Yuanxun Li
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View article: Ab Initio Study of Ti Segregation on the Pd–Ti Alloy Surface in the Presence of Adsorbed Atomic Oxygen
Ab Initio Study of Ti Segregation on the Pd–Ti Alloy Surface in the Presence of Adsorbed Atomic Oxygen Open
Surface segregation in bimetallic systems plays a critical role in material functionality, as electrochemical activity and catalytic performance are governed by the surface composition. To explore the influence of atomic oxygen on the surf…
View article: Research on the Assessment of Greenwashing in Corporate Environmental Information Disclosure Based on Large Language Models and the Dynamic Mechanism of Green Financing
Research on the Assessment of Greenwashing in Corporate Environmental Information Disclosure Based on Large Language Models and the Dynamic Mechanism of Green Financing Open
This study is situated against the backdrop of global green economic transformation and examines the dynamic internal mechanisms linking greenwashing behavior in corporate environmental information disclosure with green financing policies.…
View article: First-Principles Study of Rh Segregation in the Au–Rh(111) Alloy with Adsorbed NO, CO, or O2
First-Principles Study of Rh Segregation in the Au–Rh(111) Alloy with Adsorbed NO, CO, or O2 Open
Adsorbate-induced surface segregation significantly influences the catalytic and electrochemical performance of bimetallic alloys. Using density functional theory (DFT), we investigated Rh segregation in Au–Rh(111) alloys under the influen…
View article: Co2+-enhanced zinc aluminate microwave dielectric ceramics for electronic packaging to thermally match printed circuit boards
Co2+-enhanced zinc aluminate microwave dielectric ceramics for electronic packaging to thermally match printed circuit boards Open
With the rapid development of electronic integration technology, highly integrated chips are in urgent need of packaging materials that are thermally matched to printed circuit boards. Here, [Formula: see text]Co x Al 2 O 4 (ZCAO, x= 0.00–…
View article: Tunable microware dielectric properties of high-entropy (Mg1/2Zn1/2)0.4+Li0.4(Co1/2Ni1/2)0.4-Al2O4 ceramics with low loss
Tunable microware dielectric properties of high-entropy (Mg1/2Zn1/2)0.4+Li0.4(Co1/2Ni1/2)0.4-Al2O4 ceramics with low loss Open
In present study, high-entropy (Mg1/2Zn1/2)0.4+xLi0.4(Co1/2Ni1/2)0.4–xAl2O4 (x = 0.00–0.40) ceramics were fabricated via the solid-state reaction approach. The high-entropy ceramics exhibited a spinel structure with short-range local disor…
View article: Optimization study on the configuration of electric hydrogen bidirectional coupling microgrid considering system flexibility margin
Optimization study on the configuration of electric hydrogen bidirectional coupling microgrid considering system flexibility margin Open
The solution to the global environmental concerns lies in the clean transformation of the energy system. However, the rapid expansion of renewable energy has increased the dangers of the power grid’s reliable functioning. It is vital to lo…
View article: The Combined Effect of Spin-Transfer Torque and Voltage-Controlled Strain Gradient on Magnetic Domain-Wall Dynamics: Toward Tunable Spintronic Neuron
The Combined Effect of Spin-Transfer Torque and Voltage-Controlled Strain Gradient on Magnetic Domain-Wall Dynamics: Toward Tunable Spintronic Neuron Open
Magnetic domain wall (DW), as one of the promising information carriers in spintronic devices, have been widely investigated owing to its nonlinear dynamics and tunable properties. Here, we theoretically and numerically demonstrate the DW …
View article: Influence of Grid Aperture Ratio on Electron Transmittance and Electron Beam Spot Size in Field Emission Processes of Carbon Nanotubes
Influence of Grid Aperture Ratio on Electron Transmittance and Electron Beam Spot Size in Field Emission Processes of Carbon Nanotubes Open
Field emission is an important work mode for electron sources, and carbon nanotubes (CNTs) have been extensively studied for their good emission properties. It is well known that the parameters of the grid deeply influence the field emissi…
View article: Splitting phenomenon of ferromagnetic resonance spectra in NiFe films deposited on periodically rippled sapphire substrates
Splitting phenomenon of ferromagnetic resonance spectra in NiFe films deposited on periodically rippled sapphire substrates Open
The splitting phenomenon of ferromagnetic resonance (FMR) spectra of Ni 80 Fe 20 (NiFe) films deposited on periodically rippled sapphire substrates is studied experimentally with the help of micromagnetic simulation. The analyses show that…
View article: Enhancement of microwave dielectric behavior by substitution of W<sup>6+</sup> for Mo<sup>6+</sup> in Li<sub>2</sub>Mg<sub>1.91</sub>Na<sub>0.18</sub>M<sub>o3</sub>O<sub>12</sub> ceramics
Enhancement of microwave dielectric behavior by substitution of W<sup>6+</sup> for Mo<sup>6+</sup> in Li<sub>2</sub>Mg<sub>1.91</sub>Na<sub>0.18</sub>M<sub>o3</sub>O<sub>12</sub> ceramics Open
Microwave dielectric ceramics with low dielectric constants are widely used in the design and fabrication of microwave devices. Here, low-temperature sintered Li 2 Mg 1.91 Na 0.18 Mo 3- x W x O 12 (LMNMWO) ( x takes values from 0 to 0.15) …
