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Bannenberg, L.J. (author), Kakurai, K. (author), Falus, P. (author), Lelievre-Berna, E. (author), Dalgliesh, R. (author), Dewhurst, C.D. (author), Qian, F. (author), Onose, Y. (author), Endoh, Y. (author), Tokura, Y. (author), Pappas, C. (author)We present a comprehensive Small Angle Neutron Scattering (SANS) and Neutron Spin Echo Spectroscopy (NSE) study of the structural and dynamical aspects of the helimagnetic transition in Fe<sub>1-x</sub>Co<sub>x</sub>Si with x = 0.30. In contrast to the sharp transition observed in the archetype chiral magnet MnSi, the transition in Fe<sub>1-x<...journal article 2017
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Bannenberg, L.J. (author), Lefering, A.J.E. (author), Kakurai, K. (author), Onose, Y (author), Endoh, Y. (author), Tokura, Y (author), Pappas, C. (author)We present a systematic study of the ac susceptibility of the chiral magnet Fe1−xCoxSi with x=0.30 covering four orders of magnitude in frequencies from 0.1 Hz to 1 kHz, with particular emphasis to the pronounced history dependence. Characteristic relaxation times ranging from a few milliseconds to tens of seconds are observed around the...journal article 2016
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Bannenberg, L.J. (author), Kakurai, K. (author), Qian, F. (author), Lelièvre-Berna, E. (author), Dewhurst, C. D. (author), Onose, Y. (author), Endoh, Y. (author), Tokura, Y (author), Pappas, C. (author)Small angle neutron scattering measurements on a bulk single crystal of the doped chiral magnet Fe1-xCoxSi with x=0.3 reveal a pronounced effect of the magnetic history and cooling rates on the magnetic phase diagram. The extracted phase diagrams are qualitatively different for zero and field cooling and reveal a metastable skyrmion lattice...journal article 2016
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- Tarucha, S. (author), Austing, D.G. (author), Tokura, Y. (author), van der Wiel, W.G. (author), Kouwenhoven, L.P. (author) journal article 2000
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- Odintsov, A.A. (author), Tokura, Y. (author), Tarucha, S. (author) journal article 1997