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  Structure and electrical resistivity of mixed-valent EuNi2P2 at high pressure

Medvedev, S. A., Naumov, P., Barkalov, O., Shekhar, C., Palasyuk, T., Ksenofontov, V., et al. (2014). Structure and electrical resistivity of mixed-valent EuNi2P2 at high pressure. Journal of Physics: Condensed Matter, 26: 335701, pp. 1-5. doi:10.1088/0953-8984/26/33/335701.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0023-CE78-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-D6E4-B
Genre: Journal Article

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 Creators:
Medvedev, S. A.1, Author              
Naumov, P.2, Author              
Barkalov, O.2, Author              
Shekhar, C.3, Author              
Palasyuk, T.4, Author
Ksenofontov, V.4, Author
Wortmann, G.4, Author
Felser, C.5, Author              
Affiliations:
1Sergiy Medvediev, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863438              
2Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
3Chandra Shekhar, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863428              
4External Organizations, ou_persistent22              
5Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: The structural properties and electrical resistivity of homogeneous mixed-valent EuNi2P2 are studied at pressures up to 45?GPa. No structural phase transition is observed in the whole pressure range and the overall pressure behavior of the structural parameters is similar to that of related compounds in the collapsed tetragonal ThCr2Si2-type structure. Electrical resistivity measured up to 31?GPa at temperatures between 4 and 300?K exhibits continuous changes from the behavior typical for a mixed-valent Eu system to that of a normal metallic system at pressures above 20?GPa, indicating a transition of the strongly mixed-valent Eu atoms with a valence ~2.5 towards a pure trivalent state. No superconductivity was observed in the whole studied pressure-temperature range.

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Language(s): eng - English
 Dates: 2014-07-242014-07-24
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1088/0953-8984/26/33/335701
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Title: Journal of Physics: Condensed Matter
Source Genre: Journal
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Publ. Info: Bristol : IOP Publishing
Pages: - Volume / Issue: 26 Sequence Number: 335701 Start / End Page: 1 - 5 Identifier: ISSN: 0953-8984
CoNE: https://pure.mpg.de/cone/journals/resource/954928562478