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Superconductivity by alloying the topological insulator SnBi2Te4
Michael A. McGuire, Heda Zhang, Andrew F. May +7
Alloying indium into the topological insulator Sn1-xInxBi2Te4 induces bulk superconductivity with critical temperatures Tc up to 1.85 K and upper critical fields up to about 14 kOe…
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…
Charge density wave in kagome lattice intermetallic ScV6Sn6
Hasitha W. Suriya Arachchige, William R. Meier, Madalynn Marshall +6
Materials hosting kagome lattices have drawn interest for the diverse magnetic and electronic states generated by geometric frustration. In the VSb compounds ( = K, R…
Above-room-temperature ferromagnetism in ultrathin van der Waals magnet
Hang Chen, Shahidul Asif, Kapildeb Dolui +16
Two-dimensional (2D) magnetic van der Waals materials provide a powerful platform for studying fundamental physics of low-dimensional magnetism, engineering novel magnetic phases,…
Gate-tunable proximity effects in graphene on layered magnetic insulators
Chun-Chih Tseng, Tiancheng Song, Qianni Jiang +11
The extreme versatility of two-dimensional van der Waals (vdW) materials derives from their ability to exhibit new electronic properties when assembled in proximity with dissimilar…
Topological Electronic Structure Evolution with Symmetry Breaking Spin Reorientation in (FeCo)Sn
Robert G. Moore, Satoshi Okamoto, Haoxiang Li +8
Topological materials hosting kagome lattices have drawn considerable attention due to the interplay between topology, magnetism, and electronic correlations. The (FeCo…
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…
Electronic and topological properties of the van der Waals layered superconductor PtTe
Michael A. McGuire, Yun-Yi Pai, Matthew Brahlek +2
We report the crystal growth and structural and electronic properties of superconducting, van der Waals layered PtTe. Easily cleavable crystals with a plate-like morphology consist…
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…
Real-space visualization of short-range antiferromagnetic correlations in a magnetically enhanced thermoelectric
Raju Baral, Jacob Christensen, Parker Hamilton +10
Short-range magnetic correlations can significantly increase the thermopower of magnetic semiconductors, representing a noteworthy development in the decades-long effort to develop…