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35. D. Lee, G. Ahn and S. Ryu,*
"Two-Dimensional Water Diffusion at a Graphene-Silica Interface",
J. Am. Chem. Soc. 136, 6634 (2014); [Link] [PDF]
34. Y. Kim, D. Cho, S. Ryu and C. Lee,
"Tuning Doping and Strain in Graphene by Microwave-Induced Annealing",
Carbon 67, 673 (2014); [Link] [PDF]
33. J. Hong, M. K. Park, E. J. Lee, D. Lee, D. S. Hwang and S. Ryu,*
"Origin of New Broad Raman D and G Peaks in Annealed Graphene",
Sci. Rep. 3, 2700 (2013); [Link] [PDF]
32. S. W. Han, Y. H. Hwang, S.-H. Kim, W. S. Yun, J. D. Lee, M. G. Park, S. Ryu, J. S. Park, D.-H. Yoo, S.-P. Yoon, S. C. Hong, K. S. Kim, and Y. S. Park,
"Controlling Ferromagnetic Easy Axis in a Layered MoS2 Single Crystal",
Phys. Rev. Lett. 110, 247201 (2013); [Link] [PDF]
31. G. Ahn , H. R. Kim , T. Y. Ko , K. Choi , K. Watanabe , T. Taniguchi , B. H. Hong , and S. Ryu,*
"Optical Probing of the Electronic Interaction between Graphene and Hexagonal Boron Nitride",
ACS Nano 7, 1533 (2013); [Link] [PDF]
30. S.-W. Min, H. S. Lee, H. J. Choi, M. K. Park, T. Nam, H. Kim, S. Ryu and S. Im,
"Nanosheet Thickness-Modulated MoS2 Dielectric Property Evidenced by Field-Effect Transistor Performance",
Nanoscale 5, 548 (2013); [Link] [PDF]
29. M. J. Lee, J. S. Choi, J.-S. Kim, I.-S. Byun, D. H. Lee, S. Ryu, C. Lee, and B. H. Park,
"Characteristics and Effects of Diffused Water Between Graphene and a SiO2 Substrate",
Nano Res. 5, 710 (2012); [Link] [PDF]
28. H. S. Lee, S.-W. Min, M. K. Park, Y. T. Lee, P. J. Jeon, J. H. Kim, S. Ryu and S. Im,
" MoS2 Nanosheets for Top-Gate Nonvolatile Memory Transistor Channel",
Small 8, 3111 (2012); [Link] [PDF]
27. S. W. Han, G.-B. Cha, E. Frantzeskakis, I. Razado-Colambo, J. Avila, Y. S. Park, D. Kim, J. Hwang, J. S. Kang, S. Ryu, W. S. Yun, S. C. Hong, and M. C. Asensio,
"Band-Gap Expansion in the Surface-Localized Electronic Structure of MoS2(0002)",
Phys. Rev. B 86, 115105 (2012); [Link] [PDF]
26. J. E. Lee, G. Ahn, J. Shim, Y. S. Lee, and S. Ryu,*
"Optical Separation of Mechanical Strain from Charge Doping in Graphene",
Nature Commun. 3, 1024 (2012); [Link] [PDF]
25. H. S. Lee, S. Min, Y. Chang, M. K. Park, T. Nam, H. Kim, J. H. Kim, S. Ryu, and S. Im,
“MoS2 Nanosheet Phototransistors with Thickness-Modulated Optical Energy Gap”,
Nano Lett. 12, 3695 (2012); [Link] [PDF]; 98 times cited
24. G. Ahn, H. R. Kim, B. H. Hong, and S. Ryu,*
“Raman Spectroscopy Study on the Reactions of UV-Generated Oxygen Atoms with Single-Layer Graphene on SiO2/Si Substrates”,
Carbon Lett. 13, 34 (2012); [Link] [PDF]
23. J. Shim, C. H. Lui, T. Y. Ko, Y.-J. Yu, P. Kim, T. F. Heinz, and S. Ryu,*
“Water-Gated Charge Doping of Graphene Induced by Mica Substrates”,
Nano Lett. 12, 648 (2012); [Link] [PDF]; 31 times cited
22. H. Kwon, K. Hwang, J. Park, S. Ryu, and S. K. Kim,
“Electron Solvation and Solvation-Induced Crystallization of an Ammonia Film on Ag(111) Studied by 2-Photon Photoemission”,
Phys. Chem. Chem. Phys. 13, 17785 (2011); [Link] [PDF]
21. S. W. Han, H. Kwon, S. K. Kim, S. Ryu, W. S. Yun, D. H. Kim, J. H. Hwang, J.-S. Kang, J. Baik, H. J. Shin, and S. C. Hong,
“Band-Gap Transition Induced by Interlayer van der Waals Interaction in MoS2”,
Phys. Rev. B 84, 045409 (2011); [Link] [PDF]; 53 times cited
20. S. Ryu,* J. Maultzsch, M. Y. Han, P. Kim, and L. E. Brus,
“Raman Spectroscopy of Lithographically Patterned Graphene Nanoribbons”,
ACS Nano 5, 4123 (2011); [Link] [PDF]; 44 times cited
19. S. Ryu, Li Liu, S. Berciaud, Y.-J. Yu, H. Liu, P. Kim, G. W. Flynn, and L. E. Brus,
“Atmospheric Oxygen Binding and Hole Doping in Deformed Graphene on a SiO2 Substrate”,
Nano Lett. 10, 4944 (2010); [Link] [PDF]; 166 times cited
18. J. Song, T. Y. Ko, and S. Ryu,*
“Raman Spectroscopy Study of Annealing-Induced Effects on Graphene Prepared by Micromechanical Exfoliation”,
