A5101536182- 2D Materials and Applications
- Topological Materials and Phenomena
- MXene and MAX Phase Materials
- Advanced Condensed Matter Physics
- Magnetic and transport properties of perovskites and related materials
- Iron-based superconductors research
- Electronic and Structural Properties of Oxides
- Organic and Molecular Conductors Research
- Graphene research and applications
- Solid State Laser Technologies
- Laser Design and Applications
- Chalcogenide Semiconductor Thin Films
- Metamaterials and Metasurfaces Applications
- Multiferroics and related materials
- Crystallization and Solubility Studies
- Laser-Matter Interactions and Applications
- High-pressure geophysics and materials
- X-ray Diffraction in Crystallography
- Antenna Design and Analysis
- Plant Disease Management Techniques
- Perovskite Materials and Applications
- Advanced Antenna and Metasurface Technologies
- Rare-earth and actinide compounds
- Laser Material Processing Techniques
- Physics of Superconductivity and Magnetism
Jilin University
2023-2025
Zhejiang University of Science and Technology
2024-2025
Institute of Food Science & Technology
2025
Jilin Medical University
2025
High Magnetic Field Laboratory
2014-2024
Chinese Academy of Sciences
2014-2024
University of Chinese Academy of Sciences
2020-2024
Northwestern Polytechnical University
2022-2024
Hefei Institutes of Physical Science
2018-2024
Yantai Institute of Coastal Zone Research
2023-2024
We investigate theoretically the Landau levels (LLs) and magneto-transport properties of phosphorene under a perpendicular magnetic field within framework effective \textbf{\emph{k$\cdot$p}} Hamiltonian tight-binding (TB) model. At low regime, we find that LLs linearly depend both on LL index $n$ $B$, which is similar with conventional semiconductor two-dimensional electron gas. The splittings conduction valence band are different wavefunctions corresponding to strongly anisotropic due...
Significance Three-dimensional (3D) Dirac semimetals have attracted a lot of advanced research recently on many exotic properties and their association with crystalline electronic structures under extreme conditions. As one the fundamental state parameters, high pressure is an effective, clean way to tune lattice as well states, especially in quantum thus magnetic properties. In this paper, by combining multiple experimental probes (synchrotron X-ray diffraction, low-temperature transport...
TaAs as one of the experimentally discovered topological Weyl semimetal has attracted intense interests recently. The ambient two types nodes which are not on same energy level. As an effective way to tune lattice parameters and electronic interactions, high pressure is becoming a significant tool explore new materials well their exotic states. Therefore, it highly interesting investigate behaviors fermions possible structural phase transitions in under pressure. Here, with combination ab...
Abstract We present in situ high-pressure synchrotron X-ray diffraction (XRD) and Raman spectroscopy study, electrical transport measurement of single crystal WSe 2 diamond anvil cells with pressures up to 54.0–62.8 GPa. The XRD results show that the phase undergoes a pressure-induced iso-structural transition via layer sliding, beginning at 28.5 GPa not being completed around 60 data also reveals dominant role in-plane strain over out-of plane compression helping achieve transition....
WTe2 is provoking immense interest owing to its extraordinary properties, such as large positive magnetoresistance, pressure-driven superconductivity and possible type-II Weyl semimetal state. Here we report results of high-pressure synchrotron X-ray diffraction (XRD), Raman electrical transport measurements on WTe2. Both the XRD reveal a structural transition upon compression, starting at 6.0 GPa completing above 15.5 GPa. We have determined that lattice symmetry monoclinic 1T′ with space...
Cell cycle progression and the phytohormones auxin abscisic acid (ABA) play key roles in primary root growth, but how ABA mediates transcription of cell cycle-related genes mechanism crosstalk between requires further research. Here, we report that inhibits growth by regulating INSENSITIVE4 (ABI4)-CYCLIN-DEPENDENT KINASE B2;2 (CDKB2;2)/CYCLIN B1;1 (CYCB1;1) module-mediated as well biosynthesis Arabidopsis (Arabidopsis thaliana). induced ABI4 tip, abi4 mutant showed an ABA-insensitive...
2D van der Waals (vdW) antiferromagnets have received intensive attention due to their terahertz resonance, multilevel magnetic-order states, and ultrafast spin dynamics. However, accurately identifying magnetic configuration still remains a challenge owing the lack of net magnetization insensitivity external fields. In this work, Néel-type antiferromagnetic (AFM) order in antiferromagnet VPS3 with out-of-plane anisotropy, which is demonstrated by temperature-dependent spin-phonon coupling...
Abstract Charge density wave (CDW), the periodic modulation of electronic charge density, will open a gap on Fermi surface that commonly leads to decreased or vanishing conductivity. On other hand superconductivity, believed competing order, features results in infinite Here we report superconductivity emerges upon Se doping CDW conductor ZrTe 3 when long range order is gradually suppressed. Superconducting critical temperature T c ( x ) 3− (0 ≤ 0.1) increases up 4 K plateau for 0.04 0.07....
Hexagon-like MAX-phase V4AlC3 single crystals grown by a high-temperature flux method were characterized X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), and energy-dispersive spectroscopy (EDX). We report, for the first time, first-order Raman spectra (RS) of experimentally theoretically. Via combination results thermogravimetric analysis, differential calorimetry, XRD, FE-SEM, EDX, oxidation performance mechanism between 300 1473 K in air clarified....
