A5084679568- 2D Materials and Applications
- Topological Materials and Phenomena
- Graphene research and applications
- MXene and MAX Phase Materials
- Perovskite Materials and Applications
- Advanced Condensed Matter Physics
- Quantum and electron transport phenomena
- Heusler alloys: electronic and magnetic properties
- Iron-based superconductors research
- Magnetic and transport properties of perovskites and related materials
- Advanced Photocatalysis Techniques
- Chalcogenide Semiconductor Thin Films
- Ammonia Synthesis and Nitrogen Reduction
- Electrocatalysts for Energy Conversion
- Catalytic Processes in Materials Science
- Earthquake Detection and Analysis
- Electronic and Structural Properties of Oxides
- Fuel Cells and Related Materials
- Dust and Plasma Wave Phenomena
- Ionosphere and magnetosphere dynamics
- Organic and Molecular Conductors Research
- Quantum Computing Algorithms and Architecture
- Hepatitis B Virus Studies
- ZnO doping and properties
- Hepatitis Viruses Studies and Epidemiology
Songshan Lake Materials Laboratory
2024-2025
Institute of Physics
2024
Shenzhen University
2021-2024
University of Science and Technology of China
2017-2023
Abasyn University
2021
Hefei National Center for Physical Sciences at Nanoscale
2017-2018
Chinese Academy of Sciences
2017
Federal Urdu University
2017
Near-infrared (NIR) polarization photodetectors with two-dimensional (2D) semiconductors and their van der Waals (vdW) heterostructures have presented great impact for the development of a wide range technologies, such as in optoelectronics communication fields. Nevertheless, lack photogenerated charge carrier at device's interface leads to poor collection efficiency low linear dichroism ratio, hindering achievement high-performance optoelectronic devices multifunctionalities. Herein, we...
Abstract 2D van der Waal (vdWs) heterostructures present unique optoelectronic characteristics, making them favorable layer structures for constructing promising devices with multifunctional applications. Nevertheless, as a result of significant interface recombination the photogenerated electron‐hole pairs and presence various absorption edges within constituent layers, they are prone to experiencing low carrier collection efficiency. In this work, combined theoretical experimental...
Abstract The advancement of nanotechnology has produced a huge potential to prepare highly sensitive and portable sensors with low cost energy consumption. Here, comprehensive review the recent development two‐dimensional nanomaterials for gas is presented. Emerging kinds nanomaterials‐based high surface‐to‐volume ratio porous nanostructures are considered superior adsorption molecules, various gases have been discussed in this review. In addition, strategies that can enhance sensor...
The realization of the Kane-Mele model in Xene solids faces challenges due to weak spin-orbit coupling (SOC). Nevertheless, recently discovered ${X}_{4}{Y}_{2}{Z}_{6}$ family ($X$=Pt, Pd, Ni; $Y$=Hg, Zn, Cd; and $Z$=S, Se, Te) offers a promising opportunity with larger SOC. However, presence centrosymmetry this hinders achievement several cross-coupling phenomena based on spintronics valleytronics. This study explores noncentrosymmetric version family, ${X}_{4}Y{Y}^{\ensuremath{'}}{Z}_{6}$...
In flat-band systems, emergent physics can be substantially modified by the presence of another nearby electronic band. For example, a Mott˘Hubbard insulator turn into charge transfer if other states enter between upper and lower Hubbard bands. Here, we introduce twisted double bilayer (TDB) WSe2, with twist angles near 60°, as controllable platform in which K-valley band tuned to close vicinity Γ-valley moiré flat At half-filling, correlations split bands charge-transfer forms Using gate...
Abstract The unfilled skutterudite family has recently gained attention as a potential platform for hosting Dirac states. In this study, we systematically investigate the transport properties of IrSb 3 single crystals. Magnetoresistance measurements exhibit prominent Shubnikov-de Haas oscillations and negative magnetoresistance at low temperatures. Quantum oscillation analysis extracts nontrivial Berry phase confirms three-dimensional Fermi surface. Additionally, density functional theory...
Jacutingaite family, a family of naturally occurring exfoliable minerals (${\mathrm{Pt}}_{2}{\mathrm{HgSe}}_{3}$ and ${\mathrm{Pd}}_{2}{\mathrm{HgSe}}_{3}$) discovered in Brazil, is recently predicted to be the very first large-gap Kane-Mele quantum spin Hall insulators. However, yet date, door locked for realizing versatile spin-valley based phenomena due inversion symmetry this family. By exploiting using different strategies such as placing jacutingaite vertical electric field or growing...
Ammonia (NH 3 ) is a crucial chemical commodity used extensively in fertilizer production and as renewable potential energy carrier.
