Evolution of topological Kondo insulating behavior in Sm1xRxB6 (r = Sr, Yb)

• Grant number: 13/20181-0
• Support Opportunities: Scholarships abroad - Research Internship - Post-doctor
• Start date: February 01, 2014
• End date: January 31, 2015
• Field of knowledge: Physical Sciences and Mathematics - Physics - Condensed Matter Physics
• Principal Investigator: Pascoal Jose Giglio Pagliuso
• Grantee: Priscila Ferrari Silveira Rosa
• Supervisor: Zachary Fisk
• Host Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
• Institution abroad: University of California, Irvine (UC Irvine), United States

Abstract

One of the most exciting fields in modern condensed matter physics is the prediction and observation of new states of matter which have an insulating bulk with protected conducting states on its edge or surface. In this project, we propose to systematically investigate the evolution of a three-dimensional (3D) topological Kondo insulator candidate, SmB6, from the dilute regime in the series Sm1xRxB6 (R = Sr, Yb). The ex- perimental study will initially consist in the growth of the single crystals from aluminum flux and their macroscopic characterization by transport, specific heat and magnetic susceptibility measurements. Subsequently, the combined doping with paramagnetic probes (such as Gd3+) will allow the microscopic study by electron spin resonance measurements and the understanding of the role of magnetic impurities in topological insulators. (AU)

Scientific publications

(15)

(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)

GOVEA-ALCAIDE, E.; RODRIGUEZ-MILANES, J.; GUERRERO, F.; MAASCH, C. D.; TORIKACHVILI, M. S.; JARDIM, R. F.. Transport of charge carriers across the normal-superconducting interfaces in Bi1.65Pb0.35Sr2Ca2Cu3O10+delta nanoceramics. CERAMICS INTERNATIONAL, v. 47, n. 9, p. 13093-13099, MAY 1 2021. (13/20181-0, 12/08068-0, 13/07296-2, 14/19245-6)

MASUNAGA, S. H.; BARBETA, V. B.; JARDIM, R. F.; BECERRA, C. C.; TORIKACHVILI, M. S.; ROSA, P. F. S.; FISK, Z.. Anomalous remnant magnetization in dilute antiferromagnetic Gd1-xYxB4. PHYSICAL REVIEW MATERIALS, v. 2, n. 8, AUG 31 2018. (13/07296-2, 13/20181-0, 14/19245-6)

RENOSTO, S. T.; CORREA, L. E.; DA LUZ, M. S.; ROSA, P. F. S.; FISK, Z.; ALBINO-AGUIAR, J.; MACHADO, A. J. S.. Superconductivity in the Th0.93Zr0.07B12 compound with UB12 prototype structure. Physics Letters A, v. 379, n. 39, p. 2498-2501, OCT 16 2015. (13/20181-0, 14/01581-0, 11/05961-3)

PEREZ-ACOSTA, L.; GOVEA-ALCAIDE, E.; ROSALES-SAIZ, F.; NOUDEM, J. G.; MACHADO, I. F.; JARDIM, R. F.. Influence of the spark-plasma texturing conditions on the intragranular features of Bi-2223 ceramic samples. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, v. 30, n. 7, p. 6984-6992, APR 2019. (13/07296-2, 13/20181-0, 14/19245-6)

ADRIANO, C.; ROSA, P. F. S.; JESUS, C. B. R.; GRANT, T.; FISK, Z.; GARCIA, D. J.; PAGLIUSO, P. G.. Magnetic properties of nearly stoichiometric CeAuBi2 heavy fermion compound. Journal of Applied Physics, v. 117, n. 17, MAY 7 2015. (09/09247-3, 13/20181-0, 12/04870-7, 12/05903-6, 09/10264-0, 12/10675-2, 11/19924-2, 11/01564-0, 11/23650-5)

ROSA, P. F. S.; OOSTRA, A.; THOMPSON, J. D.; PAGLIUSO, P. G.; FISK, Z.. Unusual Kondo-hole effect and crystal-field frustration in Nd-doped CeRhIn5. PHYSICAL REVIEW B, v. 94, n. 4, p. 6-pg., 2016-07-05. (12/04870-7, 13/20181-0)

