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Growth and characterization of the electronic structure of oxides multiferroics heterostructures

Grant number: 12/51198-2
Support type:Research Grants - Young Investigators Grants
Duration: April 01, 2013 - March 31, 2018
Field of knowledge:Physical Sciences and Mathematics - Physics
Principal Investigator:Júlio Criginski Cezar
Grantee:Júlio Criginski Cezar
Home Institution: Centro Nacional de Pesquisa em Energia e Materiais (CNPEM). Ministério da Ciência, Tecnologia, Inovações e Comunicações (Brasil). Campinas , SP, Brazil
Associated grant(s):15/12312-2 - Engineering organic molecular LMS for spintronics applications, AV.EXT
Associated scholarship(s):16/14414-0 - Growth and study of oxide films with perovskite structure, BP.IC
16/14051-4 - Growth of superconducting and ferroelectric heterostructures, BP.MS
15/15787-1 - Growth and study of oxide films with perovskite structure, BP.IC
13/12423-3 - Study of ferroelectrique and multiferroic domain walls in thin films, BP.DD


Multiferroic oxides attracted the scientific community attention due to the interaction between their dielectric and magnetic properties. Macroscopically, this interaction allows to change the magnetic State of a sample applying an external electrical field, or conversely, to control the polarization State using external magnetic fields. These properties have a tremendous potential for applications, including in the field of non-volatile information storage media. On the other hand up to the moment there is no multiferroic material suitable for practical applications and in order to improve their properties one needs to understand the microscopic principies behind the interaction between the dielectric and magnetic degrees of freedom. With this project we start a new research group within the Laboratório Nacional de Luz Sincrotron (Synchrotron National Light Laboratory, LNLS), specialized in the study of multiferroic materials by means of a variety of X-ray spectroscopy techniques. The main goal of this proposal is to establish a research team capable of growing and characterize multiferroic and ferroelectric containing thin films. In view of that, we propose a set of instruments that will allow the full description of the electronic structure of the studied materials. The implementation of the proposed infrastructure will turn the LNLS extremely competitive in the international scenario, not only within the multiferroic community, but also in several other research fields, once that the full system will be available to the LNLS users community in the present machine, and later on the future synchrotron SIRIUS. (AU)

Scientific publications (4)
(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)
DUGATO, D. A.; BRANDAO, J.; SEEGER, R. L.; BERON, F.; CEZAR, J. C.; DORNELES, L. S.; MORI, T. J. A. Magnetic domain size tuning in asymmetric Pd/Co/W/Pd multilayers with perpendicular magnetic anisotropy. Applied Physics Letters, v. 115, n. 18 OCT 28 2019. Web of Science Citations: 0.
ESTRADA, FLAVIA R.; DE MORAES, LUCAS G. M.; VITAL, FELIPE L. A.; NEME, MAIRA D.; SCHIO, PEDRO; MORI, THIAGO J. A.; CEZAR, JULIO C. Island growth mode in pulsed laser deposited ferroelectric BaTiO3 thin films: The role of oxygen pressure during deposition. Ferroelectrics, v. 545, n. 1, SI, p. 39-44, JUN 11 2019. Web of Science Citations: 0.
BRANDAO, J.; DUGATO, D. A.; SEEGER, R. L.; DENARDIN, J. C.; MORI, T. J. A.; CEZAR, J. C. Observation of magnetic skyrmions in unpatterned symmetric multilayers at room temperature and zero magnetic field. SCIENTIFIC REPORTS, v. 9, MAR 11 2019. Web of Science Citations: 3.
ANNESE, EMILIA; DOS SANTOS, JOACIR E.; RODRIGUES, GUSTAVO LORENCINI M. P.; ROCHA, ANDRE SILVA; DE MORAES, HORACIO RIBEIRO; CEZAR, JULIO CRIGINSKI. Ultrahigh-vacuum organic molecular-beam deposition system for in situ growth and characterization. JOURNAL OF SYNCHROTRON RADIATION, v. 25, n. 6, p. 1658-1663, NOV 2018. Web of Science Citations: 0.

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