Heating-assisted atom transfer inthe scanning tunneling microscope

1 9 Se p 19 97 Heating - Assisted Atom Transfer in the Scanning Tunneling Microscope

The effect of the environmental interactions on the localization probability for a Xe atom trapped in the surface-tip junction of the scanning tunneling microscope is studied in the frame of a stochastic, non-linear Liouville equation for the density operator. It is shown that the irreversible transfer from surface to tip may be explained by thermal decoherence rather than by the driving force ...

Simulating Scanning Tunneling Microscope

Atom-by-atom extraction using the scanning tunneling microscope tip-cluster interaction.

We investigate the atomistic details of a single atom-extraction process realized by using the scanning tunneling microscope tip-cluster interaction on a Ag(111) surface at 6 K. Single atoms are extracted from a silver cluster one atom at a time using small tunneling biases less than 35 mV. Combined total energy calculations and molecular dynamics simulations show a lowering of the atom-extract...

Scanning Quantum Cryogenic Atom Microscope

Microscopic imaging of local magnetic fields provides a window into the organizing principles of complex and technologically relevant condensed-matter materials. However, a wide variety of intriguing strongly correlated and topologically nontrivial materials exhibit poorly understood phenomena outside the detection capability of state-of-the-art high-sensitivity high-resolution scanning probe m...

Scanning tunneling microscope for magneto-optical imaging

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