Yifei Huang

ORCID: 0000-0002-5382-966X
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Topological Materials and Phenomena
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Advanced Condensed Matter Physics
  • Graphene research and applications
  • 2D Materials and Applications
  • Advanced Thermoelectric Materials and Devices
  • GaN-based semiconductor devices and materials
  • Plant Ecology and Soil Science
  • Soil Carbon and Nitrogen Dynamics
  • Ga2O3 and related materials
  • Semiconductor materials and devices
  • Electronic and Structural Properties of Oxides
  • Iron-based superconductors research
  • Quantum and electron transport phenomena
  • Allergic Rhinitis and Sensitization
  • Tissue Engineering and Regenerative Medicine
  • Nuclear Physics and Applications
  • Soil erosion and sediment transport
  • Ecology and Vegetation Dynamics Studies
  • Electrospun Nanofibers in Biomedical Applications
  • Greenhouse Technology and Climate Control
  • Radiation Detection and Scintillator Technologies
  • Indoor Air Quality and Microbial Exposure
  • Inorganic Fluorides and Related Compounds

Singapore General Hospital
2025

Hunan Agricultural University
2025

University of Chinese Academy of Sciences
2020-2024

Chinese Academy of Sciences
2005-2024

Shanghai University
2024

Institute of Microelectronics
2022-2024

National Laboratory for Superconductivity
2020-2023

Institute of Physics
2020-2023

Czech Academy of Sciences, Institute of Physics
2023

Jimei University
2013

Abstract Understanding the effects of land use change on soil properties is important for quality improvement and sustainable use. In this study, six types including wasteland (WLD), cropland (CLD), abandoned (ABD), artificial grassland (AGD), shrubland (SLD) woodland (WOD) were selected to analyse nutrient in Anjiapo catchment western part Loess Plateau China. Significant differences found organic matter (SOM), total nitrogen (TN) nitrate (NON) ( P < 0.01) between types. Our study also...

10.1002/ldr.701 article EN Land Degradation and Development 2005-08-03

Magnetic Weyl semimetals (MWSMs) have attracted significant attention due to their intriguing physical properties and potential applications in spin-electronic devices. Here we report the characterization of NdAlSi including transport, magnetization, heat capacity on single crystals, as well band structure calculation. It is a newly proposed MWSM candidate which breaks both time-reversal spatial inversion symmetries. A temperature--magnetic field phase diagram experimentally established....

10.1103/physrevb.105.144435 article EN Physical review. B./Physical review. B 2022-04-29

ABSTRACT Straw‐returning‐driven sequestration of soil organic carbon (SOC) is critical for cropland (C) storage and stability. However, the effects plant‐ microbe‐derived C accumulation in SOC remain unclear rice systems. Herein, this study synthetically explored response microbial necromass lignin phenols to straw return assessed their contributions under two application amounts durations. The field‐based experiment was established 1982. results indicated that returning paddy fields...

10.1002/ldr.5595 article EN Land Degradation and Development 2025-03-25

<title>Abstract</title> Background and Objective Society guidelines for prostate cancer screening via PSA testing serve to standardize patient care, are often utilized by trainees, junior staff, or generalist medical practitioners guide decision-making. Adherence is a time-consuming challenging task rates of inappropriate high. This study evaluates retrieval-augmented generation (RAG) enhanced large language model (LLM), grounded in current EAU AUA guidelines, assess its effectiveness...

10.21203/rs.3.rs-5760861/v1 preprint EN cc-by Research Square (Research Square) 2025-03-31

Abstract The concentration of airborne fungal spores and bacteria as related to room temperature, humidity occupancy levels within a library building in Singapore was determined. Measurement indoor air quality with respect microorganisms is particular importance tropical environments due the extensive use air‐conditioning systems potential implications for human health. This study has revealed number interesting relationships between concentrations relation both environmental factors....

10.1002/abio.370200111 article EN Acta Biotechnologica 2000-01-01

Magnetic topological materials are a realization of topologically nontrivial electronic band structure with magnetic correlation effects; they offer novel opportunities in manipulating charge/spin transport as well spin texture. In the search for emergent phenomena that specific this class materials, here we report on type quantum oscillation polar Weyl semimetal (WSM) NdAlSi both temperature dependent electrical resistivity and heat at constant field. It is revealed arise from destructive...

10.1103/physrevb.108.024423 article EN Physical review. B./Physical review. B 2023-07-24

Abstract Interfaces between materials with different electronic ground states have become powerful platforms for creating and controlling novel quantum of matter, in which inversion symmetry breaking other effects at the interface may introduce additional states. Among emergent phenomena, superconductivity is particular interest. Here, by depositing metal films on a newly identified topological semimetal tungsten carbide (WC) single crystal, interfacial obtained, evidenced from soft...

10.1002/adma.201907970 article EN Advanced Materials 2020-02-28

Abstract The search for topological superconductivity (TSC) is currently an exciting pursuit, since non-trivial superconducting phases could host exotic Majorana modes. However, the difficulty in fabricating proximity-induced TSC heterostructures, sensitivity to disorder and stringent restrictions of intrinsic place serious limitations formidable challenges on materials related applications. Here, we report a new type TSC, namely surface (IS-TSC) demonstrate it layered AuSn 4 with T c 2.4 K....

