Anomalous hall effect in HoB12 |
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Authors: | N E Sluchanko D N Sluchanko V V Glushkov S V Demishev N A Samarin and N Yu Shitsevalova |
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Institution: | (1) Institute of General Physics, Russian Academy of Sciences, Moscow, 119991, Russia;(2) Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, Kiev, 03680, Ukraine |
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Abstract: | Within a wide temperature range of 1.8–300 K, the Hall effect in holmium dodecaboride is investigated. The measurements of
the angular dependences of the Hall resistance ρH(φ, T, H) for HoB12 performed in a high magnetic field up to 80 kOe at helium and intermediate temperatures made it possible to separate the
normal and anomalous contributions to the Hall effect. Analysis of the anomalous component behavior in the paramagnetic and
Néel phases suggests the appearance of the 5d-state magnetic polarization (the spin polaron effect) and makes it possible to compare the revealed features of the Hall
coefficient R
H(T, H) with the H-T magnetic phase diagram of HoB12.
Original Russian Text ? N.E. Sluchanko, D.N. Sluchanko, V.V. Glushkov, S.V. Demishev, N.A. Samarin, N.Yu. Shitsevalova, 2007,
published in Pis’ma v Zhurnal éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2007, Vol. 86, No. 9, pp. 691–694. |
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