Selected Publications from the Past Three Years

1. S. Bossuyt, J. Schroers, W. K. Rhim, and W. L. Johnson, "Minimizing Convection Effects in Liquid Droplets During High-Temperature Electrostatic Levitation", Rev. Sci. Inst., 76 (3), Article No 033909, (2005).

2. H. Choi-Yim, R. D. Conner, and W. L. Johnson, "In-situ Composite Formation in the Ni-(Cu)-Ti-Zr-Si System", Scripta Met, 53 (1467-1470, (2005).

3. M. D. Demetriou and W. L. Johnson, "A Free-volume Model for the Rheology of Undercooled Zr41.25Ti13.75Cu12.5Ni10Be22.5 Liquid", Scripta Met, 52 (9), 833-837, (2005).

4. G. Duan, D. Xu, and W. L. Johnson, "High Copper Content in Bulk Glass Formation in Bimetallic Cu-Hf System", Metallurgical and Materials Transaction A, 36A (2), 455-458, (2005).

5. G. Duan, D. Xu, Q. Zhang, and G. Zhang, "Molecular Dynamics Study of the Binary Cu46Zr56 Metallic Glass Motivated by Experiments: Glass Formation and Atomic-level Structure", Phys. Rev. B, 71 (22), 224208, (2005).

6. V. D. Fil, D. V. Fil, Y. A. Avramenko, A. L. Gaiduk, and W. L. Johnson, "Surface Pinning in an Amorphous ZrTiCuNiBe Alloy", Phys. Rev. B, 71 (9), 092504, (2005).

7. W. L. Johnson and K. Samwer, "A Universal Criteria for Plastic Yielding of Metallic Glasses with a (T/Tg)2/3 Temperature Dependence", Phys Rev Lett, 95 (19), 195501, (2005).

8. K. B. Kim, S. Yi, H. Choi-Yim, J. Das, W. L. Johnson, and J. Eckert, "Interfacial Instability-driven Amorphization/Nanocrystallization in Bulk Ni45Cu5Ti33Zr16Si1 Alloy During Solidification", Physical Review B, 72 (9), 092102, (2005).

9. S. Mukherjee, W. L. Johnson, and W. K. Rhim, "Non-contact Measurement of High-temperature Surface Tension and Viscosity of Bulk Metallic Glass-forming Alloys Using the Drop Oscillation Technique", Appl. Phys. Lett., 86 (1), 014104, (2005).

10. S. Mukherjee, J. Schroers, W. L. Johnson, and W. K. Rhim, "Influence of Kinetic and Thermodynamic Factors on the Glass-forming Ability of Zirconium-based Bulk Amorphous Alloys", Phys. Rev. Lett., 94 (24), 245501, (2005).

11. J. Schroers, B. Lohwangwatana, W. L. Johnson, and A. Peker, "Gold Based Bulk Metallic Glass", Applied Physics Letters, 87 (6), 0619121, (2005).

12. X. P. Tang, J. F. Löffler, R. B. Schwarz, W. L. Johnson, and Y. Wu, "Structural Influence on Atomic Hopping and Electronic States of Pd-based Bulk Metallic Glasses", 86 (7), 072104-072101--072104-3, (2005).

13. D. Xu and W. L. Johnson, "Geometric Model for the Critical-value Problem of Nucleation Phenomena Containing the Size Effect of Nucleating Agent", Phys. Rev. B, 72 (5), 052101, (2005).

14. H. Choi-Yim, M. L. Tokarz, J. C. Bilello, and W. L. Johnson, "Structure and Properties of Ni60(Nb100-xTax)34Sn6 Bulk Metallic Glass Alloys", J. Non-Crystalline Solids, 352 (747-755, (2006).

15. H. Choi-Yim, D. Xu, and W. L. Johnson, "Structures and Properties of Bulk Glass Forming Ni-NB-Sn Alloys and Ni-Nb-Ta-Sn Alloys", Proc 12th International Conf. on Rapidly Quenched and Metastable Materials, Jeju, Korea, Elsevier; 187-190, (2006).

16. R. D. Conner and W. L. Johnson, "Composition Dependent Ductility in the Amorphous Zr-Ti-Ni-Cu-Be Alloy System", Scripta Materialia, 55 (645-648, (2006).

