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Effects of dipolar interactions and surface in magnetic granular systems and magnetic nanoparticles on ferrogels

Grant number: 11/01235-6
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): November 01, 2011
Effective date (End): March 31, 2016
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal Investigator:Kleber Roberto Pirota
Grantee:Diego Muraca
Home Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:12/04870-7 - Studies of novel complex and advanced materials, AP.TEM
Associated scholarship(s):13/24294-3 - Study of magnetic systems for medical applications, BE.EP.PD


As a general objective, we intend to make a systematic study of teh effect of interaction and distribution of grain sizes in the thermal and magnetic properties of core-caste type (core / shell) and Ni-NiO nanoparticles dimers like nanoparticle (MFe2O3-Ag/Au with M: Co, Ni or Mn). The nanoparticles are synthesized via wet chemistry, where a good control size can be obtained. In addition, we intend to study the structural and magnetic properties of manufactured nanoparticles in situ in polymer matrices with physical crosslinking process, such as freezing and thawing (FT ferrogeis) and agents such as crossover glutaraldheyde (GA).

Scientific publications (6)
(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)
MOSCOSO-LONDONO, O.; TANCREDI, P.; MURACA, D.; MENDOZA ZELIS, P.; CORAL, D.; FERNANDEZ VAN RAAP, M. B.; WOLFF, U.; NEU, V.; DAMM, C.; DE OLIVEIRA, C. L. P.; PIROTA, K. R.; KNOBEL, M.; SOCOLOVSKY, L. M. Different approaches to analyze the dipolar interaction effects on diluted and concentrated granular superparamagnetic systems. Journal of Magnetism and Magnetic Materials, v. 428, p. 105-118, APR 15 2017. Web of Science Citations: 20.
RIBEIRO, H. B.; VILLEGAS, C. E. P.; BAHAMON, D. A.; MURACA, D.; CASTRO NETO, A. H.; DE SOUZA, E. A. T.; ROCHA, A. R.; PIMENTA, M. A.; DE MATOS, C. J. S. Edge phonons in black phosphorus. NATURE COMMUNICATIONS, v. 7, JUL 2016. Web of Science Citations: 23.
OROZCO-HENAO, J. M.; CORAL, D. F.; MURACA, D.; MOSCOSO-LONDONO, O.; MENDOZA ZELIS, P.; FERNANDEZ VAN RAAP, M. B.; SHARMA, S. K.; PIROTA, K. R.; KNOBEL, M. Effects of Nanostructure and Dipolar Interactions on Magnetohyperthermia in Iron Oxide Nanoparticles. Journal of Physical Chemistry C, v. 120, n. 23, p. 12796-12809, JUN 16 2016. Web of Science Citations: 22.
MEIORIN, CINTIA; LONDONO, OSCAR MOSCOSO; MURACA, DIEGO; SOCOLOVSKY, LEANDRO M.; PIROTA, KLEBER R.; ARANGUREN, MIRTA I.; KNOBEL, MARCELO; MOSIEWICKI, MIRNA A. Magnetism and structure of nanocomposites made from magnetite and vegetable oil based polymeric matrices. Materials Chemistry and Physics, v. 175, p. 81-91, JUN 1 2016. Web of Science Citations: 5.
BROLLO, M. E. F.; OROZCO-HENAO, J. M.; LOPEZ-RUIZ, R.; MURACA, D.; DIAS, C. S. B.; PIROTA, K. R.; KNOBEL, M. Magnetic hyperthermia in brick-like Ag@Fe3O4 core-shell nano particles. Journal of Magnetism and Magnetic Materials, v. 397, p. 20-27, JAN 1 2016. Web of Science Citations: 30.
BROLLO, MARIA EUGENIA F.; LOPEZ-RUIZ, ROMAN; MURACA, DIEGO; FIGUEROA, SANTIAGO J. A.; PIROTA, KLEBER R.; KNOBEL, MARCELO. Compact Ag@Fe3O4 Core-shell Nanoparticles by Means of Single-step Thermal Decomposition Reaction. SCIENTIFIC REPORTS, v. 4, OCT 30 2014. Web of Science Citations: 33.

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