Yang Li, Ph. D. Associate Professor Ph.D. University of Science and Technology Beijing Office OF-408 Mayagüez, PR 00680 (787) 832-4040, Ext. 3179 E-Mail: yang.li@upr.edu

Professional Experience

• July 2006 – present, Assistant Professor, Department of General Engineering, University of Puerto Rico at Mayaguez
• Aug. 2005 – July 2006 Assistant Research Professor, Department of Physics, The University of Texas at Arlington
• June 2001 – July 2005, Postdoctoral Associate Researcher and teaching stuff, Department of Physics, Texas A&M University
• May 1999 – May 2000, Postdoctoral Associate Researcher (Royal Society Fellowship), Blackett Laboratory, Department of Physics, Imperial College, London, UK

Present Research Interests

Experimental

1. Novel Materials Exploration and Synthesis - New materials include thermoelectric materials, magnetic clathrates, Fe-based high-Tc superconductors, magnetic semiconductor, heavy fermion materials and nanostructure materials.
2. Core-shell nanoclusters: Synthesis, magnetism and application for biomedicine
3. Study of magnetic and thermoelectric properties of clathrates as new energy conversion materials
4. Research of Fe-based high-Tc superconductors such as REOFeAs (
5.  Frustration effects in 4f- and 3d-magnetic oxides with spinel and  pyrochlore-type structure
6. Single crystal growth of magnetic clathrates, intermetallic compounds, high-Tc superconductors
7. Nanostructured III-N solar cells for space applications
8. Spin injection in Si and Ge nanodevices, magnetic film of germanium clathrate: New semiconductor materials with nanoscale magnetic array
9.  pH Sensitive chitosan alginate hydrogel with adjustable mechanical resistance and their application in drug delivery.
10. The spin torque effect in single-walled carbon nanotube - toward a new spintronics multi-functional device
11. Hybrid magnetic nanostructure film materials on the high-Tc superconducting substrate.
12. Flux pinning of stress-field induced by lattice-mismatch in high-Tc superconductors
13. NMR and Mossbauer study on the intermetallic compounds

 Theoretical

For my theoretical research, by using the first-principles of Quantum mechanics, I investigate the electronic structure and physical properties of various materials such as:

• Clathrate materials
• Magnetic semiconductors
• Fe-based high-Tc superconductors
• Intermetallic compounds
• Ionic conductors

Education

• Ph. D., Materials Physics, University of Science and Technology Beijing, (March, 1993)
• MS, Materials Physics, University of Science and Technology Beijing, (December, 1989)
• BS, Physics, University of Science and Technology Beijing (July, 1984)

Honors and Awards

• Distinguished Professor, University of Puerto Rico, Mayaguez, 2010.
• PI, proposal “New Energy Conversion Material: Clathrate with Magnetic Nano-array” NASA IDEAS-ER (Grant No. NNX10AM80H, 2010).
• Co-PI, proposal “Nanostructured III-N solar cells for space applications” NASA (Grant No. NNX07AO30A, 2010)
• PI, proposal “pH Sensitive Chitosan Alginate Hydrogel with Adjustable Mechanical Resistance and their Application in the Drug Delivery”, INDUNIV Foundation (Grant No. G-09-03, 2009).
• PI, proposal “Acquisition of a Cryogen-Free Physical Property Measurement System for Research and Education” NSF MRI (Grand No. DMR- 0821284, 2008). Royal Society Fellowship, London Royal Society UK for “The flux pinning study on high-Tc superconductors”.

Service

• Editorial Advisory Board Member of Open Condensed Matter Physics Journal
• Panelist of NSF-DMR
• Referee for the NSF, J. Mater. Res.,  Physica C,  Physica B,  J. Appl. Phys.,  Appl. Phys. Lett.,   Phys. Rev. B,  IEEE transactions,  J. MMM,  Chin. Phys. Lett.,  Acta Physica Sinica,   J. Chin. Rare Earth Soc.,  J. Industrial and Management Optimization

Patent

• A New Preparation Method on High-J_c Oxide Superconductor of Ho-doped Y-123 superconductors (Patent No. 931128. 8)

Selected Publications (total 4 Book chapters and 120 peer-reviewed journal publications)

