【在研项目】
1. 科技部国家863计划项目：声电和磁电功能薄膜材料与器件
2. 国家自然科学基金面上项目: 金属多层膜界面、相变及相关力学性能的实验与理论研究
3. 重大专项：高温气冷堆裂变产物气溶胶核素吸附研究
4. 参与科技部国家973项目两项
【已完成项目】
1. 教育部新世纪优秀人才支持计划：纳米多层膜力学性能的理论与实验研究
2. 国家自然科学基金面上项目: 二元亚稳合金相稳定性及力学性能的理论与实验研究
3. 国家自然科学基金面上项目:生成热为正的二元金属系统固态合金化的实验及理论研究
4. 教育部骨干教师资助计划: 多层膜材料微结构的形成及其性能
5. 作为主要骨干参与973重点基础研究项目2项，国家自然科学基金重点项目2项。
发表SCI论文50多篇，影响因子大于3的论文16篇，论文被引用400多次
近期代表性论文：
Review Papers:
1.B.X.Liu, W.S.Lai and Z.J.Zhang, “Solid-State Crystal-to-Amorphous Transition in Metallic Multilayers and Its Thermodynamic and Atomistic Modeling”,Advances in Physics (4) (2001) 367-429.
2.B.X.Liu, W.S.Lai, and Q.Zhang, “Irradiation Induced Amorphization in Metallic Multilayers and Calculation of Glass-Forming-Ability from Atomistic Potential in the Binary Metal Systems”,Mater. Sci. Eng.: Reports 29 (1-2) (2000) 1-48.
Regular Papers:
1. B. Qin; W.S. Lai, “A Molecular Dynamics Study of an hcp-to-fco Martensitic Transformation and Its Crystallographic Correlation in a Ti Lattice, upon Dissolution of Cu Atoms “, Journal of the Physical Society of Japan79 (10) (2010) Art No. 104601
2. B. Qin, W.S. Lai, “Crystalline to Amorphous Transition and Relative Stability of Amorphous Phase versus Solid Solution in the Cu-Ti System Studied by Molecular Dynamics Simulations”, Journal of the Physical Society of Japan79 (6) (2010) Art No. 064603
3. W.S. Lai, J. J. Yu, F. Gao, D. J. Bacon, “Computer simulation of sputtering at the low index (1 0 0), (1 1 0) and (1 1 1) surfaces of Ni3Al in a STEM”, Nucl Instrum Meth B, 267(18) (2009)3076-3083
4. X. K. Xin, W.S. Lai, B. X. Liu, “Point defect properties in hcp and bcc Zr with trace solute Nb revealed by ab initio calculations”, Journal of Nuclear Materials, 393(1), (2009) 197-202
5. B. Yang, W.S. Lai, “Molecular dynamics study of stability of solid solutions and amorphous phase in the Cu-Al system”, Chinese Physics Letters 26 (6), (2009) 066103
6. M.J. Yang, W.S. Lai, F. Pan, "Elastic Modulus and Hardness of Cr-Nb Nano-Multilayers", Chinese Physics Letters, 24 (9) (2007) 2635-2638.
7. W.S. Lai, M.J. Yang, “Observation of largely enhanced hardness and unchanged modulus in nano-multilayers of the Ag-Nb system with positive enthalpy of formation” Applied Physics Letters,90, (2007) Art. No. 181917
8. N Gao, W.S.Lai , “Relative stability of amorphous phase versus solid solution in the Ni-Ti system revealed by molecular dynamics simulations” J. Phys. Condensed Matter 19(4) (2007) Art. No. 046213
9. N Gao, W.S. Lai , “Calculation of elastic constants of Ag/Pd superlattice thin films by molecular dynamics with many-body potentials” Chinese Physics Letters 23 (11) (2006) 2913-2916.
