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  A uniaxial stress capacitive dilatometer for high-resolution thermal expansion and magnetostriction under multiextreme conditions

Küchler, R., Stingl, C., & Gegenwart, P. (2016). A uniaxial stress capacitive dilatometer for high-resolution thermal expansion and magnetostriction under multiextreme conditions. Review of Scientific Instruments, 87(7): 073903, pp. 1-8. doi:10.1063/1.4958957.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-9343-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-AD4B-C
Genre: Journal Article

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 Creators:
Küchler, R.1, Author              
Stingl, C.2, Author
Gegenwart, P.2, Author
Affiliations:
1Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
2External Organizations, ou_persistent22              

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 Abstract: Thermal expansion and magnetostriction are directional dependent thermodynamic quantities. For the characterization of novel quantum phases of matter, it is required to study materials under multi-extreme conditions, in particular, down to very low temperatures, in very high magnetic fields or under high pressure. We developed a miniaturized capacitive dilatometer suitable for temperatures down to 20 mK and usage in high magnetic fields, which exerts a large spring force between 40 to 75 N on the sample. This corresponds to a uniaxial stress up to 3 kbar for a sample with cross section of (0.5 mm)(2). We describe design and performance test of the dilatometer which resolves length changes with high resolution of 0.02 angstrom at low temperatures. The miniaturized device can be utilized in any standard cryostat, including dilution refrigerators or the commercial physical property measurement system. Published by AIP Publishing.

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 Dates: 2016-07-252016-07-25
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: ISI: 000382448600029
DOI: 10.1063/1.4958957
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Title: Review of Scientific Instruments
Source Genre: Journal
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Publ. Info: Melville, NY : AIP Publishing
Pages: - Volume / Issue: 87 (7) Sequence Number: 073903 Start / End Page: 1 - 8 Identifier: ISSN: 0034-6748
CoNE: https://pure.mpg.de/cone/journals/resource/991042742033452