A Noble‐Metal‐Free Spintronic System with Proximity‐Enhanced Ferromagnetic Topological Surface State of FeSi above Room Temperature
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202206801
Abstract: Strongly spin–orbit coupled states at metal interfaces, topological insulators, and 2D materials enable efficient electric control of spin states, offering great potential for spintronics. However, there are still materials challenges to overcome, including the integration… read more here.
Keywords: temperature; room temperature; topological surface; ferromagnetic topological ... See more keywords
Topological Surface State in Epitaxial Zigzag Graphene Nanoribbons.
Sign Up to like & getrecommendations! Published in 2021 at "Nano letters"
DOI: 10.1021/acs.nanolett.0c05013
Abstract: Protected and spin-polarized transport channels are the hallmark of topological insulators, coming along with an intrinsic strong spin-orbit coupling. Here we identified such corresponding chiral states in epitaxially grown zigzag graphene nanoribbons (zz-GNRs), albeit with… read more here.
Keywords: graphene nanoribbons; topological surface; zigzag graphene; surface state ... See more keywords
Direct Observation of the Topological Surface State in the Topological Superconductor 2M-WS2.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c02372
Abstract: The quantum spin Hall (QSH) effect has attracted extensive research interest because of the potential applications in spintronics and quantum computing, which is attributable to two conducting edge channels with opposite spin polarization and the… read more here.
Keywords: ws2; surface; direct observation; topological surface ... See more keywords
Observation of Gapped Topological Surface States and Isolated Surface Resonances in PdTe2 Ultrathin Films.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c04511
Abstract: The superconductor PdTe2 is known to host bulk Dirac bands and topological surface states. The coexistence of superconductivity and topological surface states makes PdTe2 a promising platform for exploring topological superconductivity and Majorana bound states.… read more here.
Keywords: surface resonances; states isolated; surface; isolated surface ... See more keywords
Quantitative Analysis of Weak Antilocalization Effect of Topological Surface States in Topological Insulator BiSbTeSe2.
Sign Up to like & getrecommendations! Published in 2019 at "Nano letters"
DOI: 10.1021/acs.nanolett.8b05186
Abstract: Quantitative analysis of the weak antilocalization (WAL) effect of topological surface states in topological insulators is of tremendous importance. The major obstacle to achieve accurate results is how to eliminate the contribution of the anisotropic… read more here.
Keywords: topological surface; effect topological; surface states; states topological ... See more keywords
Emergent and Tunable Topological Surface States in Complementary Sb/Bi2Te3 and Bi2Te3/Sb Thin-Film Heterostructures.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.2c04639
Abstract: Epitaxial thin-film heterostructures offer a versatile platform for realizing topological surface states (TSSs) that may be emergent and/or tunable by tailoring the atomic layering in the heterostructures. Here, as an experimental demonstration, Sb and Bi2Te3… read more here.
Keywords: thin film; film heterostructures; topological surface; bi2te3 ... See more keywords
Probing the Topological Surface State in Bi2Se3 Thin Films Using Temperature-Dependent Terahertz Spectroscopy
Sign Up to like & getrecommendations! Published in 2017 at "ACS Photonics"
DOI: 10.1021/acsphotonics.7b00492
Abstract: Strong spin–momentum coupling in topological insulators gives rise to topological surface states, protected against disorder scattering by time reversal symmetry. The study of these exotic quantum states not only provides an opportunity to explore fundamental… read more here.
Keywords: surface state; surface; temperature dependent; spectroscopy ... See more keywords
Switching of band inversion and topological surface states by charge density wave
Sign Up to like & getrecommendations! Published in 2020 at "Nature Communications"
DOI: 10.1038/s41467-020-16290-w
Abstract: Topologically nontrivial materials host protected edge states associated with the bulk band inversion through the bulk-edge correspondence. Manipulating such edge states is highly desired for developing new functions and devices practically using their dissipation-less nature… read more here.
Keywords: band inversion; surface states; inversion; density wave ... See more keywords
Fermi level tuning and the robustness of topological surface states against impurity doping in Sn doped Sb2Te2Se
Sign Up to like & getrecommendations! Published in 2021 at "Applied Physics Letters"
DOI: 10.1063/5.0040697
Abstract: In this work, we have studied the transport properties of two different single crystals, Sb2Te2Se and Sn-doped Sb2Te2Se. By analyzing the Shubnikov–de Haas oscillations for the devices made from both the crystals, we have extracted… read more here.
Keywords: surface states; states impurity; doped sb2te2se; robustness topological ... See more keywords
Simultaneous detection of quantum oscillations from bulk and topological surface states in metallic
Sign Up to like & getrecommendations! Published in 2017 at "Philosophical Magazine"
DOI: 10.1080/14786435.2017.1314563
Abstract: Shubnikov–de Haas (SdH) oscillations in metallic are studied in magnetic fields up to 35 Tesla. It is demonstrated that two characteristic frequencies determine the quantum oscillations of the conductivity. Angle dependent measurements and calculations of… read more here.
Keywords: surface states; quantum oscillations; field; surface ... See more keywords
Anatomy of topological surface states: Exact solutions from destructive interference on frustrated lattices
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.085443
Abstract: The hallmark of topological phases is their robust boundary signature whose intriguing properties-such as the one-way transport on the chiral edge of a Chern insulator and the sudden disappearance ... read more here.
Keywords: anatomy topological; surface states; anatomy; states exact ... See more keywords