Determination of hyperfine fields orientation in nuclear probe techniques.
One of the most popular nuclear probes,57Fe is used for the investigation of orientations of hyperfine fields and also for the determination of other important properties. In particular, the orientation of iron magnetic moments can be unambiguously determined, including its signs. Experiments with polarized radiation are presented with regard to selected systems. Orientation of electric field gradient is used for acquiring information about the shape of the texture-free spectra. Applications on the analysis of iron-based superconductors are presented.
University of Białystok, Faculty of Physics, K. Ciołkowskiego Str. 1L, 15-245 Białystok, Poland.
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Szymański
University of Białystok, Faculty of Physics, K. Ciołkowskiego Str. 1L, 15-245 Białystok, Poland; ALBA Synchrotron Light Source, Ctra. BP1413 km. 3,3, Cerdanyola del Vallès, 08290 Barcelona, Spain.
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Olszewski
University of Białystok, Faculty of Physics, K. Ciołkowskiego Str. 1L, 15-245 Białystok, Poland.
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Satuła
Polish Academy of Sciences, Institute of Physics, Aleja Lotników 32/46, 02-668 Warsaw, Poland.
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Gawryluk
Warsaw University of Technology, Faculty of Chemistry, Department of Inorganic Chemistry and Solid State Technology, Warsaw, Poland.
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Krzton-Maziopa
University of Bialystok, Institute of Chemistry, Hurtowa Str. 1, 15-399 Białystok, Poland.
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Kalska-Szostko
Crystalline texture; Electric field gradient; Hyperfie magnetic fields; Magnetic texture; Mossbauer spectroscopy