2020
DOI: 10.1103/physrevb.101.174415
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Anomalous Hall effect in the kagome ferrimagnet GdMn6Sn6

Abstract: We present magnetotransport data on the ferrimagnet GdMn 6 Sn 6. From the temperature dependent data we are able to extract a large instrinsic contribution to the anomalous Hall effect σ int xz ∼ 32 Ω −1 cm −1 and σ int xy ∼ 223 Ω −1 cm −1 , which is comparable to values found in other systems also containing kagome nets of transition metals. From our transport anisotropy, as well as our density functional theory calculations, we argue that the system is electronically best described as a three dimensional sys… Show more

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Cited by 71 publications
(25 citation statements)
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“…The latter corresponds to a transition from an AFM order along the c-axis above T hel to a c-axis helical order with in-plane FM order at low temperature, consistent with the previous results [33][34][35][36]. Moreover, the temperature dependence of longitudinal resistivity ρ xx and ρ zz with zero-field shows a metallic behavior with weak anisotropy, similar to GdMn 6 Sn 6 [37].…”
Section: Resultssupporting
confidence: 89%
“…The latter corresponds to a transition from an AFM order along the c-axis above T hel to a c-axis helical order with in-plane FM order at low temperature, consistent with the previous results [33][34][35][36]. Moreover, the temperature dependence of longitudinal resistivity ρ xx and ρ zz with zero-field shows a metallic behavior with weak anisotropy, similar to GdMn 6 Sn 6 [37].…”
Section: Resultssupporting
confidence: 89%
“…The rare-earth Tb atoms, possessing a strong easy-axis magnetocrystalline anisotropy (MA), * liqinke@ameslab.gov antiferromagnetically couple with the Mn atoms and align the Mn spins along the out-of-plane direction below the spin-reorientation temperatures T SR . This discovery of quantum-limit Chern topological magnetism in TbMn 6 Sn 6 has rekindled the interest in the RMn 6 Sn 6 family of compounds, where different R atoms and correspondingly a variety of magnetic structures provide a rich platform to explore quantum phenomena [5][6][7][8][9][10][11][12][13][14].…”
Section: Introductionmentioning
confidence: 99%
“…In recent years, several materials have been experimentally discovered that show complex AFM ordering and a very large AHC in the absence of magnetic fields or uniform magnetization [17][18][19][20][21][22][23][24]. Despite these successes, observing a quantized AHC in these systems has remained elusive.…”
Section: Introductionmentioning
confidence: 99%