The critical behavior of Heusler alloy $\mathrm{Co}{}_{2}\mathrm{TiSn}$ is investigated by bulk magnetization study around the paramagnetic to ferromagnetic transition. precise value Curie temperature ($T{}_{c}=358\phantom{\rule{4pt}{0ex}}\mathrm{K}$) as well exponents ($\ensuremath{\beta}=0.527\ifmmode\pm\else\textpm\fi{}0.003, \ensuremath{\gamma}=1.229\ifmmode\pm\else\textpm\fi{}0.002$, and $\ensuremath{\delta}=3.33\ifmmode\pm\else\textpm\fi{}0.002$) were determined means different...
Bringing together spin, valley, topology, and layer degrees of freedom on a single platform could establish an efficient way to engineer phenomena such as valley-symmetry-broken magnetic topological insulators. Here, we combine van der Waals (vdW) layered ferromagnetic insulators (${\mathrm{CrGeTe}}_{3}$ ${\mathrm{CrI}}_{3}$) Kane-Mele-type (${\mathrm{Pt}}_{2}{\mathrm{HgSe}}_{3}$ ${\mathrm{Pd}}_{2}{\mathrm{HgSe}}_{3}$) in the form heterobilayers. We find that mutual interfacial coupling...
The magnetization of the highly air-stable two-dimensional (2D) intrinsic ferromagnet ${\mathrm{FeTa}}_{3}{\mathrm{S}}_{6}$ single crystal has been systematically investigated. Magnetization measurement revealed paramagnetic to ferromagnetic (PM-FM) phase transition at around 35 K and a strong magnetic anisotropy along crystallographic c axis ($H\ensuremath{\parallel}c$). critical exponents $\ensuremath{\beta}$ = 0.189(2), $\ensuremath{\gamma}$ 1.423(1), $\ensuremath{\delta}=8.531(7)$ with...
Metalenses of adjustable power and ultrathin flat zoom lens system have emerged as a promising key photonic device for integrated optics advanced reconfigurable optical systems. Nevertheless, realizing an active metasurface retaining lensing functionality in the visible frequency regime has not been fully explored to design devices. Here, we present focal tunable metalens intensity through control hydrophilic hydrophobic behavior freestanding thermoresponsive hydrogel. The is comprised...
Abstract A subclass of two-dimensional materials with honeycomb structure, namely buckled Xene monolayers, are efficient for topological applications due to varying degrees buckling in their lattice structure and have received a significant revival interest the last few years. However, to-date, less attention, as compared to, planer bilayers has been assigned bilayers. The can offer unique platform study transport properties bilayer systems. In this study, we explore unknown behaviour by...
${\mathrm{Co}}_{2}$-based Heusler alloys show diverse magnetic behavior, extending from the localized Heisenberg to delocalized itinerant, and thus cannot be generalized with one specific model. Therefore, we bring together experiments first-principles calculations reveal origin of long-range ferromagnetism in alloy ${\mathrm{Co}}_{2}\mathrm{HfSn}$. The precise value critical exponents $\ensuremath{\beta}=0.471(4), \ensuremath{\gamma}=1.02(4)$, $\ensuremath{\delta}=3.273(5)$ Curie...
Single-crystalline FeTe2 in marcasite phase with orthorhombic structure was prepared via chemical vapor transport. Cooling single crystals from room temperature down to [Formula: see text], multiple magnetic transitions were observed. Paramagnetic (PM) antiferromagnetic (AFM) and then ferromagnetic (FM) occurred at text] for in-plane, out-of-plane, respectively. A strong uniaxial anisotropy found due FeTe6 octahedron distortion structural modulation FM region. The novel negative volume...
We explored the possibility of realizing quantum anomalous Hall effect by placing a heavy-element atomic layer on top monolayer ${\mathrm{CrI}}_{3}$ with natural cleavage surface and broken time-reversal symmetry. showed that ${\mathrm{CrI}}_{3}/X$ ($X=\text{Bi}$, Sb, or As) systems can open up sizable bulk gap to harbor effect; e.g., ${\mathrm{CrI}}_{3}/\mathrm{Bi}$ is magnetic insulator 30 meV, which be further enlarged via strain engineering adjusting spin orientations. also found...
Taking various combinations of M = (Mo, W) and X (C, S, Se) as examples, we propose that MX (M transition metals, IV,V or VI elements) family can establish an excellent platform for both conventional topological spintronics applications based on anisotropic Rashba-like non-magnetic Zeeman-type spin splittings with electrically tunable nature. In particular, observe sizeable Zeeman-like Meanwhile, they exhibit topologically robust helical edge states when grown in ferroelectric paraelectric...