17. R. D. Conner, R. E. Maire, and W. L. Johnson, "Effect of Oxygen Concentration Upon Ductility of Amorphous Zr57Nb5Al10Cu15.4Ni12.6", Materials Science and Engineering A, 419 (1-2), 148-152, (2006).

18. M. D. Demetriou, J. S. Harmon, M. Tao, G. Duan, K. Samwer, and W. L. Johnson, "Cooperative Shear Model for the Rheology of Glass-Forming Metallic Liquids", Phys. Rev. Lett, 97 (6), 065502, (2006).

19. G. Duan, M. L. Lind, M. D. Demetriou, W. L. Johnson, W. A. Goddard III, T. Cagin, and K. Samwer, "Strong Configurational Dependence of Elastic Properties for a Binary Model Metallic Glass", Appl. Phys. Lett., 89 (15), 151901, (2006).

20. G. Duan, D. Xu, Q. Zhang, G. Zhang, T. Cagin, W. L. Johnson, and W. A. Goddard III, "Erratum: Molecular Dynamics Study of the Binary Cu46Zr54 Metallic Glass Motivated by Experiments: Glass Formation and Atomic-level Structure (vol 71, pg 224208, 2005)", Phys Rev B, 74 (1), 019901, (2006).

21. G. J. Fan, J. Li, W.-K. Rhim, D. C. Qiao, H. Choo, P. K. Liaw, and W. L. Johnson, "Thermophysical Properties of a Cu46Zr42Al7Y5 Bulk Metallic Glass-forming Liquid", Applied Phys. Lett., 88 (22), 221909, (2006).

22. D. C. Hoffman, G. Duan, and W. L. Johnson, "TEM Study of Structural Evolution in a Copper Mold Cast Cu46Zr54 Bulk Metallic Glass Sample", Scripta Met, 54 (1117-1122, (2006).

23. K. B. Kim, S. Yi, H. Choi-Yim, J. Das, W. Xu, W. L. Johnson, and J. Eckert, "Effect of Cu on Local Amorphization in Bulk Ni-Ti-Zr-Si Alloys During Solidification", Acta Materialia, 54 (11), 3141-3150, (2006).

24. J. Li, W. L. Johnson, and W. K. Rhim, "Thermophysical Properties of 90Ti-6Al-4V Measured by Electrostatic Levitation", subm. to J. Mat Res., (2006).

25. J. J. Z. Li, W. L. Johnson, and W.-K. Rhim, "Thermal Expansion of Liquid Ti-6Al-4V Measured ny Electrostatic Levitation", Applied Physics Lett., 89 (11), 111913, (2006).

26. M. L. Lind, G. Duan, and W. L. Johnson, "Isoconfigurational Elastic Constants and Liquid Fragility of a Bulk Metallic Glass Forming Alloy", Phys. Rev. Lett, 97 (015501, (2006).

27. B. Lohwangwatana, J. Schroers, and W. L. Johnson, "Strain Rate Induced Crystallization in Bullk Metallic Glass-Forming Liquid", Phys. Rev. Lett, 96 (7), 075503, (2006).

28. M. Tao, A. Chokshi, R. D. Conner, G. Ravichandran, and W. L. Johnson, "Deformation Mechanisms of Zr- Based Amorphous Alloys in Supercooled Liquid State", subm. to Acta Materialia, (2006).

29. D. Xu and W. L. Johnson, "Crystallization Kinetics and Glass-forming Ability of Bulk Metallic Glasses Pd40Cu30Ni10P20 and Zr41.2Ti13.8CU12.5Ni10Be22.5 from Classical Theory", Phys Rev. B, 74 (2), 024207, (2006).

30. Z. Zhou, C. Uher, D. Xu, W. L. Johnson, W. Gannon, and M. C. Aronson, "On the Existence of Einstein Oscillators and Thermal Conductivity in Bulk Metallic Glass", Appl Phys Lett, 89 (3), 031924, (2006).

31. M. Zink, K. Samwer, W. L. Johnson, and S. G. Mayr, "Plastic Deformation of Metallic Glasses: Size of Shear Transformation Zones from Molecular Dynamics Smulations", Phys Rev. B, 73 (17), 172203, (2006).

32. M. Zink, K. Samwer, W. L. Johnson, and S. G. Mayr, "Validity of Temperature and Frequency Equivalence in Metallic Glasses During Deformation", Phys Rev B, 74 (1), 012201, (2006).

