ARPES (Angle-Resolved Photoemission Spectroscopy) measures the energy and momentum of electrons emitted from a material's surface when illuminated by photons, allowing researchers to map its electronic band structure and Fermi surface.
(Figure from Science Direct, Elsevier)
Synchrostron-based Spin and Angle-Resolved Photoemission Spectroscopy
4A2 beamline, Pohang Light Source
Technical Features
Energy Resolution < 5 meV
Angular Resolution ~ 0.01 degree
Temperature : 4 K ~ 400 K
Beam Size ~ 20 X 20 µm²
Full Polarization Control
Photon Energy Range : 25 - 1,000eV
11 eV -LASER-based Angle-Resolved Photoemission Spectroscopy with MBE
215, IBS POSTECH campus
Technical Features
Energy Resolution < 2 meV
Angular Resolution ~ 0.01 degree
Temperature : 6 K ~ 400 K
Beam Size ~ 70 X 70 µm²
Polarization Control
Photon Energy : 11 eV
He-discharge-lamp-based Angle-Resolved Photoemission Spectroscopy with MBE
015, Science Building IV, POSTECH
Technical Features
Energy Resolution < 5 meV
Angular Resolution ~ 0.01 degree
Temperature : 6 K ~ 400 K
Beam Size ~ 1 X 1 mm²
MBE Growth Available
Photon Energy Range : He I α (21.2 eV), He II (40.8 eV)
