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11 papers · 2 filters
An unconventional platform for two-dimensional Kagome flat bands on semiconductor surfaces
Jae Hyuck Lee, GwanWoo Kim, Inkyung Song +8
In condensed matter physics, the Kagome lattice and its inherent flat bands have attracted considerable attention for their potential to host a variety of exotic physical phenomena…
Broken inversion symmetry in van der Waals topological ferromagnetic metal iron germanium telluride
Kai-Xuan Zhang, Hwiin Ju, Hyuncheol Kim +4
Inversion symmetry breaking is critical for many quantum effects and fundamental for spin-orbit torque, which is crucial for next-generation spintronics. Recently, a novel type of…
Investigation of the mechanism of the anomalous Hall effects in Cr2Te3/(BiSb)2(TeSe)3 heterostructure
Seong Won Cho, In Hak Lee, Youngwoong Lee +8
The interplay between ferromagnetism and the non-trivial topology has unveiled intriguing phases in the transport of charges and spins. For example, it is consistently observed the…
Pulsed-mode metalorganic vapor-phase epitaxy of GaN on graphene-coated c-sapphire for freestanding GaN thin films
Seokje Lee, Muhammad S. Abbas, Dongha Yoo +14
We report the growth of high-quality GaN epitaxial thin films on graphene-coated c-sapphire substrates using pulsed-mode metalorganic vapor-phase epitaxy, together with the fabrica…
Broken Kramers' degeneracy in altermagnetic MnTe
Suyoung Lee, Sangjae Lee, Saegyeol Jung +9
Altermagnetism is a newly identified fundamental class of magnetism with vanishing net magnetization and time-reversal symmetry broken electronic structure. Probing the unusual ele…
Nonlinear Topological Mechanics in Elliptically Geared Isostatic Metamaterials
Fangyuan Ma, Zheng Tang, Xiaotian Shi +5
Despite the extensive studies of topological systems, the experimental characterizations of strongly nonlinear topological phases have been lagging. To address this shortcoming, we…