气候变化领域集成服务门户(CCPortal): Magnetically driven short-range order can explain anomalous measurements in CrCoNi

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DOI	10.1073/pnas.2020540118
	Magnetically driven short-range order can explain anomalous measurements in CrCoNi
	Walsh F.; Asta M.; Ritchie R.O.
发表日期	2021
ISSN	00278424
卷号	118 期号:13
英文摘要	The presence, nature, and impact of chemical short-range order in the multi-principal element alloy CrCoNi are all topics of current interest and debate. First-principles calculations reveal that its origins are fundamentally magnetic, involving repulsion between like-spin Co–Cr and Cr–Cr pairs that is complemented by the formation of a magnetically aligned sublattice of second-nearest-neighbor Cr atoms. Ordering models following these principles are found to predict otherwise anomalous experimental measurements concerning both magnetization and atomic volumes across a range of compositions. In addition to demonstrating the impact of magnetic interactions and resulting chemical rearrangement, the possible explanation of experiments would imply that short-range order of this type is far more prevalent than previously realized. © 2021 National Academy of Sciences. All rights reserved.
英文关键词	Frustration; High-entropy alloys; Magnetism; Short-range order
语种	英语
scopus关键词	carbon monoxide; chromium; nickel; Article; chemical analysis; chemical bond; chemical composition; controlled study; density functional theory; magnetism; polarization; priority journal; process optimization
来源期刊	Proceedings of the National Academy of Sciences of the United States of America
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/180091
作者单位	Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States; Graduate Group in Applied Science & Technology, University of California, Berkeley, CA 94720, United States; Department of Materials Science & Engineering, University of California, Berkeley, CA 94720, United States
推荐引用方式 GB/T 7714	Walsh F.,Asta M.,Ritchie R.O.. Magnetically driven short-range order can explain anomalous measurements in CrCoNi[J],2021,118(13).
APA	Walsh F.,Asta M.,&Ritchie R.O..(2021).Magnetically driven short-range order can explain anomalous measurements in CrCoNi.Proceedings of the National Academy of Sciences of the United States of America,118(13).
MLA	Walsh F.,et al."Magnetically driven short-range order can explain anomalous measurements in CrCoNi".Proceedings of the National Academy of Sciences of the United States of America 118.13(2021).