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 SM ISO690:2012MUNTYANU, Fiodor M., GILEWSKI, Andrzej, NENKOV , Konstantin A., ZALESKI, Andrzej Janusz, PALEWSKI, Tomasz, CHISTOL, Vitalie. High-field peculiarities of galvanomagnetic quantum oscillations in Bi bicrystals with nano-width superconducting crystallite interfaces. In: Solid State Communications, 2013, vol. 158, pp. 9-12. ISSN 0038-1098. DOI: https://doi.org/10.1016/j.ssc.2012.12.018 |
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  Solid State Communications |
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| Volumul 158 / 2013 / ISSN 0038-1098 /ISSNe 1879-2766 | |
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| DOI:https://doi.org/10.1016/j.ssc.2012.12.018 | |
| Pag. 9-12 | |
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We present the result of high-field (up to 40 T) galvanomagnetic study of bismuth bicrystals with nano-width crystallite interfaces (∼100 nm). At B>2 T directed along the interface plane in the quantum oscillations spectrum of the longitudinal Hall effect, two new harmonics have been detected. Their periods of oscillation characterise the much larger cross-sectional areas of Fermi surface of charge carriers than it is in single crystalline bismuth. At the same time, in small disorientation angle bicrystals of an inclination type, a number of Hall quasi-plateaus were observed, which vanish by reversing the magnetic field. We conclude that in bicrystals there are spin-oriented carriers that are located in spectrum of Landau levels at the particular orientation of the magnetic field. |
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| Cuvinte-cheie A. bismuth, A. Spin-oriented carriers, A. Superconducting crystallite interfaces, D. Hall effect |
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