View article: High entropy dielectrics
High entropy dielectrics Open
High entropy oxides (HEO) are single-phase solid solutions which are formed by the incorporation of five or more elements into a cationic sublattice in equal or near-equal atomic proportions. Its unique structural features and the possibil…
View article: Out-of-plane Ferromagnetic Resonance and Surface Spin Wave Modes in Ni<sub>80</sub>Fe<sub>20</sub> Film on Ripple-Patterned Sapphire Substrate
Out-of-plane Ferromagnetic Resonance and Surface Spin Wave Modes in Ni<sub>80</sub>Fe<sub>20</sub> Film on Ripple-Patterned Sapphire Substrate Open
The study of surface magnetic anisotropy of magnetic films is beneficial to understanding the behaviors of films at high frequencies and further promoting their high-frequency magnetic applications. We investigated the out-of-plane ferroma…
View article: Crystal structure and magneto‐dielectric properties of Co‐Zr co‐substituted Co <sub>2</sub> Z hexaferrites
Crystal structure and magneto‐dielectric properties of Co‐Zr co‐substituted Co <sub>2</sub> Z hexaferrites Open
A series of Ba 1.5 Sr 1.5 Co 2+ x Zr x Fe 24‐2 x O 41 hexaferrites ( x = 0.00, 0.01, 0.03, 0.05, 0.07, and 0.09) were successfully prepared by the conventional solid‐state reaction method. It was found that as the Co 2+ and Zr 4+ ions ente…
View article: Research on Optimization of Equipment Operation Scheme Based on AHP Fuzzy Comprehensive Evaluation Method
Research on Optimization of Equipment Operation Scheme Based on AHP Fuzzy Comprehensive Evaluation Method Open
With the increase of multi-purpose equipment, how to determine the equipment application scheme is an important problem. Aiming at the optimization of equipment application scheme, this paper adopts the scheme optimization method based on …
View article: Correction: Enhanced field emission stability of vertically aligned carbon nanotubes through anchoring for X-ray imaging applications
Correction: Enhanced field emission stability of vertically aligned carbon nanotubes through anchoring for X-ray imaging applications Open
Correction for ‘Enhanced field emission stability of vertically aligned carbon nanotubes through anchoring for X-ray imaging applications’ by Xinchuan Liu et al. , J. Mater. Chem. C , 2023, 11 , 2505–2513, https://doi.org/10.1039/d2tc04363…
View article: Simulation and Optimization of CNTs Cold Cathode Emission Grid Structure
Simulation and Optimization of CNTs Cold Cathode Emission Grid Structure Open
Carbon nanotubes (CNTs) show significant advantages in the development of cold cathode X-ray tubes due to their excellent field emission performance; however, there are still some problems, such as short lifetime and the low emission curre…
View article: Experimental and theoretical study on enhanced electrochemistry of aluminum substitution LLZO garnet solid electrolytes
Experimental and theoretical study on enhanced electrochemistry of aluminum substitution LLZO garnet solid electrolytes Open
Although the wider electrochemical window, higher temperature stability, and better battery safety of Li 7 La 3 Zr 2 O 12 (LLZO) electrolytes than organic liquid, organogels, and polyelectrolytes, the limited ionic conductivity still far a…
View article: Strain-driven magnetic domain wall dynamics controlled by voltage in multiferroic heterostructures
Strain-driven magnetic domain wall dynamics controlled by voltage in multiferroic heterostructures Open
Magnetic domain walls (DWs) have significants application potential as information carriers in the construction of novel high-density, high-speed spintronics devices. In this study, the fully coupled micro-magnetic-mechanical finite elemen…
View article: High sintering and dielectric performance: The improved (Mg, Zn)3B2O6 ceramics with the help of the DFT calculation
High sintering and dielectric performance: The improved (Mg, Zn)3B2O6 ceramics with the help of the DFT calculation Open
With the help of the first principle calculation, the solid-state reaction experiment was conducted to investigate the alteration in the sintering and the microwave dielectric properties of Mg3B2O6 ceramic with many Zn2+ substitutions. The…
View article: Amelioration of sintering and multi-frequency dielectric properties of Mg3B2O6: A mechanism study of nickel substitution using DFT calculation
Amelioration of sintering and multi-frequency dielectric properties of Mg3B2O6: A mechanism study of nickel substitution using DFT calculation Open
With the support of density functional theory (DFT) calculation, the amelioration of sintering and dielectric properties of the Mg 3 B 2 O 6 (MBO) ceramic was realized through the substitution of magnesium with nickel. The TE-mode cylindri…
View article: A detailed study of the substitution mechanism for improved zinc-borate: High-performance and its crystal structure variation
A detailed study of the substitution mechanism for improved zinc-borate: High-performance and its crystal structure variation Open
The substitution properties of Mn2+ to Zn2+ for Zn3B2O6 ceramic was probed at the atomic scale using the first principle calculation, involving the bond properties, electron density, and formation energy. All samples were synthesized throu…