5 papers
Tunable competing optical excitation pathways in the topological surface states of BiTe
Shin Yokoyama, Takahito Takeda, Nagi Suzuki +9
Understanding coherent optical responses of topological surface states (TSSs) requires disentangling excitation pathways from the electronic band structure. Here, using angle-resol…
Realization of a parity-violating antiferromagnetic state in LaMnSi
Takuma Iwata, K. Shiraishi, T. Aoyama +12
Spontaneous symmetry breaking underlies functional electronic phenomena in quantum materials. Breaking space-inversion () or time-reversal () symmetry can…
Spatial Control of Charge Doping in n-Type Topological Insulators
Kazuyuki Sakamoto, Hirotaka Ishikawa, Takashi Wake +17
Spatially controlling the Fermi level of topological insulators and keeping its electronic states stable are indispensable processes to put this material into practical use for sem…
Observation of spin splitting in the surface electronic structure of antiferromagnet NdBi
Rikako Yamamoto, Takeru Motoyama, Takuma Iwata +11
Spin splitting in electronic band structures via antiferromagnetic orders is a new route to control spin-polarized carriers that is available for spintronics applications. Here, we…
Hedgehog-like spin texture in Sb-doped MnBiTe
Meng Zeng, Shu Mo, Ke Zhang +13
We employ spin- and angle-resolved photoemission spectroscopy and circular-dichroism ARPES to systematically investigate the spin texture of Sb-doped MnBiTe. Our results di…