Structural investigations of Fe-Ga alloys by high-energy x-ray diffraction
Abstract
The magnetostriction of Fe-Ga alloys is significantly affected by the Ga content, which displays two positive peaks with increasing Ga concentration. This paper presents a systematic structural investigation of rapidly-cooled Fe-Ga alloys by the synchrotron-based high-energy x-ray diffraction. Ga-rich clusters are evidenced for the alloys beyond the first magnetostriction peak, which is identified by the anomalous peak broadening for the (200) fundamental reflection and a shrink of lattice parameter. The generation of Ga-rich clusters in A2 matrix results in the sudden decrease of magnetostriction after the first magnetostriction peak. In conclusion, these findings are important for designing high-performance Fe-Ga magnetostrictive alloys by structural tuning.
- Authors:
-
- Beijing Institute of Technology (China)
- University of Science and Technology Beijing (China)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Natural Science Foundation of China (NSFC); Fundamental Research Funds for the Central Universities
- OSTI Identifier:
- 1488545
- Alternate Identifier(s):
- OSTI ID: 1591692
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Alloys and Compounds
- Additional Journal Information:
- Journal Volume: 763; Journal Issue: C; Journal ID: ISSN 0925-8388
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; Fe-Ga; crystal structure; high-energy x-ray diffraction; magnetostriction; superlattice
Citation Formats
Nie, Zhihua, Wang, Zilong, Liang, Yanbin, Cong, Daoyong, Li, Gaoqiang, Zhu, Cheng, Tan, Chengwen, Yu, Xiaodong, Ren, Yang, and Wang, Yandong. Structural investigations of Fe-Ga alloys by high-energy x-ray diffraction. United States: N. p., 2018.
Web. doi:10.1016/j.jallcom.2018.05.327.
Nie, Zhihua, Wang, Zilong, Liang, Yanbin, Cong, Daoyong, Li, Gaoqiang, Zhu, Cheng, Tan, Chengwen, Yu, Xiaodong, Ren, Yang, & Wang, Yandong. Structural investigations of Fe-Ga alloys by high-energy x-ray diffraction. United States. https://doi.org/10.1016/j.jallcom.2018.05.327
Nie, Zhihua, Wang, Zilong, Liang, Yanbin, Cong, Daoyong, Li, Gaoqiang, Zhu, Cheng, Tan, Chengwen, Yu, Xiaodong, Ren, Yang, and Wang, Yandong. Tue .
"Structural investigations of Fe-Ga alloys by high-energy x-ray diffraction". United States. https://doi.org/10.1016/j.jallcom.2018.05.327. https://www.osti.gov/servlets/purl/1488545.
@article{osti_1488545,
title = {Structural investigations of Fe-Ga alloys by high-energy x-ray diffraction},
author = {Nie, Zhihua and Wang, Zilong and Liang, Yanbin and Cong, Daoyong and Li, Gaoqiang and Zhu, Cheng and Tan, Chengwen and Yu, Xiaodong and Ren, Yang and Wang, Yandong},
abstractNote = {The magnetostriction of Fe-Ga alloys is significantly affected by the Ga content, which displays two positive peaks with increasing Ga concentration. This paper presents a systematic structural investigation of rapidly-cooled Fe-Ga alloys by the synchrotron-based high-energy x-ray diffraction. Ga-rich clusters are evidenced for the alloys beyond the first magnetostriction peak, which is identified by the anomalous peak broadening for the (200) fundamental reflection and a shrink of lattice parameter. The generation of Ga-rich clusters in A2 matrix results in the sudden decrease of magnetostriction after the first magnetostriction peak. In conclusion, these findings are important for designing high-performance Fe-Ga magnetostrictive alloys by structural tuning.},
doi = {10.1016/j.jallcom.2018.05.327},
journal = {Journal of Alloys and Compounds},
number = C,
volume = 763,
place = {United States},
year = {Tue May 29 00:00:00 EDT 2018},
month = {Tue May 29 00:00:00 EDT 2018}
}
Web of Science
Figures / Tables:
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Works referencing / citing this record:
Phase diagram of magnetostrictive Fe-Ga alloys: insights from theory and experiment
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Figures / Tables found in this record: