Institute of Magnetism

NAS of Ukraine and MES of Ukraine

 

Department 02

 

Department news


2018-01-30
Joint team of authors from Institute of Magnetism (Kyiv, Ukraine), B. Verkin Institute for Low Temperature Physics and Engineering (Kharkiv, Ukraine) and Royal Institute of Technology (Stockholm, Sweden) reported experimental demonstration of thermoelectric control of magnetic and resistive states in magnetic tunnel junctions (Appl. Phys. Lett. 111, 262401 (2017)). The switching between resistive states was shown in the temperature interval slightly above room temperature, implying its importance for the development of brand-new spin-electronic applications.


2017-09-19
Implementation of magnetic nanoparticles in medical technologies encounters substantial difficulties when experimenting with living organisms. Joint efforts of scientists from Institute of Magnetism, Institute of Physics and V.I. Vernadsky Institute of General and Inorganic Chemistry have resulted in the development of the method for realistic modelling of the behavior of ensembles of magnetic nanoparticles in alternating magnetic fields of varied frequencies and amplitudes. The method allows one to minimize a total number of experiments, defines contributions from nanoparticles of different sizes and shows the ways for optimization of their parameters (Phys. Chem. Chem. Phys. 19, 27015 (2017)). The validity of the approach was demonstrated for nanoparticles (La,Sr)MnO3, which are promising heat inductors for magnetic nano-hyperthermia.

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