2018
DOI: 10.1111/jmi.12717
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An entirely enclosed scanning tunnelling microscope capable of being fully immersed in liquid helium

Abstract: We present an ultrahigh-vacuum (UHV)-sealed high-stability scanning tunnelling microscope (STM) that can be entirely immersed in liquid helium and readily used in a commercial Dewar or superconducting magnet. The STM head features a horizontal microscanner that can become standalone and ultrastable when the coarse approach inertial motor retracts. Low voltage is enough to operate the STM even at low temperature owing to the powerful motor. It is housed in a tubular chamber of 49 mm outer diameter, which can be… Show more

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Cited by 4 publications
(1 citation statement)
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“…Vibrations and acoustic disturbances can affect atomic imaging so using an STM in a hybrid magnet, a water-cooled magnet, or other superconducting magnets remains a big challenge. Therefore, many STMs are housed in a liquid helium bath cryostat, [9][10][11] which has lower vibration. The cryostats, on the other hand, require a considerable volume of liquid helium to keep the device working.…”
Section: Introductionmentioning
confidence: 99%
“…Vibrations and acoustic disturbances can affect atomic imaging so using an STM in a hybrid magnet, a water-cooled magnet, or other superconducting magnets remains a big challenge. Therefore, many STMs are housed in a liquid helium bath cryostat, [9][10][11] which has lower vibration. The cryostats, on the other hand, require a considerable volume of liquid helium to keep the device working.…”
Section: Introductionmentioning
confidence: 99%