High-performance SPM operation at low temperatures and high magnetic fields puts stringent requirements on instrument design. With the Cryogenic series, Omicron has developed a stable and multifunctional platform for delicate experimental conditions.
Furthermore, the reduced surface diffusion allows for atom manipulation including measurements of the involved forces and the systematic study of the adsorption behavior of selected atoms and molecules.
These properties of a low temperature SPM system in combination with high magnetic fields open up the access to a larger variety of measurements like Magnetic Force Microscopy, Magnetic Exchange Force Microscopy or Spin Polarized Scanning Tunneling Micro-scopy and –Spectroscopy.
SPM operation at cryogenic temperatures is a well-established technique and known to be key to observation of topography and electronic structure of atoms, clusters, molecules, islands and surfaces in general. A small lateral and vertical drift as well as the reduced thermal energy broadening of the local density of states at low temperatures are ideal pre-conditions for long term spectroscopy experiments.