New design of a variable-temperature ultrahigh vacuum scanning tunneling microscope

Friedrich Gunther Mugele; A. Rettenberger; J. Boneberg; P. Leiderer

doi:10.1063/1.1148839

New design of a variable-temperature ultrahigh vacuum scanning tunneling microscope

Friedrich Gunther Mugele, A. Rettenberger, J. Boneberg, P. Leiderer

University of Twente

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Abstract

We present the design of a variable-temperature ultrahigh vacuum (UHV) scanning tunneling microscope which can be operated between 20 and 400 K. The microscope is mounted directly onto the heat exchanger of a He continuous flow cryostat without vibration isolation inside the UHV chamber. The coarse approach is performed with an inertial slider driven by the same piezo tube that is also used for scanning. The performance of the instrument is demonstrated by two different kinds of measurements: First we show topographic images of close packed metal surfaces with atomic resolution. Then, we present results from scanning tunneling spectroscopy measurements on WSe2 under illumination at variable temperatures

Original language	Undefined
Pages (from-to)	1765-1769
Journal	Review of scientific instruments
Volume	69
Issue number	4
DOIs	https://doi.org/10.1063/1.1148839
Publication status	Published - 1998

Keywords

IR-57269

Access to Document

10.1063/1.1148839

new_design

Cite this

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abstract = "We present the design of a variable-temperature ultrahigh vacuum (UHV) scanning tunneling microscope which can be operated between 20 and 400 K. The microscope is mounted directly onto the heat exchanger of a He continuous flow cryostat without vibration isolation inside the UHV chamber. The coarse approach is performed with an inertial slider driven by the same piezo tube that is also used for scanning. The performance of the instrument is demonstrated by two different kinds of measurements: First we show topographic images of close packed metal surfaces with atomic resolution. Then, we present results from scanning tunneling spectroscopy measurements on WSe2 under illumination at variable temperatures",

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