期刊文献+

X射线磁性圆二色:MgO衬底铁单晶膜的轨道磁矩和自旋磁矩 被引量:2

原文传递
导出
摘要 利用X射线磁性圆二色(XMCD)吸收谱研究了在MgO衬底外延的铁单晶薄膜的原子磁矩.根据XMCD吸收谱的加和定则,得到了铁原子的自旋磁矩和轨道磁矩分别是0.069和2.33μB.并与不同铁膜的轨道和自旋磁矩进行了比较,基本上与已发表的实验和理论数据吻合.实验结果表明当铁的轨道磁矩随膜厚的增加而下降,向体样品的轨道磁矩靠近,而自旋磁矩变化不大.
出处 《科学通报》 EI CAS CSCD 北大核心 2005年第12期1172-1175,共4页 Chinese Science Bulletin
基金 国家大科学工程国家同步辐射实验室二期工程软X射线磁性圆二色子项目P2C07.
  • 相关文献

参考文献10

  • 1Ohno Y, Young D K, Beschoten B, et al. Electrical spin injection in a ferromagnetic semiconductor heterostructure. Nature, 1999, 402(6763): 790~792
  • 2Schmidt G, Ferrand D, Molenkamp L W, et al. Fundamental obstacle for electrical spin injection from a ferromagnetic metal into a diffusive semiconductor. Phys Rev B, 2000, 62(8): R4790~ R4793
  • 3Hammar P R, Bennett B R, Yang M J, et al. Observation of spin injection at a ferromagnet-semiconductor interface. Phys Rev Lett, 1999, 83(1): 203~206
  • 4Zhu H J, Ramsteiner M, Kostial H, et al. Room-Temperature Spin Injection from Fe into GaAs. Phys Rev Lett, 2001, 87(1): 16601~ 16604
  • 5Hanbicki A T, Jonker B T, Itskos G, et al. Efficient electrical spin injection from a magnetic metal/tunnel barrier contact into a semiconductor. Appl Phys Lett, 2002, 80(7): 1240~1242
  • 6Chen C T, Idezerda Y U, Lin H J, et al. Experimental Confirmation of the X-Ray Magnetic Circular Dichroism Sum Rules for Iron and Cobalt. Phys Rev Lett, 1995, 75(1): 152~155
  • 7Wu R, Freeman A J. Limitation of the magnetic-circular-dichroism spin sum rule for transition metals and importance of the magnetic dipole term. Phys Rev Lett, 1994, 73(14): 1994~1997
  • 8Alvarenga A D, Garcia F, Sampaio L C, et al. X-ray magnetic circular dichroism in Fe/NiO thin films. J Magn Magn Mater, 2001, 233(1-2): 74~77
  • 9Claydon J S, Xu Y B, Tselepi M, et al. Magnetic moments of ferromagnetic, superparamagnetic, and submonolayer Fe on a GaAs (100) surface. J Appl Phys, 2004, 95(11): 6543~6545
  • 10Xu Y B, Tselepi M, Dudzik E, et al. Spin and orbital magnetic moments of ultrathin Fe films on GaAs(100) studied by X-ray magnetic circular dichroism. J Magn Magn Mater, 2001, 226-230 (Part 2): 1643~1645

同被引文献17

  • 1王玉银,张素梅,郭兰慧.受荷方式对钢管混凝土轴压短柱力学性能影响[J].哈尔滨工业大学学报,2005,37(1):40-44. 被引量:11
  • 2瞿伟廉,滕军,项海帆,钟珞,刘晖,汪菁,李功标.风力作用下深圳市民中心屋顶网架结构的智能健康监测[J].建筑结构学报,2006,27(1):1-8. 被引量:22
  • 3Ohno H. Toward Functional Spintronics. Science, 2001, 291: 840~841.
  • 4Norton D P, Pearton S J, Hebard A F, et al. Ferromagnetism in Mn-implanted ZnO:Sn single crystals. Appl Phys Lett, 2003, 82(2): 239~241.
  • 5Jung S W, An S J, Yi G C, et al. Ferromagnetic properties of Zn1-xMnxO epitaxial thin films. Appl Phys Lett, 2002, 80: 4561~4563.
  • 6Dai Y, Zhang Y, Bai Y Q, et al. Bicrystalline zinc oxide nanowires. Chem Phys Lett, 2003, 375: 96~101.
  • 7Dai Y, Zhang Y, Li Q K, et al. Synthesis and optical properties of tetrapod-like zinc oxide nanorods. Chem Phys Lett, 2002, 358: 83~86.
  • 8Dai Y, Zhang Y, Wang Z L, et al. The octa-twin tetraleg ZnO nanostructures. Solid State Commun, 2003, 126: 629~633.
  • 9Chang Y Q, Wang D B, Luo X H, et al. Synthesis, optical, and magnetic properties of diluted magnetic semiconductor Zn1-xMnxO nanowires via vapor phase growth. Appl Phys Lett, 2003, 83 (19): 4020~4022.
  • 10Roy V A L, Djurisic A B, Liu H, et al. Magnetic properties of Mn doped ZnO tetrapod structures. Appl Phys Lett, 2004, 84 (5): 756~758.

引证文献2

二级引证文献4

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