Zn distribution and magnetic order in Zn x Fe 3-x O 4 ferrite nanoparticles forbiomedical applications as a function of Zn content
In this work, zinc ferrite nanoparticles (NPs) for application in magnetic fluid hyperthermia will be studied by neutron powder diffraction. The objective of the work is to determine the effects on the structural details and magnetic order, of Zn substitution in the spinel, as well as of the production process (crystallinity, stress). These fundamental aspects have direct consequences on the performance of the NPs in the biomedical application, as they control the heat dissipation, the catalytic activity and the magnetic response. The correlation is, however, still poorly understood. We apply for 3 days at D1B diffractometer, using a cryostat sample environment to study the magnetic order at low temperature. Six samples will be measured to study the Zn-content effects, the production method and the parent bulk compound. We estimate around 1.5 hs per diffractogram, and extra time for calibration measurements, setup, temperature control and sample changes.
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LOHR Javier Hernan; Myriam. H. Aguirre; J Campo; Claire V. Colin; CUELLO Gabriel; GOYA Gerardo; LIMA JR Enio; NASSIF Vivian; Miguel Pardo-Sainz and PUENTE ORENCH Ines. (2020). Zn distribution and magnetic order in Zn x Fe 3-x O 4 ferrite nanoparticles forbiomedical applications as a function of Zn content. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-23-742
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