Ta2nise5单层厚度
WebMar 21, 2024 · Using high-resolution angle-resolved photoemission spectroscopy (ARPES), we systematically studied the electronic structures of quasi-one-dimensional (1D) ternary … WebThe layered chalcogenide Ta2NiSe5 has been recently discussed as a candidate for the excitonic insulator, though the nature of the excitation gap that opens below Tc=328K …
Ta2nise5单层厚度
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WebThe MoS2/Ta2NiSe5 device exhibits excellent photoelectric performance with the maximum responsivity of 515.6 A W-1 and 0.7 A W-1 at the wavelengths of 532 and 1064 nm under forward bias, respectively. WebAug 25, 2024 · The layered chalcogenide Ta2NiSe5 has recently attracted much interest as a strong candidate for the long sought excitonic insulator (EI). Since the physical properties of an EI are expected to depend sensitively on the external pressure, it is important to clarify the pressure evolution of microscopic electronic state in Ta2NiSe5. Here we report the …
WebMar 21, 2024 · Using high-resolution angle-resolved photoemission spectroscopy (ARPES), we systematically studied the electronic structures of quasi-one-dimensional (1D) ternary … WebJan 19, 2024 · Ta2NiSe5: a candidate topological excitonic insulator with multiple band inversions. The electronic structures and topological properties of the orthorhombic and …
WebX-Ray Absorption Spectra. Select an element to display a spectrum averaged over all sites of that element in the structure. Download spectra for every symmetrically equivalent absorption site in the structure. Download FEFF Input parameters. Warning: These results are intended to be semi-quantitative in that corrections, such as edge shifts and ... WebMar 2, 2024 · Our experimental measurements unambiguously establish the normal state as a semimetal with a significant band overlap of >100 meV. Our temperature-dependent …
Web1， Lu, Y. F., et al. "Zero-gap semiconductor to excitonic insulator transition in Ta 2 NiSe 5." Nature communications 8.1 (2024): 1-7.. 2， Seo, Yu-Seong, et al. "Publisher Correction: …
WebFeb 1, 1986 · The relative precision of the resistance measurements versus temperature is approximately .02%. The anisotropy of the resistivity of Ta2NiSe5 in the plane of the layer was measured by the Montgomery technique [5] on a rectangular sample with two edges parallel to the crystallographic a axis and the two opposite edges perpendicular to the a … ham pffWebJun 1, 2024 · Broadband photodetectors have attracted substantial attention in recent years. The ternary chalcogenide Ta2NiSe5 is a layered material with a direct narrow-band gap (Eg ∼0.33 eV) which possesses ... burr performing arts parkWebAug 1, 2009 · Abstract. We report on a photoemission study of Ta2NiSe5 that has a quasi-one-dimensional structure and an insulating ground state. Ni 2p core-level spectra show that the Ni 3d subshell is ... hamp fay michigan stateWebJan 26, 2024 · The crystal structure of the excitonic insulator Ta 2 NiSe 5 has been investigated under a range of pressures, as determined by the complementary analysis … burr philly rantWebMar 23, 2024 · The excitonic insulator is an intriguing electronic phase of condensed excitons. A prominent candidate is the small bandgap semiconductor Ta 2 NiSe 5, in which excitons are believed to undergo a Bose-Einstein condensation–like transition.However, direct experimental evidence for the existence of a coherent condensate in this material … burr pilger mayer san franciscoWebSep 14, 2024 · We present a generic procedure for quantifying the interplay of electronic and lattice degrees of freedom in photodoped insulators through a comparative analysis of theoretical many-body simulations and time- and angle-resolved photoemission spectroscopy (TR-ARPES) of the transient response of the candidate excitonic insulator … burr photoWebMay 28, 2024 · DOI: 10.1038/s41524-021-00675-6 Corpus ID: 235248049; Common microscopic origin of the phase transitions in Ta2NiS5 and the excitonic insulator candidate Ta2NiSe5 @article{Windgtter2024CommonMO, title={Common microscopic origin of the phase transitions in Ta2NiS5 and the excitonic insulator candidate Ta2NiSe5}, … burr photography