• LIU Wei
    Title:Professor Email: wliu@imr.ac.cn
    Tel. : +86-24-83978856 FAX: +86-24-23891320
    Division: Shenyang National Laboratory for Materials Science, Magnetism and Magnetic Materials Division
    Address: Magnetism and Magnetic Materials Division, Institute of Metal Research Chinese Academy of Sciences (IMR CAS), 72 Wenhua Road,Shenyang,China, 110016

Experience:

Education:

Ph.D. in Materials Physics and Chemistry : Institute of Metal Research, Chinese Academy of Sciences, Shenyang, P.R. China,
Dates of study :September 1998-June 2000

M.S. in Material Science: Institute of Metal Research, Chinese Academy of Sciences, P.R. China
Dates of study :September 1990-May 1993

B.S. in Physics: Jilin University, Changchun, P.R. China,
Dates of study : September 1983-July 1987

Work experience:

May 2001-present
Professor in Institute of Metal Research, Chinese Academy of Sciences, major in magnetism and magnetic materials

August 2009-Nov.2009, April 2004-November 2004, July 2000–December 2000, Feb. 2001-August 2001
Visiting scholar in Center for Materials Research and analysis, University of Nebraska-Lincoln

April 1998-May 2001
Associate Professor in Institute of Metal Research, Chinese Academy of Sciences

Jan. 1996–July 1996
Visiting scholar in Van der Waals - Zeeman Institute, University of Amsterdam.

September 1994- April 1998
Assistant Professor in Institute of Metal Research, Chinese Academy of Sciences

July 1987-September 1994
Research Assistant in Institute of Metal Research, Chinese Academy of Sciences

Research Interest:

1Structures and magnetic properties of Nanostructured permanent magnets, including metastable phase permanent magnets, nanocomposite permanent magnet films, magnetic recording films with out of plane anisotropy.

2Exchange coupling, magnetoelectric coupling, magnetic and electric transport properties in magnetic and ferroelectric multilayers

3High frequency electromagnetic properties of Magnetic/dielectric nano materials.

Research Achievement:

Service to the International Professional Societies:

Honors:

Publication:

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.

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