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- Lawrence Berkeley National LaboratoryUS456 papers
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6 papers · 2 filters
Pnictogens Allotropy and Phase Transformation during van der Waals Growth
Matthieu Fortin-Deschênes, Hannes Zschiesche, Tevfik O. Menteş +13
Pnictogens have multiple allotropic forms resulting from their ns2 np3 valence electronic configuration, making them the only elemental materials to crystallize in layered van der…
Visualizing higher-fold topology in chiral crystals
Tyler A Cochran, Ilya Belopolski, Kaustuv Manna +21
Novel topological phases of matter are fruitful platforms for the discovery of unconventional electromagnetic phenomena. Higher-fold topology is one example, where the low-energy d…
Two phase transitions driven by surface electron-doping in WTe
Antonio Rossi, Giacomo Resta, Seng Huat Lee +6
WTe is a multifunctional quantum material exhibiting numerous emergent phases in which tuning of the carrier density plays an important role. Here we demonstrate two non-monoto…
Magnetic Properties and Electronic Structure of Magnetic Topological Insulator MnBiSe
Tiancong Zhu, Alexander J. Bishop, Tong Zhou +12
The intrinsic magnetic topological insulators MnBiX (X = Se, Te) are promising candidates in realizing various novel topological states related to symmetry breaking by magn…
Controlling magnetoresistance by tuning semimetallicity through dimensional confinement and heteroepitaxy
Shouvik Chatterjee, Shoaib Khalid, Hadass S. Inbar +7
Controlling the electronic properties via bandstructure engineering is at the heart of modern semiconductor devices. Here, we extend this concept to semimetals where, utilizing LuS…
Disparate exciton-phonon couplings for zone center and boundary phonons in solid-state graphite
Xuefei Feng, Shawn Sallis, Yu-Cheng Shao +8
The exciton-phonon coupling in highly oriented pyrolytic graphite is studied using resonant inelastic X-ray scattering (RIXS) spectroscopy. With ~ 70 meV energy resolution, multipl…