Design of a scanning gate microscope in a cryogen-free dilution refrigerator

Pelliccione, Matthew; Sciambi, Adam; Bartel, John; Keller, Andrew; Goldhaber-Gordon, David

doi:10.1063/1.4794767

Design of a scanning gate microscope in a cryogen-free dilution refrigerator

Nov, 2012

29 pages

Published in:

Rev.Sci.Instrum. 84 (2013) 033703

e-Print:

1211.6546 [physics.ins-det]

DOI:

10.1063/1.4794767

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Abstract: (arXiv)

We report on our design of a scanning gate microscope housed in a cryogen-free dilution refrigerator with a base temperature of 15 mK. The recent increase in efficiency of pulse tube cryocoolers has made cryogen-free systems popular in recent years. However, this new style of cryostat presents challenges for performing scanning probe measurements, mainly as a result of the vibrations introduced by the cryocooler. We demonstrate scanning with root-mean-square vibrations of 0.8 nm at 3 K and 2.1 nm at 15 mK in a 1 kHz bandwidth with our design.

Note:

29 pages, 10 figures

07.79.Lh
07.20.Mc

References(5)

Figures(10)

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