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  A tunable stress dilatometer and measurement of the thermal expansion under uniaxial stress of Mn3Sn

Ikhlas, M., Shirer, K. R., Yang, P.-Y., Mackenzie, A. P., Nakatsuji, S., & Hicks, C. W. (2020). A tunable stress dilatometer and measurement of the thermal expansion under uniaxial stress of Mn3Sn. Applied Physics Letters, 117(23): 233502, pp. 1-6. doi:10.1063/5.0029198.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-A9C4-D Version Permalink: http://hdl.handle.net/21.11116/0000-0007-DF65-D
Genre: Journal Article

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 Creators:
Ikhlas, Muhammad1, Author
Shirer, Kent R.2, Author              
Yang, Po-Ya2, Author              
Mackenzie, Andrew P.3, Author              
Nakatsuji, Satoru1, Author
Hicks, Clifford W.4, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
3Andrew Mackenzie, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863463              
4Clifford Hicks, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863466              

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 Abstract: We present a method for measuring thermal expansion under tunable uniaxial stresses and show measurements of the thermal expansion of Mn3Sn, a room temperature antiferromagnet that exhibits a spontaneous Hall effect, under uniaxial stresses of up to 1.51GPa compression. The measurement of thermal expansion provides thermodynamic data about the nature of phase transitions, and uniaxial stress provides a powerful tuning method that does not introduce disorder. Mn3Sn exhibits an anomaly in its thermal expansion near similar to 270K, associated with a first-order change in its magnetic structure. We show that this transition temperature is suppressed by 54.6K by 1.51GPa compression along [0001]. We find the associated entropy change at the transition to be similar to 0.1J mol(-1) K-1 and to vary only weakly with applied stress.

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Language(s): eng - English
 Dates: 2020-12-092020-12-09
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000598488000002
DOI: 10.1063/5.0029198
 Degree: -

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Title: Applied Physics Letters
  Abbreviation : Appl. Phys. Lett.
Source Genre: Journal
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Publ. Info: Melville, NY : American Institute of Physics
Pages: - Volume / Issue: 117 (23) Sequence Number: 233502 Start / End Page: 1 - 6 Identifier: ISSN: 0003-6951
CoNE: https://pure.mpg.de/cone/journals/resource/954922836223