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  Single crystal study of the heavy-fermion antiferromagnet CePt2In7

Tobash, P. H., Ronning, F., Thompson, J. D., Scott, B. L., Moll, P. J. W., Batlogg, B., et al. (2012). Single crystal study of the heavy-fermion antiferromagnet CePt2In7. Journal of Physics: Condensed Matter, 24(1): 015601. doi:10.1088/0953-8984/24/1/015601.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000B-7974-B Version Permalink: https://hdl.handle.net/21.11116/0000-000B-7977-8
Genre: Journal Article

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https://doi.org/10.1088/0953-8984/24/1/015601 (Publisher version)
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 Creators:
Tobash, P. H.1, Author
Ronning, F.1, Author
Thompson, J. D.1, Author
Scott, B. L.1, Author
Moll, P. J. W.1, Author
Batlogg, B.1, Author
Bauer, E. D.1, Author
Affiliations:
1external, ou_persistent22              

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 Abstract: We report the synthesis, structure, and physical properties of single crystals of CePt2In7. Single crystal x-ray diffraction analysis confirms the tetragonal I4/mmm structure of CePt2In7 with unit cell parameters a = 4.5886(6) Å, c = 21.530(6) Å and V = 453.32(14) Å3. The magnetic susceptibility, heat capacity, Hall effect and electrical resistivity measurements are all consistent with CePt2In7 undergoing an antiferromagnetic order transition at TN = 5.5 K, which is field independent up to 9 T. Above TN, the Sommerfeld coefficient of specific heat is γ ≈ 300 mJ mol−1 K−2, which is characteristic of an enhanced effective mass of itinerant charge carriers. The electrical resistivity is typical of heavy-fermion behavior and gives a residual resistivity ρ0 ∼ 0.2 µΩ cm, indicating good crystal quality. CePt2In7 also shows moderate anisotropy of the physical properties that is comparable to structurally related CeMIn5 (M = Co, Rh, Ir) heavy-fermion superconductors.

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Language(s): eng - English
 Dates: 2012
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1088/0953-8984/24/1/015601
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Title: Journal of Physics: Condensed Matter
  Abbreviation : J. Phys. Condens. Matter.
Source Genre: Journal
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Publ. Info: Bristol : IOP Publishing
Pages: - Volume / Issue: 24 (1) Sequence Number: 015601 Start / End Page: - Identifier: ISSN: 0953-8984
CoNE: https://pure.mpg.de/cone/journals/resource/954928562478