33. M. D. Demetriou, G. Duan, C. Veazey, K. Deblauwe, and W. L. Johnson, "Amorphous Fe-based Metal Foam", Scripta Met, 57 (9-12, (2007).

34. M. D. Demetriou, J. C. Hanan, C. Veazey, M. Di Michiel, N. Lenior, E. Ustundag, and W. L. Johnson, "Yielding of Metallic Glass Foam by Percolation of an Elastic Buckling Instability", Advanced Materials, in press (2007).

35. M. D. Demetriou, C. Veazey, J. Schroers, J. C. Hanan, and W. L. Johnson, "Expansion Evolution During Foaming of Amorphous Metals", Proc. Intn'l. Conf. on Rapidly Quenched Metals (RQ12), Mat Sci and Engineering A; 863-867, (2007).

36. M. D. Demetriou, C. Veazey, J. Schroers, J. C. Hanan, and W. L. Johnson, "Thermo-plastic Expansion of Amorphous Metallic Foam", J. Alloys & Compounds, 435-435 (92-96, (2007).

37. G. Duan, M. L. Lind, A. Wiest, K. Deblauwe, and W. L. Johnson, "Thermal and Elastic Properties of Cu-Zr-Be Bulk Metallic Glass Forming Alloys", Applied Physics Lett, 90 (211901, (2007).

38. G. Duan, A. Weist, J. J. Z. Li, W.-K. Rhim, and W. L. Johnson, "Thermoplastically Processable Amorphous Metals", subm. to Nature Materials, (2007).

39. J. S. Harmon, M. D. Demetriou, and W. L. Johnson, "Aneleastic to Plastic Transition in Metallic Glass-Forming Liquids", subm. to Phys Rev Lett, (2007).

40. J. S. Harmon, M. D. Demetriou, and W. L. Johnson, "Rheology and Ultrasonic Properties of Pt57.5Ni5.3Cu14.7P22.5 Liquid", Applied Physics Lett, 90 (17), 171923, (2007).

41. J. S. Harmon, M. D. Demetriou, W. L. Johnson, and M. Tao, "Deformation of Glass Forming Metallic Liquids: Configuration Changes and their Relation to Elastic Softening", Appl. Phys. Lett, 90 (13), 131912, (2007).

42. D. C. Hoffman, J.-Y. Suh, A. Wiest, G. Duan, M. L. Lind, M. D. Demetriou, and W. L. Johnson, "An Engineering Metallic Glass", subm. to Science, (2007).

43. W. L. Johnson, M. D. Demetriou, J. S. Harmon, M. L. Lind, and K. Samwer, "Rheology and Ultrasonic Properties of Metallic Glass-forming Liquids: a Potential-Energy-Landscape Perspective", MRS Bulletin, in press (2007).

44. S.-Y. Lee, C. P. Kim, J. D. Almer, U. Lienert, E. Üstündag, and W. L. Johnson, "Psuedo-binary Phase Diagrams for Zr-based in situ ? Phase Composites", J. Mat. Res., 22 (2), 538-543, (2007).

45. J. Schroers, B. Lohwangwatana, W. L. Johnson, and A. Peker, "Precious Bulk Metallic Glasses for Jewelry Applications", Proc. RQ12, Korea, Materials Science and Engineering A; 235-238, (2007).

Thesis by group members
1. C. Veazey, "Amorphous Metallic Foam: Synthesis and Mechanical Properties", California Institute of Technology, (2007).

2. B. Lohwongwatana, "Development, Characterization and Applications of Gold and Platinum Bulk Metallic Glass", California Institute of Technology, (2007).

3 J. Harmon, "Experimental Studies of Elasticity, Plastic Flow, and Anelasticity in Metallic Glass Forming Liquids", California Institute of Technology, (2007).

4. S.-Y. Lee, "Deformation Mechanisms of Bulk Metallic Glass Matrix Composites", California Institute of Technology, (2005).

5. D. Xu, "Development of Novel Binary and Multi-component Bulk Metallic Glasses", California Institute of Technology, (2005).

6. S. Mukherjee, "Study of Thermophysical Properties and Crystallization Behavior of Bulk Metallic Glasses using Electrostatic Levitation", California Institute of Technology, (2005).

Undergraduate Thesis
1 . Kruck Natalie A. and Maire, R. E., "Using a Torsional Pendulum to Measure the Shear Modulus of Vitreloy 1 Tubes and Rods", Materials Science, (2006).