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Information × Registration Number 0222U002948, 0120U000117 , R & D reports Title Control of the magnetocaloric effect in metal-oxygen perovskites by external factors popup.stage_title Head Liedienov Mykyta O, к.ф.-м.н. Registration Date 16-02-2022 Organization Galkin Donetsk Institute of Physics and Technology of the National Academy of Sciences of Ukraine popup.description2 The regularities of the influence of internal chemical and external hydrostatic pressures on the functional properties of nanopowder and bulk ceramic manganites are established: (i) to increase the Curie temperature TC and magnetocaloric effect introduction of superstoichiometric Mn; (ii) additional annealing must be used to reduce TC and increase MSMmax polycrystals; (iii) to increase the TC of nanopowders and polycrystals, it is necessary to increase the hydrostatic pressure. The obtained results demonstrate the prospects of creating chemical defects and the introduction of excess MnA2 + in the perovskite structure, as well as the use of hydrostatic pressure to fine-tune TC and MSMmax. Product Description popup.authors Bodnaruk Andriy Vasyl’jvych Kuchuk Olena I popup.nrat_date 2022-03-09 Close