Xiaofeng Gu

ORCID: 0000-0002-5560-6419
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About
Contact & Profiles
Research Areas
  • Particle Accelerators and Free-Electron Lasers
  • Particle accelerators and beam dynamics
  • Superconducting Materials and Applications
  • Particle Detector Development and Performance
  • Geological and Geochemical Analysis
  • earthquake and tectonic studies
  • Electron and X-Ray Spectroscopy Techniques
  • High-pressure geophysics and materials
  • Magnetic confinement fusion research
  • Particle physics theoretical and experimental studies
  • High-Energy Particle Collisions Research
  • Advancements in Photolithography Techniques
  • Photocathodes and Microchannel Plates
  • 2D Materials and Applications
  • X-ray Spectroscopy and Fluorescence Analysis
  • Advanced ceramic materials synthesis
  • Aluminum Alloys Composites Properties
  • Perovskite Materials and Applications
  • MXene and MAX Phase Materials
  • X-ray Diffraction in Crystallography
  • Crystallization and Solubility Studies
  • Advanced Battery Materials and Technologies
  • Advancements in Battery Materials
  • Electrochemical Analysis and Applications
  • Geology and Paleoclimatology Research

Jiangnan University
2014-2025

Ningxia University
2022-2024

Brookhaven National Laboratory
2013-2024

University of Science and Technology of China
2012-2024

Xinjiang Normal University
2016-2023

Brookhaven College
2014-2023

Suzhou Traditional Chinese Medicine Hospital
2022

Suzhou Research Institute
2019-2020

CSIRO Health and Biosecurity
2019

University of Electronic Science and Technology of China
2008

In this review, we summarized the application methods of SECM in electrochemical reactions and also discussed challenges prospects characterizing activity electrocatalysts.

10.1039/d4ta01292e article EN Journal of Materials Chemistry A 2024-01-01

Abstract Compared to traditional pn junctions, photodetectors based on 2D materials with a p‐i‐n structure offer enhanced photoresponsivity by broadening the depletion region and improving response speed reducing junction capacitance. However, due lack of mature, controllable doping process, heterostructure are rarely reported. A WSe 2 /MoS vertical heterojunction photodetector created through plasma selective is presented. This device not only retains wide heterojunction, but in...

10.1002/adom.202402378 article EN Advanced Optical Materials 2025-01-16

Elemental alloying in monolayer, two-dimensional (2D) transition metal dichalcogenides (TMDs) promises unprecedented ability to modulate their electronic structure leading unique optoelectronic properties. MoS2 monolayer based photodetectors typically exhibit a high photoresponsivity but suffer from low response time. Here we develop new approach for Sn monolayers on the synergy of customized chemical vapor deposition (CVD) and effects common salt (NaCl) produce high-quality large-size...

10.1021/acsami.9b13645 article EN ACS Applied Materials & Interfaces 2019-10-01

Cooling of beams gold ions using electron bunches accelerated with radio-frequency systems was recently experimentally demonstrated in the Relativistic Heavy Ion Collider at Brookhaven National Laboratory. Such an approach is new and opens possibility this technique higher energies than possible electrostatic acceleration beams. The challenges include generation suitable for cooling, delivery required quality to cooling sections without degradation beam angular divergence energy spread,...

10.1103/physrevlett.124.084801 article EN Physical Review Letters 2020-02-24

Abstract Practical application of two‐dimensional transition metal dichalcogenides (2D TMDCs) involves creating a p‐n diode and Schottky diode. Unlike diodes, the research 2D material‐based diodes especially in field photodetectors is lacking. Here, fabricated by depositing Pt Ni on MoS 2 to form ohmic contacts, respectively. The exhibits rectification ratio 2.36 × 10 3 an ideality factor 1.12. electrical characteristics Ni‐MoS ‐Ni Pt‐MoS ‐Pt effect transistors are systematically compared....

10.1002/adom.202301900 article EN Advanced Optical Materials 2023-11-10

We report zircon U-Pb geochronology, geochemistry and Sr-Nd-Pb isotope data from mafic granulites garnet amphibolites of the Wuhe Complex in southeastern margin North China Craton (NCC). In combination with previous data, our results demonstrate that these rocks represent fragments ancient lower crust, have features similar to those granulite basement northern NCC. A detailed evaluation Pb shows isotopes cannot effectively distinguish role Yangtze NCC regard source generation magmas, at...

10.1016/j.gsf.2012.05.001 article EN cc-by-nc-nd Geoscience Frontiers 2012-05-17

Head-on beam-beam compensation has been implemented in the Relativistic Heavy Ion Collider order to increase luminosity delivered experiments. We discuss principle of combining a lattice for resonance driving term and an electron lens tune spread compensation. describe technology its operational use. To date, scheme approximately doubled peak average luminosities.

10.1103/physrevlett.115.264801 article EN publisher-specific-oa Physical Review Letters 2015-12-23

To compensate the beam-beam tune spread and resonance driving terms in polarized proton operation Relativistic Heavy Ion Collider (RHIC), we will introduce a low energy DC electron beam into each ring to collide head-on with opposing beam. The device provide is called an lens. In this article, using 6D weak-strong interaction simulation model, investigate effects of compensation lenses on dynamics for RHIC 250 GeV operation. Frequency maps, dynamic apertures, loss rates are calculated study....

10.1103/physrevstab.15.051004 article EN cc-by Physical Review Special Topics - Accelerators and Beams 2012-05-18

Cobalt-nitride-carbide (Co-N-C) catalysts are promising cost-efficient transition metal for electrocatalytic hydrogen evolution, but few works investigate the metal–support interaction (MSI) effect on evolution reaction (HER) performance. Herein, efficient Co-N-C X with controllable MSI between encapsulated Co nanoparticles and nitrogen-doped graphitic carbon nanosheets were synthesized via a facile organic–inorganic hybridization method. Results demonstrate that 0.025M catalyst coexistence...

10.3389/fchem.2021.828964 article EN cc-by Frontiers in Chemistry 2022-02-01

Ultrahigh-pressure (UHP) metamorphic rocks are distinctive products of crustal deep subduction, and mainly exposed in continental subduction-collision terranes. UHP slices crust usually involved multistage exhumation partial melting, which has obvious influence on the rheological features rocks, thus significantly affect dynamic behavior subducted slices. Moreover, melting have significant element mobility related isotope within subduction zones, is turn crucial to chemical differentiation...

10.1016/j.gsf.2017.08.002 article EN cc-by-nc-nd Geoscience Frontiers 2017-08-24

A hollow electron beam has been proposed as an active control tool to remove the halo from high-energy, high-current hadron or ion machines (such High-Luminosity Large Hadron Collider). To study removal rate and assess effect on core, one of two lenses in Relativistic Heavy Ion Collider was changed a Gaussian profile profile. We describe design verification parameters well methods minimize distortions, which can result emittance increase. The alignment with by using backscattered detector...

10.1103/physrevaccelbeams.23.031001 article EN cc-by Physical Review Accelerators and Beams 2020-03-09
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