCTIVITY; TRANSITION; PARAMETER; METAL; TIME;

D O I：

10.1088/2053-1591/aad65c

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Herein, we investigated the superconducting properties of amorphous Mo alloy thin films: molybdenum ruthenium (MoRu) onto c-plane sapphire and molybdenum rhenium (MoRe) glass substrates. To extract the two-dimensional (2D) transport properties from the experimental data, we analyzed the magnetoconductance Delta sigma = 1 /R-sq(H,T) 1/R-sq(0, T) by the sum of the mechanisms due to the 2D superconducting fluctuations, weak localization, and electron-electron interaction theories. The result is consistent with the recent simulation result that considers disorder in thin films. In addition, we compared the device parameters of superconducting nitride films, such as niobium nitride and molybdenum nitride using the presents results.

引用

页数：6

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