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Growth of thin films of quadruple multiferroic perovskite and investigation of the electron-phonon coupling using thermal and optics measurements.

Grant number: 15/21206-1
Support Opportunities:Scholarships abroad - Research Internship - Doctorate (Direct)
Effective date (Start): March 01, 2016
Effective date (End): February 28, 2017
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal Investigator:Adilson Jesus Aparecido de Oliveira
Grantee:Vinicius Pascotto Gastaldo
Supervisor: Andrea Gauzzi
Host Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil
Research place: Université Pierre et Marie Curie (Paris 6), France  
Associated to the scholarship:13/27097-4 - Magnetic and electrical properties of multiferroic systems: single-phase and composites, BP.DD


The study of magnetic materials applied for the processing and storage of information has increased in recent decades. One the milestone that arises in developing for a unique material with these two features. In this sense, has intensified research in multiferroic materials that combine both ferromagnetic and ferroelectric properties, and as a consequence, exhibit magnetoelectric effect. This project (BEPE) has as its main objective the development of thin films of peroviskitas quadrupole LaMn3Mn4O12 grown by the technique of pulsed laser deposition (PLD) on substrates that provide stress to the material to simulate the conditions of high pressure necessary for this material. It also will be performed specific heat measurements as a function of magnetic field and Raman spectroscopy to characterize samples and single crystal films obtained during their stay in Paris. (AU)

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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)
GASTALDO, VINICIUS PASCOTTO; RAO, MALA N.; BOSAK, ALEXEY; D'ASTUTO, MATTEO; PRODI, ANDREA; VERSEILS, MARINE; KLEIN, YANNICK; BELLIN, CHRISTOPHE; PAOLASINI, LUIGI; DE OLIVEIRA, ADILSON J. A.; et al. Direct observation of Jahn-Teller critical dynamics at a charge-order Verwey transition. Physical Review B, v. 104, n. 23, . (13/07296-2, 15/21206-1, 13/27097-4)
GASTALDO, VINICIUS PASCOTTO; KLEIN, YANNICK; BAPTISTE, BENOIT; CABASSI, RICCARDO; GILIOLI, EDMONDO; GAUZZI, ANDREA; DE OLIVEIRA, ADILSON J. A.. Unconventional magnetic ferroelectricity in the quadruple perovskite NaMn7O12. Physical Review B, v. 102, n. 16, . (17/24995-2, 13/27097-4, 12/21171-5, 13/07296-2, 15/21206-1)

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