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SM ISO690:2012 EHLERS, Dieter, STASINOPOULOS, Ioannis, TSURKAN, Vladimir, KRUG VON NIDDA, Hans Albrecht, FEHER, Titusz, LEONOV, Andrey O., KEZSMARKI, Istvan, GRUNDLER, Dirk, LOIDL, Alois. Skyrmion dynamics under uniaxial anisotropy. In: Physical Review B, 2016, vol. 94, p. 0. ISSN 2469-9950. DOI: https://doi.org/10.1103/PhysRevB.94.014406 |
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Physical Review B | |
Volumul 94 / 2016 / ISSN 2469-9950 /ISSNe 2469-9969 | |
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DOI:https://doi.org/10.1103/PhysRevB.94.014406 | |
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Broadband microwave spectroscopy has been performed on single-crystalline GaV4S8, which exhibits a complex magnetic phase diagram including cycloidal and Néel-type skyrmion lattice phases below 13 K. At small magnetic fields two collective modes with large frequency separation are found that reflect the cycloid state subject to a large uniaxial anisotropy. In the skyrmion lattice phase three modes are resolved. Analyzing the spin-precessional motion microscopically, we explain the low frequency of the breathing mode in these Néel skyrmions by the hard-axis orientation of relevant spins. |
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Cuvinte-cheie Magnetic Bubbles, magnetism, Domain walls |
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