Publications of Christian Ratsch

1. J. Papac, F. Gibou, and C. Ratsch, Efficient Symmetric Discretization for the Poisson, Heat and Stefan-Type Problems with Robin Boundary Conditions, Journ. Comp. Phys. 229, 875 (2010). (click here for pdf)

2. J.M. Reich, X.B. Niu, Y.-J., R.E. Caflisch, and C. Ratsch, Lateral alloy segregation in thin heteroepitaxial films, Phys. Rev. B 79, 073405 (2009). (click here for pdf)

3. M.A. Saum, T.P. Schulze, and C. Ratsch, Inverted list kinetic Monte Carlo with rejection applied to directed self-assembly of epitaxial growth, Communication in Computational Physics 6, 553 (2009). (click here for pdf)

4. Ratsch, J. DeVita, and P. Smereka, A Levelset Simulation for the Strain-Driven Sharpening of the Island Size Distribution during Heteroepitaxy, submitted to Phys. Rev. B 80, 155309 (2009). (click here for pdf)

5. X. Niu, E. Uccelli, A. Fontcuberta i Morral, and C. Ratsch, A Level Set Simulation for Ordering of Quantum Dots via Cleaved-Edge Overgrowth, Appl. Phys. Lett. 95, 023119 (2009). (click here for pdf)

6. X. Niu, Y.-J. Lee, R.E. Caflisch, and C. Ratsch, Optimal Capping Layer Thickness for Stacked Quantum Dots, Phys. Rev. Lett. 101, 086103 (2008). (click here for pdf)

7. A.Fielicke, C. Ratsch, G. von Helden, and G. Meijer, The Far-Infrared Spectra of Neutral and Cationic Niobium Clusters: Nb5^0/+ to Nb9^0/+, Journ. Chem. Phys 127, 234306 (2007). (click here for pdf)

8. S.H. Lee, H.P. Gillis, and C. Ratsch, Roughening Mechanism for GaAs(100) Surfaces during ICP Etching , Appl. Phys. Lett. 88, 161916 (2006). (click here for pdf)

9. Dalla Volta, N. Gogneau, E. Pelucchi, A. Rudra, B. Dwir, E. Kapon, C. Ratsch, and D.D. Vvedensky, Step Ordering Induced by Nonplanar Patterning of GaAs Surfaces, Appl. Phys. Lett. 88 203104 (2006). (click here for pdf).

10. Z.M. Zhao, T.S. Yoon, W. Feng, B.Y. Li, J. H. Kim, J. Liu, O. Hulko, Y.H. Xie, H.M. Kim, K.B. Kim, H.J. Kim, K.L. Wang, C. Ratsch, R. Caflisch, D.Y. Ryu, and T.P. Russel, The challenges in guided self-assembly of Ge and InAs quantum dots on Si, Thin Solid Films 508, 195 (2006). (click here for pdf)

11. X. Niu, R. Vardavas, R.E. Caflisch, and C. Ratsch, A Level Set Simulation of Directed Self-Assembly during Epitaxial Growth, Phys. Rev. B, in press (2006).

12. C. Ratsch, A. Fielicke, A. Kirilyuk, J. Behler, M. Scheffler, G. von Helden, and G. Meijer, Structure Determination of Small Vanadium Clusters by Comparison of Density-Functional Theory Calculations with Experimental Far-Infrared Spectra , Journ. Chem. Phys. 122, 124302 (2005). (click here for pdf)

13. C. Ratsch, Y. Landa, and R. Vardavas, Lack of Scaling of Point Island Models in Submonolayer Epitaxy, Surface Science 578, 196 (2005). (click here for pdf)

14. Fielicke, C. Ratsch, G. von Helden, and G. Meijer, Isomer Selective Infrared Spectroscopy of Neutral Nb9 Clusters, Journ. Chem. Phys. 122, 091105 (2005). (click here for pdf)

15. Ratsch, J. Garcia, and R.E. Caflisch, The Influence of Edge Diffusion on the Growth Mode on Vicinal Surfaces, Appl. Phys. Lett. 87, 141901 (2005). (click here for pdf)

16. Fielicke, A. Kirilyuk, C. Ratsch, J. Behler, M. Scheffler, G. von Helden, and G. Meijer, Structure determination of isolated meatal clusters via far-infrared spectroscopy, Phys. Rev. Lett. 93, 023401 (2004). (click here for pdf)

17. R. Vardavas, C. Ratsch, and R.E. Caflisch, Submonolayer growth in the presence of defect sites studied by a level-set method, Surf. Science 569, 185 (2004). (click here for pdf)

