Ricerc@Sapienza

• XPS hemispherical electron analyser: VG Microtech Clam-2, pass-energy range: 10-200 eV, single-channel detector;
• XPS photon source: PSP double-anode X-ray source, emission lines AlKα (1486.6 eV) MgKα (1253.6 eV);
• XPS UHV manipulator: 4-degrees of freedom, cryostat (>77 K), electron-bombardment heater (≤1200 K);
• Low-Energy Electron Diffraction (LEED): Omicron SpectaLEED system, with LEED and Auger modules;
• Ion Gun: Omicron ISE10 0.2-5 keV energy range, Ar ion source;

• ARPES hemispherical electron analyser: Scienta SES-200, 4 meV best energy resolution, <0.1◦ angular resolution, 1-50 eV pass-energy range, multi-channel detector (MCD, ±8◦ angular span and 10% of pass-
energy energy span);

• ARPES photon source: Omicron-Scienta VUV-5000 monochromatised MW-excited He source, main lines HeIα at 21.218 eV and HeIIα at 40.814 eV, up to HeIIδ at 52.241 eV;