A low-temperature ultrahigh-vacuum scanning tunneling microscope with rotatable magnetic field

We present a new design of a low-temperature ultrahigh-vacuum (UHV) scanning tunneling microscope setup with a combination of a solenoid and a split-pair magnet. The scanning tunneling microscope can be operated at temperatures down to 8 K and in a rotatable magnetic field of up to 1 T. Magnetic fie...

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Bibliographic Details
Published in:Review of scientific instruments 1997-10, Vol.68 (10), p.3806-3810
Main Authors: Wittneven, Chr, Dombrowski, R., Pan, S. H., Wiesendanger, R.
Format: Article
Language:English
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Summary:We present a new design of a low-temperature ultrahigh-vacuum (UHV) scanning tunneling microscope setup with a combination of a solenoid and a split-pair magnet. The scanning tunneling microscope can be operated at temperatures down to 8 K and in a rotatable magnetic field of up to 1 T. Magnetic fields of up to 7 T perpendicular and 2 T parallel to the sample surface can be applied. The UHV part of the system allows in situ preparation and low energy electron diffraction/Auger analysis of samples. First topographic and spectroscopic measurements on p -InAs(110) are presented.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1148031