18. R.E. Caflisch and C. Ratsch, Level Set Methods for Simulation of Thin Film Growth , in the Handbook of Materials Modeling, eds. R. Catlow, H. Shercliff, and S. Yip (Kluwer, 2004). (click here for pdf)

19. Ratsch and J.A. Venables, Nucleation Theory and the Early Stages of Thin Film Growth, Journal of Vacuum Science and Technology A - Vacuum Surfaces and Films, vol. 21, S96 (2003). (click here for pdf)

20. F. Gibou, C. Ratsch, and R.E. Caflisch, Capture Numbers and Scaling Laws for Epitaxial Growth, Phys. Rev. B 67, 155403 (2003). (click here for pdf)

21. D.D. Vvedensky, C. Ratsch, F. Gibou, and R. Vardavas, Singularities and Spatial Fluctuations in Submonolayer Epitaxy, Phys. Rev. Lett. 90, 189601 (2003). (click here for pdf)

22. M. Petersen, A. Zangwill, and C. Ratsch, Homoepitaxial Ostwald Ripening, Surf. Sci. 536, 55 (2003). (click here for pdf)

23. Ratsch, C. Anderson, R.E. Caflisch, L. Feigenbaum, D. Shaevitz, M. Sheffler, and C. Tiee, Multiple Domain Dynamics Simulated with Coupled Level Sets, Appl. Math. Lett. 16, 1165 (2003). (click here for pdf)

24. Ratsch, M.F. Gyure, R.E. Caflisch, F. Gibou, M. Petersen, M. Kang, J. Garcia, and D.D. Vvedensky, Phys. Rev. B. 65, 195403 (2002). (click here for pdf)

25. Barvosa-Carter, R.S. Ross, C. Ratsch, F. Grosse, J.H.G. Owen, and J.J. Zinck, Atomic scale structure of InAs(001)-(2x4) steady-state surfaces determined by scanning tunneling microscopy and density functional theory , Surf. Sci. 499, L129 (2002). (click here for pdf)

26. C. Ratsch, M. Kang, And R.E. Caflisch, Atomic size effects in continuum modeling, Phys. Rev. E 64, 020601 (2001). (click here for pdf)

27. C. Ratsch, Strain Induced change of Surface Reconstructions for InAs(001) , Phys. Rev. B 63, 161306(R) (2001). (click here for pdf)

28. S. Chen, M. Kang, B. Merriman, R.E. Caflisch, C. Ratsch, R. Fedkiw, M.F. Gyure, and S. Osher Level Set Method for Thin Film Epitaxial Growth, Journ. Comp. Phys. 167, 475 (2001). (click here for pdf)

29. Gibou, C. Ratsch, S. Chen, M.F. Gyure, and R.E. Caflisch Rate Equations and Capture Numbers with Implicit Island Correlation, Phys. Rev. B 63, 115401 (2001). (click here for pdf)

30. J.J. Zinck, R.S. Ross, W. Barvosa-Carter, F. Grosse, J.H.G. Owen, and C. Ratsch In-Situ Threshold Photoemission Yields Correlated to Surface Reconstructions of InAs(001) , Appl. Phys. Lett. 79, 2354 (2001). (clcik

here for pdf

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32. M. Petersen, C. Ratsch, R.E. Caflisch, and A. Zangwill, Level Set Approach to Reversible Epitaxial Growth , Phys. Rev. E 64, 061602 (2001). (click here for pdf)

33. C. Ratsch, W. Barvosa-Carter, F. Grosse, J.H.G. Owen, and J.J. Zinck Surface Reconstructions for InAs(001) Studied with DFT and STM , Phys. Rev. B 62, R7719 (2000). (click here for pdf)

34. C. Ratsch, M. Wheeler, and M.F. Gyure, Roughening due to Edge Diffusion for Irreversible Aggregation, Phys. Rev. B 62, 12636 (2000). (clcik here for pdf)

35. C. Ratsch, M.F. Gyure, S. Chen, M. Kang, and D.D. Vvedensky, Fluctuation and Scaling in Aggregation Phenomena, Phys. Rev. B 61, R10598 (2000). (clcik here for pdf)

36. R.E. Caflisch, W. E, M.F. Gyure, B. Merriman, and C. Ratsch, Kinetic Model for a Step Edge in Epitaxial Growth" Phys. Rev. E. 59, 6879 (1999) (clcik here for pdf)

37. R.E. Caflisch, M.F. Gyure, B. Merriman, S. Osher, C. Ratsch, D.D. Vvedensky, and J.J. Zinck, Island Dynamics and the Level Set Method for Epitaxial Growth, Applied Mathematics Letters 12, 13 (1999) (click here for pdf)

