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  Electronic and magnetic properties of stoichiometric CeAuBi2

Piva, M. M., Tartaglia, R., Freitas, G. S., Souza, J. C., Christovam, D. S., Thomas, S. M., et al. (2020). Electronic and magnetic properties of stoichiometric CeAuBi2. Physical Review B, 101(21): 214431, pp. 1-7. doi:10.1103/PhysRevB.101.214431.

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 Creators:
Piva, M. M.1, Author              
Tartaglia, R.2, Author
Freitas, G. S.2, Author
Souza, J. C.2, Author
Christovam, D. S.2, Author
Thomas, S. M.2, Author
Leão, J. B.2, Author
Ratcliff, W.2, Author
Lynn, J. W.2, Author
Lane, C.2, Author
Zhu, J-X2, Author
Thompson, J. D.2, Author
Rosa, P. F. S.2, Author
Adriano, C.2, Author
Granado, E.2, Author
Pagliuso, P. G.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: We report the electronic and magnetic properties of stoichiometric CeAuBi2 single crystals. At ambient pressure, CeAuBi2 orders antiferromagnetically below a Neel temperature (T-N) of 19 K. Neutron diffraction experiments revealed an antiferromagnetic propagation vector (tau) over cap = [0, 0, 1/2], which doubles the paramagnetic unit cell along the c axis. At low temperatures several metamagnetic transitions are induced by the application of fields parallel to the c axis, suggesting that the magnetic structure of CeAuBi2 changes as a function of field. At low temperatures, a linear positive magnetoresistance may indicate the presence of band crossings near the Fermi level. Finally, the application of external pressure favors the antiferromagnetic state, indicating that the 4f electrons become more localized.

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Language(s): eng - English
 Dates: 2020-06-182020-06-18
 Publication Status: Published in print
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 Table of Contents: -
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 101 (21) Sequence Number: 214431 Start / End Page: 1 - 7 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008