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Registration Number

0222U000028, 0117U002129 , R & D reports

Title

Structural, transport and magnetic properties of the nanoscale and mesoscopic metal-containing systems

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Head

Tatarenko Valentyn A., Доктор фізико-математичних наук

Registration Date

02-01-2022

Organization

Institute of Metal Physics. G.V. Kurdyumov of the National Academy of Sciences of Ukraine

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 Based on calculations from the first principles, the results are obtained, which provide information about the structure of the Fermi surface of compounds with heavy fermions YbRh2Si2. It is established that the topology of its Fermi surface differs slightly from the Fermi surface trivalent system in which the f-electron remains in the f-shell. This indicates that that at 10 K f – d hybridization does not lead to a significant increase in the Fermi surface volume. On the basis of calculations from the first principles X-ray is theoretically investigated The L3 absorption spectrum of Ytterbium, as well as the K- and L2,3-X-ray emission spectra of Nickel and Phosphorus in the mixed valence compound YbNi2P2. The agreement of the theory with experiment.

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2022-03-09