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Tao W, Singh S, Rossi L, et al. A low-temperature scanning tunneling microscope capable of microscopy and spectroscopy in a Bitter magnet at up to 34 T. Rev Sci Instrum. 2017;88(9):093706doi: 10.1063/1.4995372.
Tao, W., Singh, S., Rossi, L., Gerritsen, J. W., Hendriksen, B. L. M., Khajetoorians, A. A., Christianen, P. C. M., Maan, J. C., Zeitler, U., & Bryant, B. (2017). A low-temperature scanning tunneling microscope capable of microscopy and spectroscopy in a Bitter magnet at up to 34 T. The Review of scientific instruments, 88(9), 093706. https://doi.org/10.1063/1.4995372
Tao, W, et al. "A low-temperature scanning tunneling microscope capable of microscopy and spectroscopy in a Bitter magnet at up to 34 T." The Review of scientific instruments vol. 88,9 (2017): 093706. doi: https://doi.org/10.1063/1.4995372
Tao W, Singh S, Rossi L, Gerritsen JW, Hendriksen BLM, Khajetoorians AA, Christianen PCM, Maan JC, Zeitler U, Bryant B. A low-temperature scanning tunneling microscope capable of microscopy and spectroscopy in a Bitter magnet at up to 34 T. Rev Sci Instrum. 2017 Sep;88(9):093706. doi: 10.1063/1.4995372. PMID: 28964167.
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Rev Sci Instrum. 2017 Sep;88(9):093706. doi: 10.1063/1.4995372.

A low-temperature scanning tunneling microscope capable of microscopy and spectroscopy in a Bitter magnet at up to 34 T.

The Review of scientific instruments

W Tao, S Singh, L Rossi, J W Gerritsen, B L M Hendriksen, A A Khajetoorians, P C M Christianen, J C Maan, U Zeitler, B Bryant

Affiliations

  1. High Field Magnet Laboratory (HFML-EMFL), Radboud University, 6525 ED Nijmegen, The Netherlands.
  2. Institute for Molecules and Materials, Radboud University, Nijmegen, The Netherlands.

PMID: 28964167 DOI: 10.1063/1.4995372

Abstract

We present the design and performance of a cryogenic scanning tunneling microscope (STM) which operates inside a water-cooled Bitter magnet, which can attain a magnetic field of up to 38 T. Due to the high vibration environment generated by the magnet cooling water, a uniquely designed STM and a vibration damping system are required. The STM scan head is designed to be as compact and rigid as possible, to minimize the effect of vibrational noise as well as fit the size constraints of the Bitter magnet. The STM uses a differential screw mechanism for coarse tip-sample approach, and operates in helium exchange gas at cryogenic temperatures. The reliability and performance of the STM are demonstrated through topographic imaging and scanning tunneling spectroscopy on highly oriented pyrolytic graphite at T = 4.2 K and in magnetic fields up to 34 T.

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