Dr. Yanwen Zhang
- Postdoc, Ion Beam Physics, Uppsala University, Sweden, 1999-2000
- Ph.D., Materials Science and Engineering, Beijing Normal University, China, 1999
- Ph.D., Nuclear Physics, Lund Institute of Technology, Sweden, 1998
- M.S., Materials Science and Engineering, Beijing Normal University, China, 1993
- B.E., Solid State Physics, Beijing Normal University, China, 1990
Research and Professional Experience:
- 2010 – Present Senior Research Staff, Oak Ridge National Laboratory (ORNL), and Associate Professor, Materials Science and Engineering, University of Tennessee (UT).
Director, Energy Frontier Research Centers (EFRC) on Energy Dissipation to Defect Evolution (EDDE) to develop a fundamental understanding of energy dissipation mechanisms in materials under irradiation. The work ultimately aims to control the evolution of defects in structural alloys used in high-radiation environments, such as in nuclear reactors.
Deputy Director of the UT-ORNL Ion Beam Materials Laboratory, responsible for training of students and postdoc researchers and management of the routine operation.
Research focusing on a broad range of topics in both theoretical and experimental aspects of interaction of ions and electrons with materials and how these interactions can be applied to the analysis and modification of materials, as well as the detection and characterization of charged particles.
- 2003 – 2010: Senior Research Scientist/Staff Scientist, Pacific Northwest National Laboratory (PNNL)
PI and Co-PI on fundamental research projects in the fields of ion-beam physics and radiation physics with focus on radiation effects, ionization-induced recrystallization, electronic stopping in solids, radiation detection, and nanoscale defect/interface engineering. Duties also include working with users at the ion accelerator laboratory at the Environmental Molecular Sciences Laboratory, a DOE user facility.
- 2000 – 2003: Assistant Professor, Division of Ion Physics, Uppsala University, Sweden
Research includes ion-beam modification and synthesis of materials, impurity diffusion in solids, environmental degradation of materials, and applications of ion-beam analysis techniques; development of automatic control programs for ion beam analysis techniques; responsible for the corresponding research activities at the Tandem Accelerator Laboratory.
Professional Activities, Honors, Awards:
- Co-organizer for symposiums: MRS Fall meeting in Boston on “Materials Research Needs to Advance Nuclear Energy” in 2009, “Advances in Materials for Nuclear Energy” in 2012, and “Defects and Radiation Effects in Advanced Materials” in 2014. Symposiums and session organizer for the International Conference on the Application of Accelerators in Research and Industry (CAARI) in 2006, 2008, 2012 and 2014. Chair and co-organizer for the 16th International Conference on Radiation Effects in Insulators and the Summer School on Materials Challenges for Advanced Nuclear Energy Systems (2011) in Beijing, China.
- Co-editor of book Ion Beams in Nanoscience and Technology, Whitlow, H. J., Hellborg, R., and Zhang, Y., (Editors), Springer Verlag, Berlin, 2009.
- Served on the advisory editorial board of Nuclear Instruments & Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, since January 1, 2009.
- Journal reviewer for many scitentific journals and proposal reviewer for US and international funding agencies.
Selected Publications: (over 250 refereed journal articles and conference proceedings including 68 as lead author; over 50 invited presentations)
- Y. Zhang, G. Malcolm Stocks, K. Jin, C. Lu, H. Bei, B. C. Sales, L. Wang, L. K. Béland, R. E. Stoller, G. D. Samolyuk, M. Caro, A. Caro, and W. J. Weber, “Influence of chemical disorder on energy dissipation and defect evolution in nickel and Ni-based concentrated solid-solution alloys,” Nature Commun. 6, 8736 (2015). DOI:10.1038/ncomms9736.
- Y. Zhang, R. Sachan, O. H. Pakarinen, M. F. Chisholm, P. Liu, H. Xue, and W. J. Weber, “Ionization-induced annealing of pre-existing defects in silicon carbide,” Nature Commun. 6, 8049 (2015). DOI:10.1038/ncomms9049.
- Y. Zhang, A. Debelle, A. Boulle, P. Kluth, and F. Tuomisto, “Advanced Techniques for Characterization of Ion Beam Modified Materials,” Curr. Opin. Solid State Mater. Sci. 19 : 19-28 (2015). DOI :10.1016/j.cossms.2014.09.007.
- W. J. Weber, D. M. Duffy, L. Thomé and Y. Zhang, “The role of electronic energy loss in ion beam modification of materials,” Curr. Opin. Solid State Mater. Sci. 19 : 1-11 (2015). DOI:10.1016/j.cossms.2014.09.003.
- Y. Zhang, D. S. Aidhy, T. Varga, S. Moll, P. D. Edmondson, F. Namavar, K. Jin, C. N. Ostrouchov, and W. J. Weber, “The effect of electronic energy loss on irradiation-induced grain growth in nanocrystalline oxides,” Phys Chem Chem Phys 16, 8051–8059 (2014). DOI:10.1039/C4CP00392F.
- Y. Zhang, M. L. Crespillo, H. Xue, K. Jin, C.-H. Chen, C. L. Fontana, J. T. Graham, and W. J. Weber, “New Ion Beam Materials Laboratory for Materials Modification and Irradiation Effects Research,” Nucl Instrum & Meth B 338, 19–30 (2014). DOI:10.1016/j.nimb.2014.07.028.
- Z. Tang, M. C. Gao, H. Diao, T. Yang, J. Liu, T. Zuo, Y. Zhang, Z. Lu, Y. Cheng, Y. Zhang, K. A. Dahmen, P. K. Liaw, and T. Egami, “Aluminum Alloying Effects on Lattice Types, Microstructures and Mechanical Behavior of High-Entropy Alloys Systems,” JOM 65, No. 12, 1848–1858 (2013). DOI:10.1007/s11837-013-0776-z.
- Y. Zhang, M. Ishimaru, T. Varga, T. Oda, C. Hardiman, H. Xue, Y. Katoh, S. Shannon, and W. J. Weber, “Nanoscale Engineering of Radiation Tolerant Silicon Carbide,” Phys Chem Chem Phys 14, 13429 (2012). DOI: 10.1039/c2cp42342a.
- C. M. Parish, P. D. Edmondson, Y. Zhang, and M. K. Miller, “Direct observation of ion-irradiation-induced chemical mixing,” J Nucl Mater 418, 106–109 (2011). DOI:10.1016/j.jnucmat.2011.07.035.
- M. K. Miller and Y. Zhang, “Fabrication and Characterization of APT Specimens from High Dose Heavy Ion Irradiated Materials,” Ultramicroscopy 111, 672–675 (2011). DOI: 10.1016/j.ultramic.2010.12.036.