1. Joseph H. Ross and Yang Li, Chapter IV, Superconductivity and Magnetism in Silicon and Germanium Clathrates in "Nanoscale Magnetic Materials and Applications", Publisher: Springer-Verlag New York, LLC, May 2009).
2. J. Chi, X. Zheng, S.Y. Rodriguez, Yang Li, W.P. Gou, V. Goruganti, K.D.D.Rathnayaka, and J.H. Ross, “Dilute magnetism and vibrational entropy in Fe2Al5”, Phys. Rev. B 82 174419 (2010).
3. Z. G. Yin, N. F. Chen­­, Yang Li, "Interface as the origin of ferromagnetism in cobalt doped ZnO film grown on silicon substrate", Appl. Phys. Lett. 93, 142109 (2008).
4.  Yang Li, W.P. Wang, X.X. Li, L.H. Liu, A.H. Wang, N. Chen, Y. Liu and G.H. Cao, "Mg-doping effect on structural and magnetic properties on two-dimensional triangular lattice LiVO2". J. Appl. Phys. 107, 09E108 (2010).
5. Yang Li, B.Y. Ma, N. Chen, J. Lu, et al. “Structural and magnetic properties of LiMn1.5Fe0.5O4 spinel oxide” Physica B 405, 4733 (2010).
6. N. Chen, S.P. Qu, Yang Li, “Synthesis of LiFeAs Superconductor by Electrochemistry at Room Temperature”, J. Appl. Phys. 107, 09E123 (2010).
7. W.P. Gou, S. Y. Rodriguez, Yang Li, et al., “NMR experiments and electronic structure calculations in type-I BaAlGe clathrates”, Phys. Rev. B. 80, 144108 (2009).
8. Yang Li, R. H. Zhang, Y. Liu, N. Chen, Z. P. Luo, X.Q. Ma, G. H. Cao, Z. S. Feng, Chia-ren Hu and Joseph H. Ross, Jr. “Superconductivity in gallium-substituted Ba8Si46 clathrates”, Phys. Rev. B75, 054513(2007).
9. Yang Li, J. Gao, N. Chen, Y. Liu, Z.P. Luo, R.H. Zhang, X.Q. Ma, G.H. Cao, "Electronic structure and physical properties of Ba8Ga16Sn30 clathrates with type-I and type-VIII structure" Physica B 403 1140 (2008).
10. Y.P. Wang, Yang Li, C.B. Rong and J.P. Liu, “Sm–Co hard magnetic nanoparticles prepared by surfactant-assisted ball milling”, Nanotechnology 18, 465701 (2007).
11. C.G. Hu, Yang Li, J.P. Liu, Y.Y. Zhang, G. Bao, B. Buchine, Z.L. Wang, “Sonochemical synthesis of ferromagnetic core–shell Fe3O4–FeP nanoparticles and FeP nanoshells”, Chemical Physics Letters 428, 343 (2006).
12. Yang Li, Y. Liu, N. Chen, G.H. Cao, Z.S. Feng, J.H. Ross, Jr., “Vacancy and Copper-doping effect on superconductivity for clathrate materials” Phys. Lett. A345, 398 (2005).
13. W.P. Gou, Yang Li, J. Chi, J.H. Ross, Jr., M. Beekman, and G. S. Nolas, “NMR Study of Slow Atomic Motion in Sr8Ga16Ge30 Clathrate”, Phys. Rev. B 71, 174307 (2005).
14. J. Chi, Yang Li, F. G. Vagizov, Venkatesh Goruganti, and Joseph H. Ross, Jr., “NMR and Mossbauer study of FeAl2” Phys. Rev. B 71, 024431 (2005).
15. D.Y. Kong, Yang Li, X. Ouyang, A.V. Prosvirin, H.H. Zhao, J.H. Ross, Jr., K.R. Dunbar, and A. Clearfield, "Syntheses, Structure, and Magnetic Properties of New Types of Cu(II), Co(II), and Mn(II) Organophosphonate Materials: Three-Dimensional Frameworks and a One-Dimensional Chain Motif," Chem. Mater., 16, 3020-3031 (2004).
16. Yang Li and J. H. Ross, Jr., “Ferromagnetism in Fe-doped Ba6Ge25 chiral clathrate”, Appl. Phys. Lett. 83, 2868-70 (2003).
17. Yang Li, J. Chi, W.P. Gou, S. Khandekar and J. H. Ross, Jr, “Structure and stability of Ba-Cu-Ge type-I clathrates”, J. Phys.:Condens. Matter 15, 5535-5542 (2003).
18. Yang Li and Joseph H. Ross, Jr., “Superconductivity at 10 K in (Ge-Ba)-based compounds”, IEEE Transactions on Applied superconductivity, 13(2) 3047-3050 (2003).
19. D. Y. Kong, Yang Li, J.H. Ross Jr. and A. Clearfield, “A novel copper organophosphonate with a pore-like 3D framework and Cu–Cu magnetic ordering”, Chem. Commun. 1720-1721 (2003).