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Structures and Magnetic Transitions in RNiSi3 (R:Gd-Ho)

Grant number: 17/04913-1
Support Opportunities:Scholarships in Brazil - Master
Start date: June 01, 2017
End date: February 28, 2019
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Eduardo Granado Monteiro da Silva
Grantee:Rodolfo Tartaglia Souza
Host Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil

Abstract

In this project, resonant magnetic x-ray diffraction experiments on single crystals of the RNiSi3 series (R: Gd, Tb, Dy, Ho) will be performed and analyzed, using the XDS beamline of LNLS, aiming at determining their magnetic structures and nature of their phase transitions. A recent study of this family through magnetic susceptibility, resistivity and specific heat measurements indicates interesting magnetic phenomena, including antiferromagnetic ground states with planar anisotropy and field-induced metamagnetic transitions. In this proposal, we intend to contribute to the global understanding of the relevant magnetic interactions of these compounds. (AU)

News published in Agência FAPESP Newsletter about the scholarship:
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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
TARTAGLIA, R.; ARANTES, F. R.; GALDINO, C. W.; RIGITANO, D.; KANEKO, U. F.; AVILA, M. A.; GRANADO, E.. Magnetic structure and magnetoelastic coupling of GdNiSi3 and TbNiSi3. Physical Review B, v. 99, n. 9, . (17/04913-1, 11/19924-2, 14/20365-6)
TARTAGLIA, R.; ARANTES, F. R.; GALDINO, C. W.; RIGITANO, D.; KANEKO, U. F.; AVILA, M. A.; GRANADO, E.. Magnetic Structures of RNiSi3 (R = Gd, Tb and Ho). ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES, v. 77, p. 1-pg., . (17/04913-1, 14/20365-6, 11/19924-2, 19/10401-9)
TARTAGLIA, R.; ARANTES, F. R.; GALDINO, C. W.; RIGITANO, D.; KANEKO, U. F.; AVILA, M. A.; GRANADO, E.. Magnetic structure and magnetoelastic coupling of GdNiSi3 and TbNiSi3. PHYSICAL REVIEW B, v. 99, n. 9, p. 6-pg., . (14/20365-6, 17/04913-1, 11/19924-2)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SOUZA, Rodolfo Tartaglia. Magnetic structures and transitions of GdNiSi3 and TbNiSi3. 2019. Master's Dissertation - Universidade Estadual de Campinas (UNICAMP). Instituto de Física Gleb Wataghin Campinas, SP.