The recent-discovered Sr$_x$Bi$_2$Se$_3$ superconductor provides an alternative and ideal material base for investigating possible topological superconductivity. Here, we report that in Sr$_{0.065}$Bi$_{2}$Se$_3$, the ambient superconducting phase is gradually depressed upon application of external pressure. At high pressure, a second emerges at above 6 GPa, with maximum $T_c$ value $\sim$8.3 K. joint investigations high-pressure synchrotron x-ray diffraction electrical transport properties...
Abstract Band engineering in layered metal dichalcogenides leads to a variety of physical phenomena and has obtained considerable attention recently. In this work, pressure‐induced metallization superconductivity pristine 1 T ‐SnSe 2 is reported via electrical transport synchrotron X‐ray diffraction experiments. Electrical results show that the emerges above 15.2 GPa followed by appearance superconducting transition at 18.6 GPa. The robust with nearly constant c ≈ 6.1 K between 30.1 50.3...
An excitonic insulating (EI) state is a fantastic correlated electron phase in condensed matter physics, driven by screened electron-hole interaction. Ta2NiSe5 an insulator with critical temperature (TC) of 328 K. In the current study, temperature-dependent Raman spectroscopy used to investigate phonon vibrations Ta2NiSe5. The following observations were made: (1) abnormal blue shift around TC observed, which originates from monoclinic orthorhombic structural transition; (2) splitting mode...
Band engineering in layered transition metal dichalcogenides (TMDs) leads to a variety of emergent phenomena and has obtained considerable attention recently. Transition ditelluride ${\mathrm{NiTe}}_{2}$ been discovered experimentally be type-II Dirac semimetal at ambient pressure, was predicted display superconductivity the monolayer limit. Here we systematically investigate structural electronic properties under high pressure. Room-temperature synchrotron x-ray diffraction Raman scattering...
Changes in volatile content, as well associated gene expression and enzyme activity developing cucumber fruits were investigated two Cucumis sativus L. lines (No. 26 No. 14) that differ significantly fruit flavor. Total volatile, six-carbon (C6) aldehyde, linolenic linoleic acid content higher during the early stages, whereas nine-carbon (C9) aldehyde was latter stages both lines. Expression of C. hydroperoxide lyase (CsHPL) mirrored 13-hydroperoxide (13-HPL) variety 26, CsHPL correlated...
Abstract Understanding the effects of thermal fatigue damage on failure mechanisms rocks is a key concern in underground engineering. The high temperature physical–mechanical behaviors and mechanism basalt under uniaxial compression are investigated with combination acoustic emission (AE), computed tomography (CT), scanning electron microscope (SEM). heavily affects properties but has no effect mineral compositions. evolution characteristics inter‐event time function F (τ) cumulative AE...
We report a pulse Fe: ZnSe laser pumped by an optical chopper Q-switched Er: YAG laser. By analyzed the spatial and temporal match of gain chopper, maximum energy is 31mJ with width 165 ns. employing this as pump crystal, output 10mJ 80 ns at room temperature, that system to best our knowledge. also study directly laser, 2.7mJ mid-infrared 200 obtained K.
The ternary van der Waals (vdW) pentagonal semiconductor PdPSe has gathered significant attention due to its unique anisotropic structure and exotic optoelectronic properties originating from the distinct Cairo tiling topology. Here, we report pressure tuning of photoelectronic electronic PdPSe. We show that photocurrent is enhanced by over two orders magnitude at 25.9 GPa suddenly disappears upon further compression. Meanwhile, metallization superconductivity simultaneously occur around 25...
A tunable middle infrared (mid-IR) burst-mode master oscillator power amplifier (MOPA) laser system was reported in this paper. The a MgO-doped periodically poled lithium niobate (MgO:PPLN) optical parametric (OPO), whose pulse width about 17 ns and the wavelength could be tuned continuously range of 3.76-4.05 µm. With burst repetition rate 10 Hz, duration 250 µs, single 300 kHz, with energy 322.5 µJ, 298.2 280.4 µJ obtained at wavelengths 3.76 µm, 3.92 4.05 respectively. Fe:ZnSe cooled by...
Abstract The family of transition-metal dipnictides, MX 2 (M: metal, X: N, P, As, Sb, and Bi), has emerged as an important quantum material system due to its unique physical properties, such large magnetoresistance, colossal Seebeck coefficients, Weyl semimetal characteristics. In order study the M-site ions effect on lattice structure related dynamics, we compared two isostructural compounds, FeSb RuSb . Neutron diffraction, specific heat, Raman scattering spectra were measured. We found...
Abstract Topological superconductivity with Majorana bound states, which are critical to implement nonabelian quantum computation, may be realized in three-dimensional semimetals nontrivial topological feature, when superconducting transition occurs the bulk. Here, we report pressure-induced a transition-metal dipnictide NbAs 2 . The emergence of is not accompanied by any structural phase up maximum experimental pressure 29.8 GPa, as supported pressure-dependent synchrotron X-ray diffraction...
It is commonly anticipated that an insulating state will collapse in favor of emergent metallic at high pressures: The average electron density must increase with pressure, while the electronic bandwidth expected to broaden and fill energy band gap. Here we report unusually stable persists up least 185 GPa $\mathrm{S}{\mathrm{r}}_{2}\mathrm{Ir}{\mathrm{O}}_{4}$, archetypical spin-orbit-driven ${J}_{\mathrm{eff}\phantom{\rule{0.28em}{0ex}}}=1/2$ insulator. This study shows electrical...