Vacuum-tunnelling spectroscopy on heavy-fermion compounds using a 
low-temperature tunnelling microscope

Goschke, Roland A.; Gloos, Kurt; Geibel, Christoph; Ekino, Toshikazu; Steglich, Frank

doi:10.1007/BF02583706

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Vacuum-tunnelling spectroscopy on heavy-fermion compounds using a low-temperature tunnelling microscope

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Citation

Goschke, R. A., Gloos, K., Geibel, C., Ekino, T., & Steglich, F. (1996). Vacuum-tunnelling spectroscopy on heavy-fermion compounds using a low-temperature tunnelling microscope. Czechoslovak journal of physics, 46, 797-798. doi:10.1007/BF02583706.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-E791-8

Abstract

Vacuum-tunnelling spectroscopy on superconducting heavy-fermion compounds should be a suitable method to gain information on the superconducting order parameter. We constructed a scanning-tunnelling microscope for the use in a dilution refrigerator. Its miniaturised design provides good thermal coupling of the sample and excellent mechanical stability, yielding atomic resolution. We present topographic and spectroscopic results on graphite (HOPG), as well as on classical and heavy-fermion superconductors.