ROSA, P. F. S.; BOURG, R. J.; JESUS, C. B. R.; PAGLIUSO, P. G.; FISK, Z.. Role of dimensionality in the Kondo CeT X-2 family: The case of CeCd0.7Sb2. Physical Review B, v. 92, n. 13, p. 6-pg., 2015-10-28. (12/04870-7, 13/20181-0)

ROSA, P. F. S.; OOSTRA, A.; THOMPSON, J. D.; PAGLIUSO, P. G.; FISK, Z.. Unusual Kondo-hole effect and crystal-field frustration in Nd-doped CeRhIn5. Physical Review B, v. 94, n. 4, JUL 5 2016. (13/20181-0, 12/04870-7)

ADRIANO, C.; ROSA, P. F. S.; JESUS, C. B. R.; MARDEGAN, J. R. L.; GARITEZI, T. M.; GRANT, T.; FISK, Z.; GARCIA, D. J.; REYES, A. P.; KUHNS, P. L.; et al. Physical properties and magnetic structure of the intermetallic CeCuBi2 compound. Physical Review B, v. 90, n. 23, DEC 10 2014. (09/09247-3, 13/20181-0, 12/04870-7, 12/05903-6, 09/10264-0, 11/19924-2, 11/01564-0, 11/23650-5)

ROSA, P. F. S.; BOURG, R. J.; JESUS, C. B. R.; PAGLIUSO, P. G.; FISK, Z.. Role of dimensionality in the Kondo CeT X-2 family: The case of CeCd0.7Sb2. Physical Review B, v. 92, n. 13, OCT 28 2015. (13/20181-0, 12/04870-7)

MACHADO, A. J. S.; CORREA, L. E.; DA LUZ, M. S.; SANTOS, F. B.; DE LIMA, B. S.; RENOSTO, S. T.; CIGARROA, O. V.; CUSTDIO, M. R.; NUNES, C. A.; COELHO, G. C.; et al. Ta1-xHfxB: a new FeB-prototype superconductor. SUPERCONDUCTOR SCIENCE & TECHNOLOGY, v. 28, n. 9, SEP 2015. (13/20181-0, 14/01581-0, 11/05961-3)

ROSA, P. F. S.; DE JESUS, C. B. R.; FISK, Z.; PAGLIUSO, P. G.. Physical properties of EuPtIn4 intermetallic antiferromagnet. Journal of Magnetism and Magnetic Materials, v. 371, p. 5-9, DEC 2014. (13/20181-0)

CORREA, L. E.; DA LUZ, M. S.; DE LIMA, B. S.; CIGARROA, O. V.; DA SILVA, A. A. A. P.; COELHO, G. C.; FISK, Z.; MACHADO, A. J. S.. Ta5GeB2: New T-2 superconductor phase. Journal of Alloys and Compounds, v. 660, p. 44-47, MAR 5 2016. (11/21884-9, 14/01581-0, 11/05961-3, 13/20181-0)

PIVA, M. M.; BESSER, M.; MYDEEN, K.; GARITEZI, T. M.; ROSA, P. F. S.; ADRIANO, C.; GRANT, T.; FISK, Z.; URBANO, R. R.; NICKLAS, M.; et al. Combined external pressure and Cu-substitution studies on BaFe2As2 single crystals. JOURNAL OF PHYSICS-CONDENSED MATTER, v. 27, n. 14, APR 15 2015. (09/09247-3, 13/20181-0, 12/04870-7, 13/10833-0, 12/05903-6, 09/10264-0, 11/19924-2, 11/01564-0, 11/23650-5)

ADRIANO, C.; ROSA, P. F. S.; JESUS, C. B. R.; MARDEGAN, J. R. L.; GARITEZI, T. M.; GRANT, T.; FISK, Z.; GARCIA, D. J.; REYES, A. P.; KUHNS, P. L.; et al. Physical properties and magnetic structure of the intermetallic CeCuBi2 compound. PHYSICAL REVIEW B, v. 90, n. 23, p. 7-pg., 2014-12-10. (11/23650-5, 12/04870-7, 12/05903-6, 09/09247-3, 09/10264-0, 11/01564-0, 11/19924-2, 13/20181-0)