Results 81 to 90 of about 551,694 (368)

Quasi-one-dimensional topological material Bi4X4(X=Br,I)

Advances in Physics: X, 2022
Bismuth halogenides, a family of quasi-one-dimensional (1D) materials, including α and α phases of Bi4Br4 and Bi4I4, have been predicted to exhibit rich and interesting topological properties.
Junfeng Han, Wende Xiao, Yugui Yao
doaj   +1 more source

Topological magnon insulator in insulating ferromagnet [PDF]

Physical Review B, 2013
In the ferromagnetic insulator with Dzyaloshinskii-Moriya interaction, we theoretically predict and numerically verify a topological magnon insulator, where the charge-free magnon is topologically protected to transport along the edge while it is insulating in the bulk.
Zhang, L., Ren, J., Wang, J.-S., Li, B.
openaire   +2 more sources

Scanning Tunneling Microscopy Studies of Topological Insulators Grown by Molecular Beam Epitaxy

EPJ Web of Conferences, 2012
We summarize our recent scanning tunneling microscopy (STM) study of topological insulator thin films grown by molecular beam epitaxy (MBE), which includes the observation of electron standing waves on topological insulator surface and the Landau ...
Xue Qikun, Ma Xucun, He Ke, Chen Xi
doaj   +1 more source

Quantum phase transitions in the Kane-Mele-Hubbard model

, 2012
We study the two-dimensional Kane-Mele-Hubbard model at half filling by means of quantum Monte Carlo simulations. We present a refined phase boundary for the quantum spin liquid.
Assaad, F. F., Hohenadler, M., Lang, T. C., Meng, Z. Y., Muramatsu, A., Wessel, S.   +5 more
core   +1 more source

Gapless Dirac surface states in the antiferromagnetic topological insulator MnBi2Te4 [PDF]

Physical review B, 2019
A topological insulator can be converted to an axion insulator when time reversal symmetry is broken, which leads to the opening of a gap in the Dirac surface state.
P. Swatek, Yun Wu, Lin‐Lin Wang, Kyungchan Lee, B. Schrunk, Jiaqiang Yan, A. Kaminski   +6 more
semanticscholar   +1 more source

Inverse spin Hall effect in heterostructures “nanostructured ferromagnet/topological insulator”

EPJ Web of Conferences, 2018
Interaction between magnetization dynamics and spin polarized electronic transport has been studied for ferromagnet nanodisk situated upon a 3D topological insulator (TI) film.
Petrov P.N., Davydova M.D., Skirdkov P.N., Zvezdin K.A., Lin J.G., Huang J.C.A.   +5 more
doaj   +1 more source

Quasi-Topological Insulator and Trigonal Warping in Gated Bilayer Silicene

, 2012
Bilayer silicene has richer physical properties than bilayer graphene due to its buckled structure together with its trigonal symmetric structure.
Cahangirov S., Dresselhaus G., Ezawa M., Ezawa M., Ezawa M., Ezawa M., Feng B., Fleurence A., Guinea F., Hasan M. Z., Kane C. L., Lin C.-L., Liu C.-C., Liu C.-C., McCann E., Prada E., Qi X.-L., Takeda K., Vogt P., Wu C.   +19 more
core   +1 more source

Higher-Order Topological Insulator in Twisted Bilayer Graphene. [PDF]

Physical Review Letters, 2019
Higher-order topological insulators are newly proposed topological phases of matter, whose bulk topology manifests as localized modes at two- or higher-dimensional lower boundaries.
Moon Jip Park, Youngkuk Kim, G. Cho, SungBin Lee   +3 more
semanticscholar   +1 more source

Synchrotron Radiation for Quantum Technology

Advanced Functional Materials, EarlyView.
Materials and interfaces underpin quantum technologies, with synchrotron and FEL methods key to understanding and optimizing them. Advances span superconducting and semiconducting qubits, 2D materials, and topological systems, where strain, defects, and interfaces govern performance.
Oliver Rader, Sakura Pascarelli, Klaus Attenkofer, Anna A. Makarova, Karsten Holldack, Kai Rossnagel, Kristiaan Temst, George Kourousias, Stefano Carretta, Caterina Biscari, Helmut Dosch   +10 more
wiley   +1 more source

Quantum transport in topological insulator hybrid structures -- A combination of topological insulator and superconductor

, 2012
In this paper, a brief review of the history of topological insulators is given. After that,electronic transport experiments in topological insulator-superconductor hybrid structures, including experimental methods, physical properties and seemingly ...
Ou, YongXi, Singh, Meenakshi, Wang, Jian
core   +1 more source