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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Electronic and magnetic properties of stoichiometric CeAuBi2

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Author(s):
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Piva, M. M. [1, 2, 3] ; Tartaglia, R. [2, 4] ; Freitas, G. S. [2, 4] ; Souza, J. C. [2, 4] ; Christovam, D. S. [2, 4] ; Thomas, S. M. [1] ; Leao, J. B. [2, 5] ; Ratcliff, W. [2, 5] ; Lynn, J. W. [5] ; Lane, C. [1] ; Zhu, J-X [1] ; Thompson, J. D. [1] ; Rosa, P. F. S. [1] ; Adriano, C. [2, 4] ; Granado, E. [2, 4] ; Pagliuso, P. G. [2, 4]
Total Authors: 16
Affiliation:
[1] Los Alamos Natl Lab, Los Alamos, NM 87545 - USA
[2] Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083859 Campinas, SP - Brazil
[3] Max Planck Inst Chem Phys Solids, Nothnitzer Str 40, D-01187 Dresden - Germany
[4] Lynn, J. W., NIST, Ctr Neutron Res, Gaithersburg, MD 20899 USA.Piva, M. M., Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083859 Campinas, SP - Brazil
[5] NIST, Ctr Neutron Res, Gaithersburg, MD 20899 - USA
Total Affiliations: 5
Document type: Journal article
Source: Physical Review B; v. 101, n. 21 JUN 18 2020.
Web of Science Citations: 0
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. (AU)

FAPESP's process: 17/10581-1 - Emergent phenomena in reduced dimension systems
Grantee:Pascoal Jose Giglio Pagliuso
Support type: Research Projects - Thematic Grants
FAPESP's process: 19/04196-3 - Investigation of Crystalline Electric Field effects in magnetic and superconducting states in the Ce2RhIn8-xCdx compounds.
Grantee:Denise Sacramento Christovam
Support type: Scholarships in Brazil - Master
FAPESP's process: 17/25269-3 - High pressure studies in SrFe2As2, CaMn2Bi2 and CeAuBi2 compounds
Grantee:Mário Moda Piva
Support type: Scholarships abroad - Research Internship - Doctorate (Direct)
FAPESP's process: 15/15665-3 - Studies of orbital differentiation effects in the magnetic and superconducting properties of FeAs based compounds
Grantee:Mário Moda Piva
Support type: Scholarships in Brazil - Doctorate (Direct)
FAPESP's process: 18/11364-7 - Magnetic properties of complex systems with non-trivial topology
Grantee:Jean Carlo Souza
Support type: Scholarships in Brazil - Doctorate