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刘 伟(研究员)

所属单位:中国科学院金属研究所

担任职务:研究员

擅长领域:

联系方式:+86-24-83978856 邮箱:登录后查看

简历:

  教育经历:

  1987.吉林大学物理系理学学士

  1993.中国科学院金属研究所材料科学与工程工学硕士

  2001.3  中国科学院金属研究所材料物理与化学工学博士

  工作经历:

  1987.07-1994.09: 中国科学院金属研究所,研究实习员

  1994.09-1998.04: 中国科学院金属研究所,助理研究员

  1996.01-1996.07: 荷兰阿姆斯特丹大学范德瓦尔斯研究所,访问学者

  1998.04-2001.05: 中国科学院金属研究所,副研究员

  2000.07-2001.08: 美国内布拉斯加大学林肯分校开展合作研究 

  2001.05- 至今:   中国科学院金属研究所,研究员

  2004.04-2004.11:  美国内布拉斯加大学林肯分校开展合作研究

  2004.04- 至今:   中国科学院金属研究所,博士生导师

  2009.08-2009.11:  美国内布拉斯加大学林肯分校开展合作研究

研究领域:

  1)纳米复合永磁多层膜的磁性、交换耦合、磁畴和矫顽力机制的研究

  2)磁性和铁电多层膜的交换耦合、磁电耦合及其输运性质研究。

  3)人工反铁磁耦合多层膜中的自旋轨道扭矩翻转机制及磁相互作用研究。

  4)磁性/介电纳米材料的高频电磁特性研究。

主要成就

  1. Z. M. Dai, Y. Y. Dai, W. Liu*, T. T. Wang, X. T. Zhao, X. G. Zhao and Z. D. Zhang, Magnetization reversal of vortex states driven by out-of-plane field in the nanocomposite Co/Pd/Ru/Py disks, Appl. Phys. Lett., 111(2017)022404.

  2. Z. M. Dai, W. Liu*, X. T. Zhao, T. T. Wang, S. K. Li, Y. S. Yu*, X. G. Zhao and Z. D. Zhang,Magnetization reversal and magnetic interactions in anisotropic Nd-Dy-Fe-Co-B/MgO/α-Fe disks and multilayers, Nanoscale, 8(2017)7385.

  3.  F. Wang, Y. Q. Zhang, Y. Bai, W. Liu*, H. R. Zhang, W. Y. Wang, S. K. Li, S.   Ma, X. G. Zhao, J. R. Sun, Z. H. Wang, Z. J. Wang and Z.D. Zhang, Oxygen vacancy formation, crystal structures and magnetic properties of three SrMnO3?δ films, Appl. Phys. Lett., 109(2016)052403.

  4. X.T. Zhao, W. Liu*, Z.M. Da1, D. Li, X. G. Zhao, Z.H. Wang, D. Kim, C. J. Choi and Z. D. Zhang,Weak dipolar interaction between CoPd multilayer nanodots for bit-patterned media application, Mater. Lett., 182(2016)185.

  5. H. Wang, Y.Y. Dai, D.Y. Geng, S. Ma, D. Li, J. An, J. He, W. Liu, Z.D. Zhang, CoxNi100-x nanoparticles encapsulated by curved graphite layers: controllable in situ metal-catalyticpreparation and broadband microwave absorption, Nanoscale, 7 (2015) 17312.

  6. F. Wang, Y.Q. Zhang, W. Liu, X.K. Ning, Y. Bai, Z.M. Dai, S. Ma, X.G. Zhao, S.K. Li, Z.D. Zhang, Abnormal magnetic ordering and ferromagnetism in perovskite ScMnO3 film, Appl. Phys. Lett., 106 (2015) 232906.

  7. T.F. Duan, W.J. Ren, W.L. Liu, S.J. Li, W. Liu, Z.D. Zhang, Magnetic anisotropy of single-crystalline Mn3Sn in triangular and helix-phase states, Appl. Phys. Lett., 107 (2015) 082403.

  8. W. Liu*, X.H. Liu, W.B. Cui,W.J. Gong, Z.D. Zhang*,Exchange couplings in magnetic films,Chin. Phys. B,22 (2013) 027104 (TOPICAL REVIEW).

