期刊文献+

金属间化合物YFe_(12-x)M_x(M=V,Cr)的结构和磁性研究 被引量:2

Study on Lattice and Magnetism of Intermetallic Compound YFe_(12-x)M_x(M=V,Cr)
在线阅读 下载PDF
导出
摘要 采用线性缀加平面波展式结合改进的局域轨道方法(APW+lo),基于密度泛函理论(DFT),优化、计算和分析了Y、Fe、V、Cr和YFe12-xMx(M=V、Cr;x=0~5)体系的结构和能量。系统的总磁矩和原子磁矩的计算表明,YFe12-xMx的磁矩主要来源于Fe,但是随着M浓度的增加而减小,这是因为M的加入不仅会降低体系中Fe的浓度,而且还将影响Fe之间相互作用导致Fe磁矩下降。利用计算获得的系统总的电子态密度和Fe的电子态密度对计算结果进行了分析。 Using the scheme of the linearized augmented plane wave and the improved local orbital (APW+lo), based on the density functional theory(DFT), the electronic structure, energy and magnetism of Y, Fe, V, Cr, YFe12-xMx(M=V, Cr, x=0-5) and Y2Fel7 were optimized, calculated and analyzed. The magnetic moments reveal that the decrease of magnetization of does not only correspond to a simple dilution of the iron suhlattice magnetization, but also reduce the Fe moments as well with increasing M atoms. The effect of the substituted atom M on the magne- tism of the intermetallic compounds YFe12-xMx is discussed with the electronic density of states (DOS) of Fe atom and system.
出处 《材料导报》 EI CAS CSCD 北大核心 2012年第4期127-130,138,共5页 Materials Reports
基金 国家自然科学基金(11074160 50872116) 教育部高等学校骨干教师资助计划(SWJTU09BR154) 商丘师范学院大学生创新性试验计划项目(2010-DXS-23) 商丘师范学院青年基金项目(2009QN13)
关键词 YFe12-xMx密度泛函理论 磁矩 电子态密度 YFe12-xMx, density functional theory, magnetism, electronic density of states
  • 相关文献

参考文献16

  • 1Sagawa M,Fujimura S,Togo M,et al.New material for permanent magnets on a based of Nd and Fe[J].J Appl Phys,1984,55(6):2083.
  • 2Zhang X P,Radwanski R J,De Boer F R.Magnetic and crystallographic charateristics of rare-earth ternary carbides derived from R2Fe17 compounds[J].J Magn Magn Mater,1990,86(2-3):333.
  • 3Wang Y Z,Hadjipanayis G C.Effect of nitrogen on the structural and magnetic properties of intermetallic compounds with the ThMn12 structure[J].J Appl Phys,1991,70(10):6009.
  • 4王建立,杨伏明,唐宁,韩秀峰,阳东.ErFe_(11-x)Co_xTi化合物的结构与磁性研究[J].物理学报,1998,47(6):990-996. 被引量:12
  • 5Tereshina I S,Nikitin S A,Ivanova T I,et al.Rare-earth and transition metal sublattice contributions to magnetization and magnetic anisotropy of R(TM,Ti)12 single crystals[J].J Alloys Compd,1998,275-277:625.
  • 6杨应昌,程本培.1:12型Nd-Fe-N新型永磁材料研究[J].材料导报,2001,15(2):5-6. 被引量:7
  • 7薛艳杰,李峻宏,成之绪,陈娜,杜红林.YFe_(10)Si_2晶体结构和磁结构中子衍射研究[J].原子能科学技术,2004,38(Z1):100-103.
  • 8杨石强,林萍华,盛晓波,董寅生,杨素萍.金属间化合物ErFe_(11-x)Mn_x Ti的结构和磁性[J].东南大学学报(自然科学版),2003,33(1):57-59. 被引量:2
  • 9Georg K M,Peter B,Karlheinz S,et al.Efficient linearization of the augmented plane-wave method[J].Phys Rev B,2001,64(19):195134.
  • 10Sj(o)stedt,Nordstrom L,Singh D J.An alternative way of linearizing the augmented plane-wave method[J].Solid State Commun,2000,114(1):15.

二级参考文献18

  • 1[1]Yang Ying-chang, Sun Hong, Kong Lin-shu, et al. Neutron Diffraction Study of Y (Ti, Fe)12 [J].J Appl Phys, 1988, 64(10):5 968~5 970.
  • 2[2]Helmholdt RB, Vleggaar JJM, Buschow KHJ.Note on the Crystallographic and Magnetic Structure of YFe10 V2 [J]. Journal of the Less-Common Metals, 1988, 138:L11~L14.
  • 3[3]Mao Weihua, Yang Jinbo, Cheng Benpei, et al.Structure and Magnetic Properties of a Solution of Carbon in YFe10. 5 Mo1.5 Prepared by Arc Melting[J]. J Phys: Condens Matter, 1998, 10:4 379~4 385.
  • 4[4]Mao W, Ji C, Chang H, et al. Study on the Magnetic Moments of PrFe10. 5 V1.5 and PrFe10.5 V1. 5 Nx Compounds[J]. Solid State Communications, 1999, 111:165~169.
  • 5[5]Hu Z, Yelon WB. Neutron Diffraction and Magnetic Studies of RFe12-xTx Cy (R = Y, Er; T= V,Ti,Mo) Alloys[J]. J Appl Phys, 1996, 79(8):5 522~5 524.
  • 6[6]Buschow KHJ. Structure and Properties of Some Novel Ternary Fe-rich Rare-earth Intermetallics [J]. J ApplPhys, 1988, 63(8):3 130~3 135.
  • 7Tang N,J Magn Magn Mater,1995年,150卷,241页
  • 8Yang F M,J Appl Phys,1994年,75卷,6241页
  • 9Li H S,Handbook of Magnetic Materials.6,1991年
  • 10Hu B P,Phys Rev B,1990年,41卷,2221页

共引文献19

同被引文献9

引证文献2

二级引证文献10

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部