Tailoring magnetic characteristics of (Fe1-xCox)81Zr9B10 amorphous alloys via engineering crystallization processes

被引：6

作者：

Yu, Wanqiu ^{[1
,2
]}

Lu, Liping ^{[1
]}

Zuo, Bin ^{[2
]}

Hua, Zhong ^{[2
]}

Xing, Guoliang ^{[3
]}

Wang, Xinying ^{[4
]}

Wang, Dandan ^{[5
]}

机构：

[1] Changchun Univ Sci & Technol, Sch Mat Sci & Engn, Changchun 130022, Jilin, Peoples R China

[2] Jilin Normal Univ, Natl Demonstrat Ctr Expt Phys Educ, Siping 136000, Peoples R China

[3] Jilin Special Equipment Inspect & Res Inst, Jilin 132013, Jilin, Peoples R China

[4] Northeast Dianli Univ, Sch Engn & Architecture, Jilin 132012, Jilin, Peoples R China

[5] GLOBALFOUNDRIES Singapore Pte Ltd, 60 Woodlands Ind Pk D,St 2, Singapore 738406, Singapore

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2019年 / 125卷 / 09期

基金：

中国国家自然科学基金;

关键词：

ROOM-TEMPERATURE FERROMAGNETISM; METALLIC GLASSES; ANISOTROPY; MICROSTRUCTURE; BEHAVIOR; CU;

D O I：

10.1007/s00339-019-2935-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report on systematic structural and magnetic characteristics' evolution studies of (Fe1-xCox)(81)Zr9B10 (x = 0, 1/6, 1/3, 1/2) amorphous alloys prepared by a single roller melt spinning with post-annealing treatments under a vacuum condition. With representative chemical composition, the crystallization processes of the above four typical amorphous alloys are complicated under the dedicated experimental investigations and interpretation. The alpha-Mn-type phase is detected in Fe81Zr9B10 alloy, while the beta-Mn-type phase is observed for high Co concentration alloys. Both alpha-Mn-type phase and beta-Mn-type phase are the transitional metastable phases formed during the dynamic crystallization. Importantly, the precipitations of metastable alpha-Mn- and beta-Mn-type phases boost up corresponding coercivity (H-c). Along with the transformation of metastable phases, H-c decreases considerably. The precipitation of certain of beta-Mn-type phase in the primary crystallization stage facilitates gaining low H-c in the second stage of crystallization. Our work paves a new path to tailor the magnetic characteristics in Fe(Co)-based nanocrystalline alloys by engineering the microstructure of metastable phase(s).

引用

页数：7

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