10. W.S. Lai, Y.N. Osetsky, D.J. Bacon, “Point-defect properties of, and sputtering events in, the {001} surfaces of Ni3Al. II. Sputtering events at and near surfaces”, Philosophical 85 (16) (2005) 1687-1700.
11. W.S. Lai, X.S. Zhao, "Strain-induced elastic moduli softening and associated fcc « bcc transition in iron",Applied Physics Letters, (19) (2004) 4340-4342.
12. W.S. Lai, A.V. Barashev, D.J. Bacon, "Multiscale modeling of surface sputtering in a scanningtransmission electron microscope",Physical Review B, 70(19) (2004) 195429.
13. W.S. Lai, Y.N. Osetsky, D.J. Bacon, "Point-defect properties of, and sputtering events in, the {001} surfaces of Ni3Al - I. Surface and point-defect properties", Philosophical 84 (2)(2004) 173-191.
14. W.S. Lai and B.X. Liu, "Glass-forming ability of the Ni-Zr and Ni-Ti systems determined by interatomic potentials", J. Mater. Res. 16 (2001) 446-450.
15. W.S. Lai, Q. Zhang, B.X. Liu, and E. Ma, "Solubility criterion for sequential disordering in metal-metal multilayers upon solid-state reaction", Philos. Mag. Lett. 81 (2001) 45-53.
16. W.S. Lai, Q. Li, C. Lin and B.X. Liu, “Critical solid solubility of the Ni-Ti system determined by molecular-dynamics simulation and ion mixing”, Phys. Stat. Sol. (b) 227(2)(2001) 503-514.
17. W.S. Lai and B.X. Liu, "Lattice stability of some Ni-Ti alloy phases versus their chemical composition and disordering", J. Phys. Condensed Matter, 12 (2000) 53-60.
18. W.S. Lai et al., "Structural stability and amorphization transition in the Ni-Ti system studied by molecular dynamics simulation with an n-body potential", J. Phys. Soc. Japan, 69 (2000) 2903-2937.
19. W.S. Lai and B.X.Liu, "Influence of interfacial texture and asymmetric growth in diffusion-limited amorphization in Ni-Zr multilayers upon medium-temperature annealing", Phys. Rev. B. 58 (1998) 6063-6073.
20. W.S. Lai and B.X.Liu, "Evidence of diffusion-controlled vitrification in Ni/Zr bilayer at medium temperatures by molecular-dynamics simulation", Europhys. Lett., 39 (1997) 401-405.
【讲授课程】：
本科生必修课：《固体物理》(1999年、2000年春季学期，2007年起主讲固体物理B)
本科生必修课：《量子与统计》（2005年秋季学期始）
本科生限选课：《计算材料学》（2007年春季学期始）
【研究组成员】
硕士生: 赵宇新（09）、柴茂盛（09）、武天宇（10)、罗小丰（11)
【毕业生去向】
高宁，2007.7, 论文:"Ni-Ti亚稳相稳定性和Ag/Pd多层膜力学性能的分子动力学研究", 去向: PSI,Switzerland (读博)
杨孟锦，2008.1,论文:"Nb-Ag和Nb-Cr纳米多层膜的力学性能研究", 去向: University of Pittsburgh, Pennsylvania, USA(读博)
于娟娟，2008.1,论文:"若干材料表面溅射的分子动力学研究", 工作去向:北京
杨斌，2009.1，论文：“Cu-Al和Pd-Ti系统多体势的构建及在相稳定研究中的应用”，去向：保洁公司北京研发部
辛绪凯，2009.7，论文：“Zr-Nb合金点缺陷性能的第一性原理计算和分子动力学模拟”，去向：Iowa State University, Iowa, USA(读博)
秦博，2010.7，论文：“Cu-Ti(-Zr)系统中玻璃转变及马氏体相变的分子动力学模拟”，去向：北京市中国原子能研究院
欧诒典，2011.7，论文：“氧化钇中辐照缺陷形成及稳定性的第一性原理研究”，去向：东方电气股份有限公司(成都，总部)