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Competition of two terms in exchange energy (A = A(1)+A(2)) for magnetic materials
Wang, YZ; Zhang, ZD
Corresponding AuthorWang, YZ()
2002
Source PublicationSOLID STATE COMMUNICATIONS
ISSN0038-1098
Volume124Issue:5-6Pages:215-219
AbstractFor magnetic materials with exchange interaction, A = A(1) + A(2) (A(1) > 0, A(2) < 0), the dominant term in the exchange energies of magnetic materials (A(1) for ferromagnetism, or A(2) for antiferromagnetism) favors to an order of the spins, whereas the minor term with different sign (A(2) for ferromagnetism or AI for antiferromagnetism) tends to disturb such order, and the effect of the minor term could be included as an effective temperature (Teff). The magnetism of a matter depends on the competition between the dominant term and the minor term in the exchange energies. When A(1) = \A(2)\, A = 0, the materials are in the spin glass state; when A(1) > \A(2)\, there is the coexistence of FM and SG; when \A(2)\ > A(1), there is the coexistence of AFM and SG. The phase diagram has been derived based on the ratio of A(1)/\A(2)\ for the ferromagnetism, antiferromagnetism and spin glass. (C) 2002 Elsevier Science Ltd. All rights reserved.
Keywordexchange energy ferromagnetism antiferromagnetism spin glass
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000179280200013
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/115081
Collection中国科学院金属研究所
Corresponding AuthorWang, YZ
AffiliationAcad Sinica, Met Res Inst, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wang, YZ,Zhang, ZD. Competition of two terms in exchange energy (A = A(1)+A(2)) for magnetic materials[J]. SOLID STATE COMMUNICATIONS,2002,124(5-6):215-219.
APA Wang, YZ,&Zhang, ZD.(2002).Competition of two terms in exchange energy (A = A(1)+A(2)) for magnetic materials.SOLID STATE COMMUNICATIONS,124(5-6),215-219.
MLA Wang, YZ,et al."Competition of two terms in exchange energy (A = A(1)+A(2)) for magnetic materials".SOLID STATE COMMUNICATIONS 124.5-6(2002):215-219.
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