Sylvie Rangan -
Department of Physics and Astronomy and Laboratory for Surface Modification, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854-8019, United States
Charles Ruggieri -
Department of Physics and Astronomy and Laboratory for Surface Modification, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854-8019, United States
Robert Bartynski -
Department of Physics and Astronomy and Laboratory for Surface Modification, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854-8019, United States
José Ignacio Martínez -
Department of Surfaces, Coatings and Molecular Astrophysics, Institute of Materials Science of Madrid (ICMM-CSIC), Sor Juana Inés de la Cruz 3, ES-28049 Madrid, Spain
Fernando Flores -
Departamento de Física Teórica de la Materia Condensada and Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, ES-28049 Madrid, Spain
José Ortega -
Departamento de Física Teórica de la Materia Condensada and Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, ES-28049 Madrid, Spain