2021年4月12日 · Nickel ditelluride (NiTe 2), a recently discovered Type-II Dirac semimetal with topological Dirac fermions near the Fermi energy, is expected to exhibit strong thickness-mediated...

2024年3月30日 · Our results reveal the probable hinge states in unconventional metal NiTe 2, and demonstrate in-plane magnetic field as an efficient method to filter out the bulk contributions and thereby to...

2020年7月31日 · In this paper, we demonstrate with a combination of ARPES and comprehensive DFT calculations that the band structure of NiTe 2 shows the formation of type-II Dirac fermions near the Fermi level...

2025年2月15日 · Nickel ditelluride (NiTe2) is a newly identified Type-II Dirac semimetal, showing novel characteristics in electronic transport and optical experiments. In this study, we explored the nonlinear optical properties of two-dimensional NiTe2 using experimental and computational techniques (density functional theory-based approach).

2020年6月24日 · Two-dimensional (2D) metallic transition metal dichalcogenides (MTMDCs) supply a versatile platform for investigating newfangled physical issues and developing potential applications in electronics/spintronics/electrocatalysis. Among these, NiTe 2 (a type-II Dirac semimetal) possesses a Dirac point near its Fermi level.

By means of theory and experiments, the application capability of nickel ditelluride (NiTe 2) transition-metal dichalcogenide in catalysis and nanoelectronics is assessed. The Te surface termination forms a TeO 2 skin in an oxygen environment.

NiTe2 is Calaverite structured and crystallizes in the trigonal P-3m1 space group. The structure is two-dimensional and consists of one NiTe2 sheet oriented in the (0, 0, 1) direction. Ni4+ is bonded to six equivalent Te2- atoms to form edge-sharing NiTe6 octahedra.

2022年6月1日 · Among various kinds of TMDs, nickel ditelluride (NiTe 2) is a special type-II Dirac semi-metallic TMD material developed recently, showing great potential in ultrafast pulse generation due to its broadband optical response, ultrafast carrier recovery time, strong light-matter interaction and high chemical stability.

2022年8月1日 · Studies have shown that NiTe 2, a rarely-investigated material, also possesses Type II Dirac nodes approximately 80 meV above the Fermi level (E F) [4, 5]. These Dirac nodes exist in the k z (out-of-plane) direction within the Brillouin zone as a result of the strong interactions of the Te p z orbitals [5, 6].

2022年1月2日 · Nickel ditelluride (NiTe2), a new discovered type-II Dirac semimetal whose Dirac node lies close to its Fermi level, is expected to exhibit exotic phenomena including Lifshitz transition and...