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Tailoring Magnetic Properties of MAX Phases, a Theoretical Investigation of (Cr2Ti)AlC2 and Cr2AlC
Wang, JM; Liu, ZM; Zhang, HB; Wang, JY; Wang, JY (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, High Performance Ceram Div, Shenyang 110016, Peoples R China.
2016-10-01
Source PublicationJOURNAL OF THE AMERICAN CERAMIC SOCIETY
ISSN0002-7820
Volume99Issue:10Pages:3371-3375
Abstract(Cr2Ti)AlC2 is a newly discovered MAX phase with ordered occupations of Ti and Cr atoms on M sites. The Cr-containing MAX phase is expected showing magnetic property, which provides functional applications in spintronics and as self-monitoring smart coating. The magnetic states of (Cr2Ti) AlC2 are predicted by GGA and GGA + U methods and compared to those of Cr2AlC. The ground states are predicted as FM or AFM-XX configurations depending on the calculation methods. Analysis of the electronic structure shows that the magnetic moments mainly originate from the net spins of Cr 3d valence electrons, whereas the contribution of other atoms is negligible. The calculated magnetic moments of Cr atoms in (Cr2Ti) AlC2 are higher than those in Cr2AlC due to the larger distance between the out-plane Cr atoms separated by the intercalated nonmagnetic Ti-C slab. This work provides an insight on tailoring magnetic properties of MAX phases by modifying the crystal structure.
description.department[wang, jiemin ; liu, zhimou ; wang, jingyang] chinese acad sci, shenyang natl lab mat sci, inst met res, high performance ceram div, shenyang 110016, peoples r china ; [zhang, haibin] china acad engn phys, inst nucl phys & chem, mianyang 621900, peoples r china
KeywordMax Phases Magnetic Materials/properties Modeling/model
Subject AreaMaterials Science, Ceramics
Funding OrganizationNatural Sciences Foundation of China [51372252, 51402312]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/76244
Collection中国科学院金属研究所
Corresponding AuthorWang, JY (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, High Performance Ceram Div, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Wang, JM,Liu, ZM,Zhang, HB,et al. Tailoring Magnetic Properties of MAX Phases, a Theoretical Investigation of (Cr2Ti)AlC2 and Cr2AlC[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2016,99(10):3371-3375.
APA Wang, JM,Liu, ZM,Zhang, HB,Wang, JY,&Wang, JY .(2016).Tailoring Magnetic Properties of MAX Phases, a Theoretical Investigation of (Cr2Ti)AlC2 and Cr2AlC.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,99(10),3371-3375.
MLA Wang, JM,et al."Tailoring Magnetic Properties of MAX Phases, a Theoretical Investigation of (Cr2Ti)AlC2 and Cr2AlC".JOURNAL OF THE AMERICAN CERAMIC SOCIETY 99.10(2016):3371-3375.
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