AMT&C articles

Review on magnetic refrigeration devices based on HTSC materials

Authors: Radel Gimaev a,b, Yury Spichkin b, Boris Kovalev a,c, Kamil Kamilov c,d, Vladimir Zverev c, Alexander Tishin b,c. a - National Research Center “Kurchatov Institute”, Moscow 123182, Russia b - Advanced Magnetic Technologies and Consulting LLC, Troitsk, Moscow 142191, Russia c - Faculty of Physics, M.V. Lomonosov Moscow State University, Moscow 119991, Russia d - Amirkhanov Institute of physics DNC RAS, Makhachkala 367003, Russia Published in "International Journal of Refrigeration" №100 (2019). Keywords: Magnetic refrigerating machine, Magnetocaloric effect, High-temperature superconductivity Abstract. The development of a high-efficiency magnetic refrigerating machine (magnetic refrigerator) with a superconducting magnetic field source operating in…

Measurements of the Magnetic and Magnetothermal Properties of Heavy Rare Earths

Authors: Radel Gimaev1, Dmitry Kopeliovich2, Yury Spichkin2 and Alexander Tishin2,3 1 - National Research Center "Kurchatov Institute", 123182, Moscow, Russia 2 - Advanced Magnetic Technologies and Consulting LLC, Troitsk, Moscow, Russia 3 - Faculty of Physics, M.V. Lomonosov Moscow State University, 119991 Moscow, Russia Published in "Journal of Magnetism and Magnetic Materials" №459 (2018). Abstract. The adiabatic temperature change, magnetization, heat capacity and thermal conductivity coefficient of a set of commercial purity heavy rare earth metals were measured. The temperature and magnetic field dependences of the adiabatic temperature change and magnetization were measured by direct and induction methods, respectively, in…

Highly intensive magnetic systems

Author: Dmitry Kopeliovich, AMT&C LLC. Published in "Magnetics Technology International Journal", 2013. Permanent magnet technology with high felds and high dynamic properties open up further opportunities for applications in research and development laboratories and across the industry. The classic problem of creating an approximately uniform magnetic feld, which is widely used in numerous scientifc and technological applications, can be solved with both electromagnetic and permanent magnet (PM) systems. The interesting and practically important question concerns the limitations that exist for feld parameters achievable with permanent magnets. The conventional wisdom is that, frst, the maximal feld of a PM system cannot…

Research is supported by grant support of the Skolkovo Foundation.