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Article overview
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New applications for the world's smallest high-precision capacitance dilatometer and its stress-implementing counterpart | R. Kuchler
; R. Wawrzynczak
; H. Dawczak-Debicki
; J. Gooth
; S. Galeski
; | Date: |
3 Jan 2023 | Abstract: | We introduce a new stress dilatometer with exactly the same size and weight
as the world’s smallest miniature capacitance dilatometer (height x width x
depth = 15 mmx14 mmx15 mm, weight: 12 g). To develop this new device, only a
single part of the most recently developed mini-dilatometer, the so-called
’body’, needs to be replaced. Therefore, the new mini dilatometer with an
interchangeable body can be used for high-resolution measurements of thermal
expansion and magnetostriction with and without large stress. We also report
two novel applications of both mini-dilatometer cell types. Our new setup was
installed for the first time in a cryogen-free system (PPMS DynaCool). The
first new setup allows the rotation of both dilatometers in situ at any angle
between -90 deg > {mu} > +90 deg in the temperature range from 320 K to 1.8 K.
We also installed our mini-cells in a dilution refrigerator insert of a PPMS
DynaCool, in which dilatometric measurements are now possible in the
temperature range from 4 K to 0.06 K. Because of the limited sample space, such
measurements could not be performed so far. For both new applications, we can
resolve the impressive length changes to 0.01 A. | Source: | arXiv, 2301.01368 | Services: | Forum | Review | PDF | Favorites |
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