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Anomalous magneto-thermoelectric behavior in massive Dirac materials
Yanan Li, Huichao Wang, Jingyue Wang +15
Extensive studies of electron transport in Dirac materials have shown positive magneto-resistance (MR) and positive magneto-thermopower (MTP) in a magnetic field perpendicular to t…
Phonons and phase symmetries in bulk from scattering measurements and theory
Xun Li, Seunghwan Do, Jiaqiang Yan +7
Phonon-derived behaviors are important indicators of novel phenomena in transition metal trihalides, including spin liquid behavior, two-dimensional magnetism, and spin-lattice cou…
On the Role of Defects in the Electronic Structure of MnBiSbTe
Daniel Nevola, Kevin F. Garrity, Nader Zaki +4
Elemental substitution is a proven method of Fermi level tuning in topological insulators, which is needed for device applications. Through static and time resolved photoemission,…
Gaps in Topological Magnon Spectra: Intrinsic vs. Extrinsic Effects
Seung-Hwan Do, Joseph A. M. Paddison, Gabriele Sala +9
For topological magnon spectra, determining and explaining the presence of a gap at a magnon crossing point is a key to characterize the topological properties of the system. An in…
Hidden local symmetry breaking in a kagome-lattice magnetic Weyl semimetal
Qiang Zhang, Yuanpeng Zhang, Masaaki Matsuda +5
Exploring the relationship between intriguing physical properties and structural complexity is a central topic in studying modern functional materials. CoSnS, a n…
Flat-Band Itinerant Antiferromagnetism in the Kagome Metal CoSn1-xInx
B. C. Sales, W. R. Meier, D. S. Parker +12
Destructive interference of electron hopping on the frustrated kagome lattice generates Dirac nodes, saddle points, and flat bands in the electronic structure. The latter provides…