Bull. Korean Chem. Soc. 31, 2679 (2010); [Link] [PDF]
17. C. Lee, H. Yan, L. E. Brus, T. F. Heinz, J. Hone, and S. Ryu,*
“Anomalous Lattice Vibrations of Single- and Few-Layer MoS2”,
ACS Nano 4, 2695 (2010); [Link] [PDF]; 258 times cited
16. S. Vukelic, P. Kongsuwan, S. Ryu and Y. L. Yao,
"Ultrafast Laser Induced Structural Modification of Fused Silica—Part II: Spatially Resolved and Decomposed Raman Spectral Analysis",
J. Manuf. Sci. E. 132, 061013 (2010); [Link] [PDF]
15. H. Liu, S. Ryu, Z. Chen, M. L. Steigerwald, C. Nuckolls, and L. E. Brus,
“Photochemical Reactivity of Graphene”,
J. Am. Chem. Soc. 131, 17099 (2009); [Link] [PDF]; 109 times cited
14. Y.-J. Yu, Y. Zhao, S. Ryu, L. E. Brus, K. S. Kim, and P. Kim,
“Tuning the Graphene Work Function by Electric Field Effect”,
Nano Lett. 9, 3430 (2009); [Link] [PDF]; 229 times cited
13. E. Stolyarova, D. Stolyarov, K. Bolotin, S. Ryu, L. Liu, K. T. Rim, M. Klima, M.Hybertsen,
I. Pogorelsky, I. Pavlishin, K. Kusche, J. Hone, P. Kim, H. L. Stormer, V. Yakimenko, and G. Flynn,
“Observation of Graphene Bubbles and Effective Mass Transport under Graphene Films”,
Nano Lett. 9, 332 (2009); [Link] [PDF]; 53 times cited
12. S. Berciaud, S. Ryu, L. E. Brus, and T. F. Heinz,
“Probing the Intrinsic Properties of Exfoliated Graphene: Raman Spectroscopy of Free-Standing Monolayers”,
Nano Lett. 9, 346 (2009); [Link] [PDF]; 130 times cited
11. S. Ryu, M. Y. Han, J. Maultzsch, M. L. Steigerwald, T. F. Heinz, P. Kim, and L. E. Brus,
“Reversible Basal Plane Hydrogenation of Graphene”,
Nano Lett. 8, 4597 (2008); [Link] [PDF]; 259 times cited
10. L. Liu,+ S. Ryu,+ M. R. Tomasik, E. Stolyarova, N. J. Jung, M. S. Hybertsen, M. L. Steigerwald, L. E. Brus, and G. W. Flynn,
“Graphene Oxidation: Thickness Dependent Etching and Strong Chemical Doping”,
Nano Lett. 8, 1965 (2008) (+equal authorship); [Link] [PDF]; 259 times cited
9. J. S. Lee, S. Ryu, K. Yoo, J. Kim , I. S. Choi, and W. S. Yun,
“Local Inhomogeneity in Gate Hysteresis of Carbon Nanotube Field-effect Transistors Investigated by Scanning Gate Microscopy”,
Ultramicroscopy 108, 1045 (2008); [Link] [PDF]
8. E. Stolyarova, K. T. Rim, S. Ryu, J. Maultzsch, P. Kim, L. E. Brus, T. F. Heinz, M. S. Hybertsen, and G. W. Flynn,
“High-resolution Scanning Tunneling Microscopy Imaging of Mesoscopic Graphene Sheets on an Insulating Surface”,
Proc. Natl. Acad. Sci. USA 104, 9209 (2007); [Link] [PDF]; 263 times cited
7. J. S. Lee, S. Ryu, K. Yoo, I. S. Choi, W. S. Yun, and J. Kim,
“Origin of Gate Hysteresis in Carbon Nanotube Field-Effect Transistors”,
J. Phys. Chem. C 111, 12504 (2007); [Link] [PDF]; 46 times cited
6. S. Ryu, J. Chang, H. Kwon, and S. K. Kim,
“Dynamics of Solvated Electron Transfer in Thin Ice Film Leading to a Large Enhancement in Photodissociation of CFCl3”,
J. Am. Chem. Soc. 128, 3500 (2006); [Link] [PDF]
5. S. Ryu, J. Chang, and S. K. Kim,
“Hot Electrons at Metal-organic interface: Time-resolved Two Photon Photoemission Study of Phenol on Ag(111)”,
J. Vac. Sci. Technol. A 24, 1454 (2006); [Link] [PDF]
4. S. Ryu, J. Chang, and S. K. Kim,
“Interfacial Electron Dynamics and Hot-electron-driven Surface Photochemistry of Carbon Tetrachloride on Ag(111)”,
J. Chem. Phys. 123, 114710 (2005); [Link] [PDF]
3. J. Lee,+ S. Ryu,+ J. Chang, S. Kim, and S. K. Kim,
“Direct Observation of an Intermediate State for a Surface Photochemical Reaction Initiated by Hot Electron Transfer”,
J. Phys. Chem. B 109, 14481 (2005) (+equal authorship); [Link] [PDF]
2. J. Lee, S. Ryu, J. S. Ku, and S. K. Kim,
“Charge Transfer Photodissociation of Phenol on Ag(111)”,
J. Chem. Phys. 115, 10518 (2001); [Link] [PDF]
1. J. Lee, S. Ryu, and S. K. Kim,
“The Adsorption and Photochemistry of Phenol on Ag(111)”,
Surf. Sci. 481, 163 (2001); [Link] [PDF]
*Updated in May 2014