1. Center for High Technology Materials (CHTM), University of New Mexico (UNM), Albuquerque, New Mexico 87106, United States
2. Group of Nanoscale Systems, Technische Universität Ilmenau, Gustav-Kirchhoff-Straße1, 98693 Ilmenau, Germany
3. Nano Analytik GmbH, Ehrenbergstr. 1, 98693 Ilmenau, Germany
4. Zyvex Laboratories, 1301 North Plano Road, Richardson, Texas 75081, United States
5. Department of Nanometrology, Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Janiszewskiego 11/17 Street, 50-372 Wroclaw, Poland