Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Chengwang Niu"'
Publikováno v:
Advanced Science, Vol 10, Iss 22, Pp n/a-n/a (2023)
Abstract Weyl semimetals (WSMs) have attracted great attentions that provide intriguing platforms for exploring fundamental physical phenomena and future topotronics applications. Despite the fact that numerous WSMs are achieved, WSMs with long‐dis
Externí odkaz:
https://doaj.org/article/d059c95548e74632a653208b335bc144
Publikováno v:
npj Computational Materials, Vol 8, Iss 1, Pp 1-7 (2022)
Abstract Nonsymmorphic symmetries open up horizons of exotic topological boundary states and even generalize the bulk–boundary correspondence, which, however, the third-order topological insulator in electronic materials are still unknown. Here, by
Externí odkaz:
https://doaj.org/article/5ea0d90007f04cdb97d82b415ba6e152
Autor:
Lukáš Nádvorník, Oliver Gueckstock, Lukas Braun, Chengwang Niu, Joachim Gräfe, Gunther Richter, Gisela Schütz, Hidenori Takagi, Mahmoud Zeer, Tom S. Seifert, Peter Kubaščík, Avanindra K. Pandeya, Abdelmadjid Anane, Heejun Yang, Amilcar Bedoya‐Pinto, Stuart S. P. Parkin, Martin Wolf, Yuriy Mokrousov, Hiroyuki Nakamura, Tobias Kampfrath
Publikováno v:
Advanced Materials Interfaces, Vol 9, Iss 36, Pp n/a-n/a (2022)
Abstract Transition‐metal dichalcogenides (TMDCs) are an aspiring class of materials with unique electronic and optical properties and potential applications in spin‐based electronics. Here, terahertz emission spectroscopy is used to study spin
Externí odkaz:
https://doaj.org/article/67c757bfd8594b2190a8d875fd69ead0
Autor:
Chengwang Niu, Jan-Philipp Hanke, Patrick M. Buhl, Hongbin Zhang, Lukasz Plucinski, Daniel Wortmann, Stefan Blügel, Gustav Bihlmayer, Yuriy Mokrousov
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-10 (2019)
Whether topological semimetal states can emerge in two-dimensional magnetic materials remains less understood. Here, Niu and Hanke et al. propose the concepts of mixed Weyl and nodal-line semimetallic phases by including the magnetization direction i
Externí odkaz:
https://doaj.org/article/ea289ef211eb4f1e8a06beff406d1f25
Publikováno v:
New Journal of Physics, Vol 24, Iss 5, p 053038 (2022)
Creating and engineering the topological features of intrinsic magnets are essential for topological spintronic applications. Here, we propose a material platform to realize the switchable topological phase transition between quantum anomalous Hall (
Externí odkaz:
https://doaj.org/article/467832705ace4e4ab030213f6536c6f0
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-8 (2017)
Electric-field control of magnetization switching is highly promising for low-dissipation spintronics. Here, the authors propose an electrically induced topological phase transition mediated by spin orbit torques as attractive way to control magnetiz
Externí odkaz:
https://doaj.org/article/4bf0f3cf085d45b59bc0a5438fc57b54
Autor:
Markus Eschbach, Martin Lanius, Chengwang Niu, Ewa Młyńczak, Pika Gospodarič, Jens Kellner, Peter Schüffelgen, Mathias Gehlmann, Sven Döring, Elmar Neumann, Martina Luysberg, Gregor Mussler, Lukasz Plucinski, Markus Morgenstern, Detlev Grützmacher, Gustav Bihlmayer, Stefan Blügel, Claus M. Schneider
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-9 (2017)
Coexistence of a topological insulator phase and a topological crystalline insulator phase helps to maintain topological properties under a controlled symmetry breaking perturbation. Here, Eschbacket al. report a superlattice of Bi and Bi2Te3to be su
Externí odkaz:
https://doaj.org/article/39ed1759900149d9b90882de2509cd31
Publikováno v:
New Journal of Physics, Vol 23, Iss 12, p 123018 (2021)
Magnetic topological states have attracted significant attentions due to their intriguing quantum phenomena and potential applications in topological spintronic devices. Here, we propose a two-dimensional material NpAs monolayer as a candidate for mu
Externí odkaz:
https://doaj.org/article/1262afe5deda4be190d6e4fe2730f5fa
Publikováno v:
New Journal of Physics, Vol 15, Iss 7, p 073008 (2013)
We report that β -InSe endowed with external strain realizes a novel three dimensional topological insulator (TI) by ab initio calculations. We predicate that the promising topological non-trivial state can be observed in an accessible temperature r
Externí odkaz:
https://doaj.org/article/c116c6601e5f4f2ab4396da2cc5da2f8
Publikováno v:
Advanced Science.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f6e7d4c20e7fd1fef24f719f11142df7
https://doi.org/10.1002/advs.202301474
https://doi.org/10.1002/advs.202301474