Model theory for scanning tunneling microscopy: application to Au (110)(1× 2)
A theory is presented for the scanning vacuum-tunneling microscopy experiments performed
by Binning et al. The tunnel current is obtained for different geometries and tip shapes.
Lateral resolutions are 4-8 Å for distances from the tip to the sample∼ 3.5-4.5 Å, effective tip
radii∼ 3-10 Å, 1-nA currents, and applied voltage∼ 0.01 eV. The Au (110)(1× 2) surface is
analyzed and the experimental results discussed.
by Binning et al. The tunnel current is obtained for different geometries and tip shapes.
Lateral resolutions are 4-8 Å for distances from the tip to the sample∼ 3.5-4.5 Å, effective tip
radii∼ 3-10 Å, 1-nA currents, and applied voltage∼ 0.01 eV. The Au (110)(1× 2) surface is
analyzed and the experimental results discussed.
Abstract
A theory is presented for the scanning vacuum-tunneling microscopy experiments performed by Binning et al. The tunnel current is obtained for different geometries and tip shapes. Lateral resolutions are 4-8 Å for distances from the tip to the sample∼ 3.5-4.5 Å, effective tip radii∼ 3-10 Å, 1-nA currents, and applied voltage∼ 0.01 eV. The Au (110)(1× 2) surface is analyzed and the experimental results discussed.
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