Pis’ma v ZhETF, vol. 105, iss. 1, pp. 32 – 33 2017 January 10 c XMCD study of local magnetic and structural properties of microcrystalline NdFeB-based alloys1) A.P.Menushenkov∗2), V.G. Ivanov∗, I.V. Shchetinin+, D.G.Zhukov+, V.P.Menushenkov+, I.A.Rudnev∗#, A.A. Ivanov∗, F.WilhelmЧ, A.RogalevЧ, A.G. Savchenko+ ∗National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia +National University of Science and Technology MISIS, 119049 Moscow, Russia ЧEuropean Synchrotron Radiation Facility (ESRF), CS40220, F-38043 Grenoble Cedex 9, France #International Laboratory of High Magnetic Fields and Low Temperatures, 53-421 Wroclaw, Poland Submitted 17 November 2016 Resubmitted 23 November 2016 DOI: 10.7868/S0370274X17010088 The discovery in 1984 of Nd2Fe14B intermetallide with the maximum energy product (BH)max as high as 56MGOe (445.7 kJ/m3) [1, 2] made a breakthrough in magnetic materials research. <...> This compound is superior [3] to its predecessors SmCo5 and Sm2Co17 not only due to its record energy product (BH)max but also due to the lower cost of constituting rare-earth element Nd which is more abundant resource than Sm. <...> Nowadays, NdFeB-based alloys play very important role as functional components in contemporary devices leading to the enormous economic impact and ever-increasing market of permanent magnets. <...> Among the most important applications of the NdFeB permanent magnets are: electric transformers, generators, synchronized motors, actuators, sensors, etc. [4]. <...> Contemporary research ofmagnetic materials on the basis of NdFeB alloys is being conducted into two basic directions: addition of different elements to improve the microstructure of the magnets and understanding of the atomic origins of magnetic anisotropy responsible for coercivity. <...> It has been found that addition of Zr leads to a much finer and uniform microstructure of NdFeB magnets and also improves its magnetic properties at room temperature [5]. <...> Here we implement the advantages of elementspecific technique x-ray magnetic circular dichroism (XMCD) to high-coercivity Zr-doped Nd2Fe14B magnets [6] in order to locally probe Nd and Fe spindependent <...>