Author

M. Graça

2 papers indexed here

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Open access Sep 2026

Correlation Between Structural Distortion and Dielectric–Magnetic Properties in Ba-Doped Multiferroic BiFeO3

Bi0.8Ba0.2FeO3 nanoparticles were synthesized using the sol–gel method. X-ray diffraction (XRD) analysis confirmed that the material crystallizes in a tetragonal structure with the P4/mmm space group. This structural transformation plays an important role in the microstructural distortion and phase modification of the...

E. M. Benali, M. Graça, E. Dhahri et al. · Materials · 0 citations

Review Open access Aug 2026

Magnetothermally Responsive Mesoporous Silica Nanocarriers: Materials Design, Thermoresponsive Gates and Controlled Drug Release

A review of the fundamental principles of magnetic hyperthermia, including heat-generation mechanisms, specific absorption rate (SAR), intrinsic loss power (ILP), AMF parameters and safety, and the interplay between Néel and Brownian relaxation is examined.

Juliana Jesus, M. Graça, A. S. Pires et al. · Nanomaterials · 0 citations