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    Article

    Axion optical induction of antiferromagnetic order

    Using circularly polarized light to control quantum matter is a highly intriguing topic in physics, chemistry and biology. Previous studies have demonstrated helicity-dependent optical control of chirality and...

    Jian-**ang Qiu, Christian Tzschaschel, Junyeong Ahn, Anyuan Gao in Nature Materials (2023)

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    Evidence of a room-temperature quantum spin Hall edge state in a higher-order topological insulator

    Room-temperature realization of macroscopic quantum phases is one of the major pursuits in fundamental physics1,2. The quantum spin Hall phase36 is a topological quantum phase that features a two-dimensional ins...

    Nana Shumiya, Md Shafayat Hossain, Jia-**n Yin, Zhiwei Wang in Nature Materials (2022)

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    Two-dimensional MX Dirac materials and quantum spin Hall insulators with tunable electronic and topological properties

    We propose a novel class of two-dimensional (2D) Dirac materials in the MX family (M = Be, Mg, Zn and Cd, X = Cl, Br and I), which exhibit graphene-like band structures with linearly-dispersing Dirac-cone stat...

    Yan-Fang Zhang, **bo Pan, Huta Banjade, Jie Yu, Hsin Lin, Arun Bansil in Nano Research (2021)

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    Coexistence of large conventional and planar spin Hall effect with long spin diffusion length in a low-symmetry semimetal at room temperature

    The spin Hall effect (SHE) is usually observed as a bulk effect in high-symmetry crystals with substantial spin–orbit coupling (SOC), where the symmetric spin–orbit field imposes a widely encountered trade-off...

    Peng Song, Chuang-Han Hsu, Giovanni Vignale, Meng Zhao, Jiawei Liu in Nature Materials (2020)

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    Topological quantum properties of chiral crystals

    Chiral crystals are materials with a lattice structure that has a well-defined handedness due to the lack of inversion, mirror or other roto-inversion symmetries. Although it has been shown that the presence o...

    Guoqing Chang, Benjamin J. Wieder, Frank Schindler, Daniel S. Sanchez in Nature Materials (2018)

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    The integrity of two sides

    The observations of unusual edge properties in scanning tunnelling spectroscopy and the predicted band structure in photoemission spectra of a monolayer FeSe superconductor reveal its non-trivial topological n...

    Wei-Feng Tsai, Hsin Lin in Nature Materials (2016)

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    Dirac mass generation from crystal symmetry breaking on the surfaces of topological crystalline insulators

    The tunability of topological surface states and controllable opening of the Dirac gap are of fundamental and practical interest in the field of topological materials. In the newly discovered topological cryst...

    Ilija Zeljkovic, Yoshinori Okada, Maksym Serbyn, R. Sankar in Nature Materials (2015)

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    Imaging the evolution of metallic states in a correlated iridate

    Iridate materials are at present the focus of interest because the combination of strong spin–orbit effects and many-body electronic correlations makes their physics non-trivial. Now, the density of states of Sr3

    Yoshinori Okada, Daniel Walkup, Hsin Lin, Chetan Dhital, Tay-Rong Chang in Nature Materials (2013)

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    Half-Heusler ternary compounds as new multifunctional experimental platforms for topological quantum phenomena

    Topological insulators have been predicted and recently demonstrated experimentally in a series of binary alloys. It is now show theoretically that ternary half-Heusler alloys have electronic properties simila...

    Hsin Lin, L. Andrew Wray, Yuqi **a, Suyang Xu, Shuang Jia in Nature Materials (2010)