Talks given in 2011

1. Atomic manipulation of graphene to produce 2-D ferromagnetic porous carbon materials (Invited Hot Topic)
   The International Symposium on Clusters and Nanostructures (ISCAN)
   November 7-10, 2011 Richmond, Virginia, USA.
   
2. Ferromagnetism in Assembled Two Dimensional Carbon-Based Materials (Invited Talk)
   The 6th Conference of the Asian Consortium on Computational Materials Science (ACCMS‐6)
   September 7-9, 2011; Biopolis, Singapore.
   
3. Probing the existence of energetically degenerate cluster isomers by chemical tagging (Oral Talk)
   APS March Meeting, Monday–Friday, March 21–25, 2011; Dallas, Texas, USA.
   
4. 碳纳米结构及其组装材料的磁性研究进展 (Invited Talk)
   中国物理学会2011年秋季学术会议, 2011年9月15日至18日； 杭州，中国
   Advances in the study of magnetic properties of carbon-based nanostructures and their assembled materials
   Chinese Physical Society (CPS) 2011 Fall Meeting, September 15-18, 2011, Hangzhou, China.

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1. Zinc Vacancy induced magnetism in ZnO thin films and nanowires (Talk)
   APS March Meeting, March 10-14, 2008; New Orleans, Louisiana
   
2. First-Principles Studies of Magnetic Properties of ZnO-based DMSs (Invited Talk)
   The Second General Meeting of ACCMS-VO
   (Asian Consortium on Computational Materials Science-Virtual Organization)
   Sendai-Matsushima, Japan, January 26-28, 2008
   
3. Ab Initio Study of Electronic and Magnetic Properties of C Codoped Ga 1-xMn xN (10-10) Surface (Talk)
   APS March Meeting, March 5-9, 2007, Denver, Colorado
   
4. Ferromagnetic to Ferrrimagnetic Crossover in Cr-doped GaN Nanohole Arrays (Talk)
   APS March Meeting, March 5-9, 2007, Denver, Colorado
   
5. Electronic and Magnetic Properties of Mn- and Cr-Doped GaN Low dimensional Nanostructures (Invited Talk) (Album)
   Foundation General Meeting of ACCMS-VO
   (Asian Consortium on Computational Materials Science-Virtual Organization)
   Sendai-Matsushima, Japan, February 26-28, 2007
   
6. Clusters and Hydrogen Storage ( Chair)(Album)
   International Workshop on " CLUSTER - A BRIDGE ACROSS DISCIPLINES"
   Jekyll Island, Georgia, December 16-20, 2006
   
7. Mn and Cr-doped GaN Nanotubes and Nanoholes (Talk)
   DURINT Meeting, Orlando, Florida, March 28-30, 2006
   
8. Magnetism of TM-doped GaN Nanostructures (Invited Talk)
   University of Central Florida , Orlando U.S.A, March 30, 2006
   
9. Ferromagnetism in Mn doped GaN Nanowires (Talk)
   APS March Meeting, Baltimore, Maryland, March 13-17, 2006
   
10. Clustering of Cr in GaN nanotubes and the onset of ferrimagnetic order (Talk)
    APS March Meeting, Baltimore, Maryland, March 13-17, 2006
    
11. Structure and Magnetic Properties of Cr-doped GaN Nanostructures (Poster)
    1st International Workshop on Doping Semiconductor Nanostructures
    Naval Research Laboratory, Washington, DC, January 9-11, 2006
    
12. Magnetic Properties of Mn-doped GaN thin films (Talk)
    Durint Meeting, Richmond, Virginia, April 11, 2005
    
13. Antiferromagnetic Coupling Driven by Bond Length Contraction in Mn-doped GaN Thin Films and Mangnetic Properties of Cr-doped GaN Thin Films. (Talk)
    Durint Meeting. Florida. March 27, 2004
    
14. Magnetic Properties of Magic Ni-O Clusters (poster)
    56 th Annual Meeting for Japan Physics Society, Tokyo, Japan, March, 2001.
15. The Capacitance Properties of Metal Clusters (Talk)
    5th International Conference on Nanostructured Materials—NANO 2000, Sendai, Japan , Aug., 2000.
16. Ab initio Study on Barium Cluster (Poster)
    99 th Spring Meeting of IMR, Sendai, May, 2000.
17. Structures of Magic Ba Clusters and Ba Suboxide Clusters (Talk)
    6 th Workshop for Cluster Assembled materials, Sendai, March, 2000.
18. First-principles Calculation on Dissociation of Hydrogen Molecule in Nickel (Poster)
    126 th Annual Meeting for Japan Institute of Metals, Yokohama, March, 2000.
19. First- principles Studies on the Magnetism of Ni clusters Coated with Pa and Ni-Pd Alloyed Clusters (Poster)
    97 th Spring Speech Meeting of IMR. Sendai, Japan, June, 1999.
20. The Local Magnetism of Coated and Alloyed Clusters (Talk)
    Japan-India Joint Workshop of Cluster, Sendai, Japan, May, 1999.
21. Graphite Intercalated with Pd (Talk)
    10 th International Symposium on Intercaltion Compounds, Okazaki, May, 1999.
22. The Similarity in Adsorption between Hydrogenated Si Cluster and Si Surface (Talk)
    54 th Annual Meeting for Japan Physics Society, Hiroshima, Japan, March, 1999.
23. Metastable States of Low Dimensional Magnetic Systems (Talk)
    4 th International Symposium on Physics of Magnetic Materials, Sendai, Aug. 1998.
24. The Capacitance Properties of Fe13O8 Clusters (Poster)
    Workshop of Cluster and Its Applications, IMR, Sendai, Japan, Oct., 1998.