  9. W. J. Gong, W. J. Yu, W. Liu*, S. Guo, S. Ma, J. N. Feng, B. Li, and Z. D. Zhang, Exchange bias and its thermal stability in ferromagnetic/antiferromagnetic antidot arrays, Appl. Phys. Lett., 101(2012) 012407.

  10. J.J. Jiang, D. Li, D.Y. Geng, J. An, J. He, W. Liu and Z.D. Zhang, Microwave absorption properties of core double-shell FeCo/C/BaTiO3 nanocomposites, Nanoscale 6 (2014) 3967.

  11. H. Wang, H. H. Guo, Y.Y. Dai, D.Y. Geng, Z. Han, D. Li, T. Yang, S. Ma, W. Liu, Z. D. Zhang, Optimal electromagnetic-wave absorption by enhanced dipole polarization in Ni/C nanocapsules, Appl. Phys. Lett., 101(2012) 083116.

  12. X. H. Liu, W. Liu*, S. Guo, F. Yang, X. K. Lv, W. J. Gong, Z. D. Zhang, Effects of anisotropy and spin-asymmetry of ferromagnetic materials in ferromagnetic / Cr2O3 / ferromagnetic trilayers, Appl. Phys. Lett., 96 (2010) 082501.

  13. W.B. Cui, W. Liu*, Z.D. Zhang, The origin of large overestimation of the magnetic entropy changes calculated directly by Maxwell relation, Appl. Phys. Lett., 96 (2010) 222509.

  14. X. H. Liu, W. Liu*, S. Guo, W. J. Gong, J. N. Feng, Z. D. Zhang, Strong effects of magnetic anisotropy on exchange coupling and magnetotransport properties in ferromagnetic/NiO/ferromagnetic trilayers, Appl. Phys. Lett., 97 (2010) 072502.

  15. Q. Zhang, C.F. Li, Y.N. Chen, Z. Han, H. Wang, Z.J. Wang, D.Y. Geng, W. Liu, and Z. D. Zhang, Effect of metal grain size on microwave resonances of Fe/TiO2 metal-semiconductor composite, Appl. Phys. Lett., 97 (2010) 133115.

  16. X. H. Liu, W. Liu*, F. Yang, X. K. Lv, W. B. Cui, S. Guo, W. J. Gong, Z. D. Zhang, Temperature dependence of competition between interfacial and interlayer exchange couplings in ferromagnetic/antiferromagnetic /ferromagnetic trilayer, Appl. Phys. Lett., 95 (2009) 222505.

  17. X. H. Liu, W. Liu*, W. J. Hu, S. Guo, X. K. Lv, W. B. Cui, X. G. Zhao, Z.D. Zhang, Giant magnetocaloric effect in cobalt hydroxide nanoparticles, Appl. Phys. Lett., 93 (2008) 202502.

  18. W. B. Cui, S. J. Zheng, W. Liu*, X. L. Ma, Y. Fang, Q. Yao, X. G. Zhao and Z. D. Zhang, Anisotropic behavior of exchange coupling in textured Nd2Fe14B/α-Fe multilayer films, J. Appl. Phys., 104 (2008) 053903.

  19. W.Liu*, Yi Liu, Ralph Skomski, D.J. Sellmyer, Nanostructured Exchange-Coupled Magnets, Handbook of Advanced Magnetic Materials, Volume I Advanced Magnetic Materials: Nanostructural Effects, Book Chapter 6 (Review), Ed. By D.J. Sellmyer, Y. Liu and D. Shind, Tsinghua University and Springer Press, (2005) p182-p266.

  20. S. L. Chen, W. Liu and Z. D. Zhang, Coercivity mechanism of Pr2Fe14B thin films with perpendicular anisotropic texture, Phys. Rev. B 72 (2005) 224419.

  21. W. Liu*, Z.D. Zhang, J.P. Liu, Z. R. Dai, Z. L. Wang, X.K. Sun and D.J. Sellmyer, Nanocomposite (Nd,Dy)(Fe,Co,Nb,B)5.5/Fe multilayer magnets with high performance, J. Phys. D. Appl. Phys. 36 (2003) L63.

  22. W. Liu, Z.D. Zhang, J.P. Liu, L.J. Chen, L.L. He, Y. Liu, X.K. Sun and D.J. Sellmyer, Exchange Coupling and Remanence Enhancement in nanocomposite multilayer magnets, Advanced Materials 14(2002)1832.