


Electric Magnetic Field Mapping
4D-Scanning Precession Electron Diffraction (4D-SPED) in TEM is an advanced technique for high-resolution materials characterization, enabling precise orientation, phase, and strain mapping. By scanning the electron beam and capturing diffraction patterns at each point, it reveals local electric and magnetic fields. Enhanced by controlled beam precession, it delivers accurate, low-noise data for analyzing modern materials and nanoscale devices.