Theory of oscillations in the STM conductance resulting from subsurface defects (Review Article)
作者： Ye. S. Avotina , Yu. A. Kolesnichenko , J. M. van Ruitenbeek
DOI: 10.1063/1.3514417
关键词: Superconductivity 、 Condensed matter physics 、 Electron 、 Quantum interference 、 Fermi surface 、 Scanning tunneling microscope 、 Anisotropy 、 Magnetic field 、 Conductance 、 Physics
摘要: In this review we present recent theoretical results concerning investigations of single subsurface defects by means a scanning tunneling microscope (STM). These are based on the effect quantum interference between electron partial waves that directly transmitted through contact and scattered defect. particular, have shown possibility imaging defect position below metal surface STM. Different types been discussed: point-like magnetic nonmagnetic defects, clusters in host metal, s-wave superconductor. The Fermi anisotropy has analyzed. Also, strong field to STM conductance tunnel point presence presented.
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