Orbital hall conductivity
http://www.wannier.org/features/ WebHere we present that with proper alloying elements, particularly 3d transition metals V and Cr, a high spin–orbital Hall conductivity (σSH ≈ 6.5 × 105 (ℏ/2e) Ω–1 m–1) can be developed. Especially for the Cr-doped case, an extremely high ξDL ≈ 0.9 in a Pt0.69Cr0.31/Co device can be achieved with a moderate Pt0.69Cr0.31 ...
Orbital hall conductivity
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WebNov 1, 2024 · Recent theory revealed that orbital Hall effect creates orbital current, which can be much larger than spin-Hall-induced spin current. However, orbital current cannot … WebFeb 25, 2024 · Especially for the Cr-doped case, an extremely high ξ DL ≈ 0.9 in a Pt 0.69 Cr 0.31 /Co device can be achieved with a moderate Pt 0.69 Cr 0.31 resistivity of ρ xx ≈ 133 …
WebJan 4, 2024 · uence of the gap on the orbital Hall conductivity. We then extend the study to realistic topologically trivial and non-trivial ma-terials, and nd that the topology has little qualitative in uence on the orbital Hall conductivity. In contrast, we observe that the energy dispersion has a more dramatic impact, especially in the presence of disorder. WebFeb 5, 2024 · It has been recently shown that monolayers of transition metal dichalcogenides (TMDs) in the 2H structural phase exhibit relatively large orbital Hall conductivity plateaus within their energy band gaps, where their spin Hall conductivities vanish [Canonico et al., Phys. Rev. B 101, 161409 (2024)PRB …
WebJan 3, 2024 · We then extend the study to realistic topologically trivial and non-trivial materials, and find that the topology has little qualitative influence on the orbital Hall … WebThe quantum Hall effect (or integer quantum Hall effect) is a quantized version of the Hall effect which is observed in two-dimensional electron systems subjected to low temperatures and strong magnetic fields, in which the Hall resistance R xy exhibits steps that take on the quantized values = =, where V Hall is the Hall voltage, I channel is the …
WebJul 13, 2024 · orbital-to-spin conversion in materials with nonzero spin-orbit coupling. In this case, the spin Hall conductivity has the same sign as the product between the orbital conductivity and the expectation value of spin-orbit coupling: σ S ∼ σ L L·S.The OHE was first predicted in 4d and 5d transition elements
WebMay 27, 2024 · The quantized spin Hall conductance is a hallmark of two dimensional (2D) topological insulators (TIs) where the conductance is solely due to a pair of counter propagating helical edge channels 1 ... greek boy names starting with lWebWe also compute the orbital Hall conductivity, which de-scribes the electric eld-induced ow of orbital angular momentum, oriented in the z-direction and with velocity transverse to the applied eld [13{16]. The orbital Hall conductivity is also given by a Kubo formula expression like Eq. 5, with the replacement v y! v yL z+ L zv y =2, where L z ... greek boy names starting with mWebNov 18, 2024 · As the orbital current carries the angular momentum as the spin current does, injection of the orbital current into a ferromagnet can result in torque on the … flovent classification of drugWebMar 7, 2008 · The conductivities obtained are one or 2 orders of magnitude larger than predicted values for p -type semiconductors with ∼5% hole doping. The origin of these giant Hall effects is the “effective Aharonov-Bohm phase” that is induced by the d -atomic … flovent companyWebMar 4, 2024 · Orbital Hall effect as an alternative to valley Hall effect in gapped graphene. Gapped graphene has been proposed to be a good platform to observe the valley Hall … greek boy names starting with bWebSep 11, 2009 · We reveal from numerical study that the optical Hall conductivity sigma(xy)(omega) has a characteristic feature even in the ac ( approximately THz) regime … greek boy names starting with xWebMar 31, 2024 · The generation of spin and orbital currents is of crucial importance in the field of spin-orbitronics. In this work, using relativistic density functional theory and the Kubo linear-response... greek boy names starting with r