Experimental and Theoretical Surface Physics<\/strong><\/p>\n My research is focused on the microscopic and nanoscopic dynamical and magnetic properties of solid surfaces and ultra-thin films. The experimental techniques utilized by my group involve the elastic and inelastic scattering of thermal monochromatic helium atomic beams from clean surfaces and in situ-grown ultra-thin films. In addition to the experimental studies, we have developed large-scale computational and theoretical models to reveal the physics behind observed experimental findings. In addition, we have studied nonlinear properties of surfaces manifested in soliton-like structures and their dynamics in systems such as gold, dynamics of structural phase transitions during the growth of metallic ultra-thin films such as palladium on niobium, quantum localizationdelocalization transition of hydrogen on metallic closed-pack surfaces, surface extraordinary antiferromagnetic transition on NiO surfaces, anomalous antiferromagnetic moments with temperature increase on CoO surfaces, and temperature-dependent structural anomalies on multiferroic surfaces.<\/p>\n Measurement of the phason dispersion of misfit dislocations on the Au(111) surface\u201d, E. M. McIntosh, P. R. Kole, M. El-Batanouny, D. M. Chisnall, J. Ellis, and W. Allison,\u00a0<\/span>Phys. Rev. Lett.<\/em>\u00a0<\/span>110<\/strong>, 086103 (2013).<\/p>\n \u201cElectron-phonon Coupling on the Surface of the Topological Insulator Bi2Se3: Determined from Surface Phonon Dispersion Measurements\u201d, Xuetao Zhu, L. Santos, C. Howard, R. Sankar, F. C. Chou, C. Chamon and M. El-Batanouny,\u00a0<\/span>Phys. Rev. Lett.<\/em>\u00a0<\/span>108<\/strong>, 185501 (2012).<\/p>\n \u201cInteraction of Phonons and Dirac Fermions on the Surface of Bi2Se3: A Strong Kohn Anomaly, and associated Online Supplementary Material\u201d, Xuetao Zhu, L. Santos, R. Sankar, S. Chikara , C. Howard, F. C. Chou, C. Chamon and M. El-Batanouny,\u00a0<\/span>Phys. Rev. Lett.<\/em>\u00a0<\/span>107<\/strong>, 186102 (2011).<\/p>\n \u201cFrozen spin-wave structure on the NiO(100) surface observed by metastable He-23S scattering\u201d, A. Swan, M. Marynowski, W. Franzen, M. El-Batanouny, and K. M. Martini,\u00a0<\/span>Phys. Rev. Lett.<\/em>\u00a0<\/span>71<\/strong>, 1250 (1993).<\/p>\n \u201cEvidence of Quantum Motion of Hydrogen on Pd(111) Surface in He-Diffraction Data\u201d, C.-H. Hsu, B. L. Larson, M. El-Batanouny, C. R. Willis, and K. M. Martini, ,\u00a0<\/span>Phys. Rev. Lett.<\/em>\u00a0<\/span>66<\/strong>, 3164 (1991).<\/p>\nSelected Publications:<\/h3>\n