38. M.F. Gyure, J.J. Zinck, C. Ratsch, and D.D. Vvedensky, Unstable Growth on rough surfaces, Phys. Rev. Lett. 81, (1998). (click here for pdf)

39. M.F. Gyure, C. Ratsch, B. Merriman, R.E. Caflisch, S. Osher, J.J. Zinck, and D.D. Vvedensky Level Set Methods for the Simulation of Epitaxial Phenomena, Phys. Rev. E. 58, (1998). (click here for pdf)

40. C. Ratsch and M. Scheffler, Density Functional Theory Calculations of Hopping Rates of Surface Diffusion, Phys. Rev. B 58, (1998). (click here for pdf)

41. C. Ratsch, P. Ruggerone, and M. Scheffler, Study of strain and temperature dependence of metal epitaxy. In: ``Morphological Organisation during Epitaxial Growth and Removal'', Eds. Z. Zhang, M. Lagally. World Scientific, Singapore 1998. (click here for pdf)

42. C. Ratsch, A.P. Seitsonen, and M. Scheffler, Strain dependence of surface diffusion: Ag on Ag(111) and Pt(111). Phys. Rev. B 55, 6750-6753 (1997). (click here for pdf)

43. C. Ratsch, P. Ruggerone, and M. Scheffler, Density-functional theory of surface diffusion and epitaxial growth of metals. In: Surface Diffusion: Atomistic and Collective Processes, Ed. M. Tringides. Plenum Press, New York 1997, 83-103. (click here for pdf)

44. P. Ruggerone, C. Ratsch, and M. Scheffler, Density-functional theory of epitaxial growth of metals. In: Growth and Properties of Ultrathin Epitaxial Layers, Eds. D.A. King, D.P. Woodruff. The Chemical Physics of Solid Surfaces, Vol. 8. Elsevier Science, Amsterdam 1997, 490-544.(click here for pdf)

45. C. Ratsch, P. Smilauer, D.D. Vvedensky, and A. Zangwill, Mechanism for Coherent Island Formation during Heteroepitaxy, J. Phys. I 6, 575 (1996). (click here for pdf)

46. C. Ratsch, P. Smilauer, A. Zangwill, and D.D. Vvedensky, Submonolayer epitaxy without a critical nucleus, Surf. Sci. 329, L599 (1995). (click here for pdf)

47. D.D. Vvedensky, A. Zangwill, C.N. Luse, C. Ratsch, P. Smilauer, and M. R. Wilby, Scale Invariance in Epitaxial Growth, in Fluctuations and Order: The Ne w Synthesis, edited by M. Millonas (Springer, New York, 1995).

48. C. Ratsch, A. Zangwill, P. Smilauer, and D.D. Vvedensky, Saturation and Scaling of Epitaxial Island Densities, Phys. Rev. Lett. 72, 3194 (1994). (click here for pdf)

49. C. Ratsch, A. Zangwill, and P. Smilauer, Scaling of heteroepitaxial island sizes, Surf. Sci. 314, L937 (1994). (click here for pdf)

50. C. Ratsch, M.D. Nelson, and A. Zangwill, Theory of strained-layer epitaxial growth near step flow Phys. Rev. B 50, 14489 (1994). (click here for pdf)

51. D.D. Vvedensky, P. Smilauer, C. Ratsch, and A. Zangwill, From submonolayer scaling to multilayer instabilities during epitaxial growth, in Thin Film s and Phase Transitions on Surfaces, Proceedings of the EWSSW'94, Pamporovo, Bulgaria, 1994, edited by M. Michailov and L. Gutzow (Institute of Physical Chemistry, Bulgarian Academy of Sciences, Sofia, 1994).

52. C. Ratsch and A. Zangwill, Step-flow growth on strained surfaces, Appl. Phys. Lett. 63, 2348 (1993). (click here for pdf)

53. C. Ratsch and A. Zangwill, Equilibrium theory of the Stranski-Krastanov epitaxial morphology Surf. Sci. 293, 123 (1993). (click here for pdf)

54. A.A. Wheeler, C. Ratsch, A. Morales, H.M. Cox, and A. Zangwill, Dynamics of step flow in a model of heteroepitaxy, Phys. Rev. B 46, 2428 (1992). (click here for pdf)

55. C. Ratsch and A. Zangwill, Morphological stability of facet growth on nonplanar substrates, Appl. Phys. Lett. 58, 403 (1991). (click here for pdf)