10.1038/s41467-023-42781-7 article EN cc-by Nature Communications 2023-11-02

Finding promising materials that show large thermoelectricity at low temperatures is crucial for low-temperature refrigeration applications. Here, we report a significantly thermoelectric power factor (PF) up to 50 μW cm−1 K−2 an extremely temperature of ∼8 K in quasi-one-dimensional (Q1D) antiferromagnet KMn6Bi5, which highly electrical conductivity and dramatic enhancement Seebeck coefficient may favor its occurrence. In addition, giant Nernst signal has also been detected with maximum...

10.1063/5.0141225 article EN Applied Physics Letters 2023-02-27

We report a systematic study of the magnetoresistance, Hall effect, and electronic structure in an iodine-intercalated tungsten ditelluride (${\mathrm{WTe}}_{2}\mathrm{I}$) single crystal, which crystallizes centrosymmetric structure. ${\mathrm{WTe}}_{2}\mathrm{I}$ presents significant anisotropic magnetotransport behavior with magnetic field rotated $xz$ $yz$ planes violation Kohler's rule. Unexpectedly, nonsaturating linear magnetoresistance (LMR) was observed under parallel to $z$ axis...

10.1103/physrevb.105.125116 article EN Physical review. B./Physical review. B 2022-03-14

This study utilized a rapid detection technique, Isothermal Capture Transient Spectroscopy (ICTS), to identify and evaluate defects related GaN device surface buffer traps, investigated the mechanisms by which they affect dynamic performance of based devices. Interface states dielectric bulk traps were analyzed, unveiling distinctive behavior under positive gate pulse-biased ICTS. The observed S-shaped threshold voltage (VTH) instability gate-drain capacitance (CGD) issues directly...

10.1016/j.pedc.2024.100065 article EN cc-by-nc Power Electronic Devices and Components 2024-03-24

Abstract Interfaces between materials with different crystal structures and electronic properties offer an approach for creating controlling novel quantum states of matter, in which inversion symmetry breaking other effects at the boundaries may introduce additional states. Here observation superconductivity ≈3 K interface Weyl semimetal TaAs normal metal Ag is reported, as evidenced by soft‐point‐contact spectroscopy standard four‐probe resistance measurements. This from previous reports on...

10.1002/qute.202000020 article EN Advanced Quantum Technologies 2020-05-27

We report the magnetotransport properties and electronic structure of $\mathrm{Na}{\mathrm{Cd}}_{4}{\mathrm{As}}_{3}$ single crystal. The electric resistivity exhibits a metallic behavior. Clear Shubnikov--de Haas (SdH) oscillations have been observed at low temperatures high magnetic fields. A fundamental frequency small cyclotron effective mass are obtained from analysis SdH oscillations, which originate an ellipsoidal Fermi surface. Hall reveals multiband nature temperature electron...

10.1103/physrevb.102.115122 article EN Physical review. B./Physical review. B 2020-09-10

We report the experimental results of magnetotransport on single crystal ${\mathrm{MoGe}}_{2}$, which was theoretically predicated to be a topological insulator. The resistivity ${\mathrm{MoGe}}_{2}$ exhibits metallic behavior at zero field, while with magnetic fields applied along $z$ axis and perpendicular current, presents an upturn unsaturated quadratic large magnetoresistance (MR). analysis Hall effect shows that is compensated semimetal high mobilities low temperatures, origin MR. As...

10.1103/physrevb.103.134116 article EN Physical review. B./Physical review. B 2021-04-21

Most existing video understanding benchmarks for multimodal large language models (MLLMs) focus only on short videos. The limited number of long often rely solely multiple-choice questions (MCQs). However, because the inherent limitation MCQ-based evaluation and increasing reasoning ability MLLMs, can give current answer purely by combining with elimination, without genuinely content. To address this gap, we introduce CG-Bench, a novel benchmark designed clue-grounded question answering in...

10.48550/arxiv.2412.12075 preprint EN arXiv (Cornell University) 2024-12-16

700 V/2.5 A enhancement-mode (E-mode) ultrathin-barrier (UTB)-AlGaN (<6nm)/GaN metal-insulator-semiconductor high-electron-mobility transistors (MIS-HEMTs) device was demonstrated on 6-inch GaN-on-Si wafers without AlGaN barrier recess. combination of plasma-enhanced atomic-layer-deposited (PEALD) AlN and low-pressure chemical-vapor-deposited (LPCVD) SiN <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</inf> passivation layer is adopted for the...

10.1109/ispsd57135.2023.10147548 article EN 2023-05-28

Effect of bulk states in passivation dielectrics on dynamic gate-drain capacitance (C <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">GD</inf> ) and Q GaN-based power devices, was systematically investigated by inductive-load switching, voltage/temperature-dependent capacitance-voltage (C-V) deep level transient spectroscopy (DLTS) measurements. DLTS measurements confirm that the with activation energy (E...

10.1109/ispsd49238.2022.9813604 article EN 2022-05-22

We report a comprehensive study on layered-structure compound of NaZn 4 As 3 , which has been predicted to be an ideal topological semimetal (TSM) candidate. It is found that undergoes structural transformation from high temperature rhombohedral low monoclinic phase. The electric resistivity exhibits metal-to-insulator-like transition at around 100 K, and then develops plateau temperature, might related the protected topologically conducting surface states. Our first-principles calculation...

10.1088/1674-1056/acbe2f article EN Chinese Physics B 2023-02-23
Coming Soon ...