Articles with "topological semimetal" as a keyword



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Transport Properties of Topological Semimetal Tungsten Carbide in the 2D Limit

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Published in 2019 at "Advanced Electronic Materials"

DOI: 10.1002/aelm.201800839

Abstract: Recent theoretical calculations and spectroscopy measurements have shown that several materials with the tungsten carbide‐type structure, such as molybdenum phosphide and tungsten carbide (WC), are a new type of topological semimetal hosting triply degenerate nodal… read more here.

Keywords: topological semimetal; tungsten carbide; semimetal tungsten; properties topological ... See more keywords
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Ferromagnetism in β-Ag2Se topological semimetal

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Published in 2022 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2021.162025

Abstract: Abstract High-temperature ferromagnetism in materials composed of non-magnetic constituents is one of the most intriguing aspects in condensed matter physics as well as materials science. Beyond oxide compounds where the ferromagnetism is mainly induced by… read more here.

Keywords: high temperature; ag2se; ag2se topological; ferromagnetism ... See more keywords
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Magnon modes as a joint effect of surface ferromagnetism and spin–orbit coupling in CoSi chiral topological semimetal

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Published in 2021 at "Journal of Magnetism and Magnetic Materials"

DOI: 10.1016/j.jmmm.2021.168488

Abstract: CoSi single crystal is a known realization of a chiral topological semimetal with simultaneously broken mirror and inversion symmetries. In addition to the symmetry-induced spin-orbit coupling, surface ferromagnetism is known in nominally diamagnetic CoSi structures,… read more here.

Keywords: surface; orbit coupling; chiral topological; spin orbit ... See more keywords
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Topological Semimetal Nanostructures: From Properties to Topotronics.

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Published in 2020 at "ACS nano"

DOI: 10.1021/acsnano.9b07990

Abstract: Characterized by bulk Dirac or Weyl cones and surface Fermi-arc states, topological semimetals have sparked enormous research interest in recent years. The nanostructures, with large surface-to-volume ratio and easy field-effect gating, provide ideal platforms to… read more here.

Keywords: quantum; properties topotronics; topological semimetals; nanostructures properties ... See more keywords
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Higher-order topological semimetal in acoustic crystals

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Published in 2021 at "Nature Materials"

DOI: 10.1038/s41563-021-00933-4

Abstract: The notion of higher-order topological insulators has endowed materials with topological states beyond the first order. Particularly, a three-dimensional (3D) higher-order topological insulator can host topologically protected 1D hinge states, referred to as the second-order… read more here.

Keywords: order; higher order; topological semimetal; topological insulator ... See more keywords
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A topological semimetal Li2CrN2 sheet as a promising hydrogen storage material.

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Published in 2020 at "Nanoscale"

DOI: 10.1039/d0nr02180f

Abstract: An ideal electrode for electrochemical storage of hydrogen needs to be conductive for electrons. The robust conductivity protected by topology in topological quantum materials just meets this requirement. However, such a study is still lacking… read more here.

Keywords: storage; hydrogen storage; li2crn2 sheet; semimetal li2crn2 ... See more keywords
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Magneto-transport and Shubnikov-de Haas oscillations in the layered ternary telluride topological semimetal candidate Ta3SiTe6

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Published in 2020 at "Applied Physics Letters"

DOI: 10.1063/1.5131618

Abstract: Topological semimetals characterize a unique class of quantum materials hosting Dirac/Weyl fermions. The important features of topological fermions can be exhibited by quantum oscillations. Here, we report the magnetoresistance and Shubnikov-de Haas (SdH) quantum oscillation… read more here.

Keywords: semimetal candidate; magneto transport; shubnikov haas; topological semimetal ... See more keywords
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Superconductivity in Topological Semimetal θ-TaN at High Pressure*

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Published in 2019 at "Chinese Physics Letters"

DOI: 10.1088/0256-307x/36/8/087401

Abstract: Recently, θ-TaN was proposed to be a topological semimetal with a new type of triply degenerate nodal points. Here, we report studies of pressure dependence of transport, Raman spectroscopy and synchrotron x-ray diffraction on θ-TaN… read more here.

Keywords: semimetal tan; tan; tan high; superconductivity topological ... See more keywords
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Magnetization-governed magnetoresistance anisotropy in the topological semimetal CeBi

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Published in 2019 at "Physical Review B"

DOI: 10.1103/physrevb.100.180407

Abstract: Magnetic topological semimetals, the latest member of topological quantum materials, are attracting extensive attention as they may lead to topologically-driven spintronics. Currently, magnetotransport investigations on these materials are focused on anomalous Hall effect. Here, we… read more here.

Keywords: magnetization; anisotropy topological; magnetoresistance anisotropy; cebi ... See more keywords
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Third-order charge transport in a magnetic topological semimetal

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Published in 2022 at "Physical Review B"

DOI: 10.1103/physrevb.107.205120

Abstract: Magnetic topological materials and their physical signatures are a focus of current research. Here, by first-principles calculations and symmetry analysis, we reveal topological semimetal states in an existing antiferromagnet ThMn2Si2. Depending on the N\'eel vector… read more here.

Keywords: charge; third order; transport; topological semimetal ... See more keywords
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Surface states in topological semimetal slab geometries

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Published in 2019 at "Physical Review B"

DOI: 10.1103/physrevb.99.075304

Abstract: Weyl semimetals are topological materials with protected Weyl nodes in the band structure. In these materials the surface states form open curves at the Fermi surface, Fermi arcs in Weyl semimetals and drumhead states of… read more here.

Keywords: fermi arcs; geometry; surface states; states topological ... See more keywords