Nuclear Resonance Reflectivity of Dy/Gd Superlattices

M. A. Andreeva; R. A. Baulin; N. O. Antropov; E. A. Kravtsov; M. V. Ryabukhina; V. V. Popov; V. V. Ustinov; A. I. Chumakov; R. Rüffer

doi:10.1134/S0021364018030050

Nuclear Resonance Reflectivity of Dy/Gd Superlattices

作者: Andreeva M.A.¹, Baulin R.A.¹, Antropov N.O.²^,3, Kravtsov E.A.²^,3, Ryabukhina M.V.², Popov V.V.², Ustinov V.V.²^,3, Chumakov A.I.⁴^,5, Rüffer R.⁴
隶属关系:
1. Faculty of Physics
2. Mikheev Institute of Metal Physics, Ural Branch
3. Ural Federal University
4. European Synchrotron Radiation Facility, CS
5. National Research Center Kurchatov Institute
期: 卷 107, 编号 3 (2018)
页面: 196-199
栏目: Condensed Matter
URL: https://ogarev-online.ru/0021-3640/article/view/160879
DOI: https://doi.org/10.1134/S0021364018030050
ID: 160879

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Nuclear resonance reflectivity from a [Dy₁₉Gd₁₉] × 20 superlattice has been measured utilizing the 25.652 keV nuclear level of ¹⁶¹Dy. The measured time spectra of nuclear resonance reflectivity make it possible to reveal the variation of the hyperfine magnetic field B_hf on dysprosium nuclei in the temperature range of 4–110 K and to determine the relaxation time of the hyperfine field, using the decay speed-up of the excited state of ¹⁶¹Dy nuclei.