Lina Chen

Tan Kah Kee Innovation Laboratory

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i-10 index

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Co-Authors

Ronghua Liu

Collaborative Innovation Center of Advanced Microstructures

Kaiyuan Zhou

Nanjing University

Jiandi Zhang

Louisiana State University

Youwei Du

Nanjing University of Information Science and Technology

Hangwen Guo

Nanjing University of Posts and Telecommunications

Mohammad Saghayezhian

Louisiana State University

Zhuo Chen

Northwestern Polytechnical University

Qingwei Fu

Fuzhou University

Zishuang Li

Collaborative Innovation Center of Advanced Microstructures

Haiping Xia

Southern University of Science and Technology

Cooperative Institutions

Chinese Academy of Sciences

108

Nanjing University

Collaborative Innovation Center of Advanced Microstructures

Collaborative Innovation Center of Chemistry for Energy Materials

Xiamen University

Shandong University

University of Chinese Academy of Sciences

Nanjing University of Posts and Telecommunications

University of Science and Technology of China

Tsinghua University

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Surface structural reconstruction of SrVO 3 thin films on SrTiO 3 (001)

APS (2016)

Gaomin Wang Mohammad Saghayezhian Lina Chen Hangwen Guo Jiandi Zhang

Surface reconstruction

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Gas-Electric Power Coupling Simulation Method for Integrated Energy System Based on Improved MCMC

2022 4th International Conference on Power and Energy Technology (ICPET) (2023)

Pei Sun Shouzun Wu Lina Chen Mingming Yao Shixing Zhang

The construction, operation and evaluation of an integrated energy system (IES) requires a large sample of data. However, the data generated by traditional Markov chain Monte Carlo (MCMC) simulation is random timing. Traditional MCMC simulation is difficult to ensure the coupling of gas and electric power data timing matching. A gas-electric IES power coupling simulation method based on improved MCMC is proposed in this paper. Firstly, the K-means method based on Dunn Validity Index is used to cluster the two-dimensional data of gas and electric energy. Secondly, two-dimensional state transfer matrix for various types of gas and electric energy is constructed, and the transfer matrix is coded in reduced dimensions. Then, Fitting the duration of the state matrix by inverse Gaussian distribution and a large amount of transition state is generated. By dimension-up coding and superimposing random fluctuation components, a large number of gas-electric power data with fluctuation characteristics of original data are generated. Finally, the coupled data simulation evaluation index is established, and a large number of actual data are used to evaluate the fitting data. The effectiveness of the algorithm is verified.

10.1109/icpet59380.2023.10367559

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A Seven-color Separation Method Based on Polynomial Regression Equation

Packaging Engineering (2013)

Lina Chen

Combining gray component replacement and mid-color setting,a new seven-color separation model based on polynomial regression equation was proposed.The final color separation results were evaluated from color separation error,color separation precision.The results showed that the color separation effect is good;the method can make color reproduction more accurate.

Separation (statistics)

Gray (unit)

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Dynamic Security Decision-making Process

Procedia Engineering (2012)

Shuangyue Liu Juan Wang Lina Chen Dan Wang Fei Jiang

This paper aims to propose particular technologies that will help implement all dynamic safety decisions. Prior decision ensures optimization and effectiveness of security measures and prevents accidents from happening; matter decision offers the emergency measures against accident spread and extension; post decision ascertains the causes, provides relevant countermeasures and identifies responsibilities, which can help avoid similar accidents from happening again.

Decision-making

Accident (philosophy)

Dynamic decision-making

10.1016/j.proeng.2012.08.045

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Influence of alkali deweighting on the property of Coolmax knitted fabric

Dyeing & Finishing (2007)

Lina Chen

The alkali deweighting treatments of double knitted fabric from Coolmax moisture management fiber under different concentration of alkali were carried out.The influences of concentration of caustic soda on deweighting rate,strength,dyeing behavior,wicking ability and softness of Coolmax fabric were discussed.Based on trials,it was showed that the specific surface area of Coolmax fiber was larger,so its deweighting rate was higher than that of common polyester fabric,and better wicking ability,softness and deepening effect were available,but when the deweighting rate was high,the abnormal degree of fiber cross-section was decreased and fiber was damaged.

Caustic (mathematics)

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Self-Oscillations in a Nanogap Spin Hall Nano-Oscillator with a Perpendicularly Magnetized External Film

Physical Review Applied (2023)

Lina Chen Kaiyuan Zhou Zui Tao Zhenyu Gao Like Liang

We study spin-current-induced magnetodynamics in a planar nanogap spin Hall nano-oscillator (SHNO) based on $\mathrm{Pt}/[\mathrm{Co}/\mathrm{Ni}{]}_{4}$ with a large perpendicular magnetic anisotropy (PMA) at in-plane field geometry. Two distinct dynamic modes are observed in the spin-torque ferromagnetic resonance (FMR) and the generated microwave spectra. The primary mode has a frequency above the FMR frequency and a significant blueshift of the frequency with the increasing current $I$, consistent with the propagating spin-wave mode. The secondary higher-frequency mode with a much weaker power intensity, discrete frequency jump, and a slight redshift of frequency is only observed at low fields below the saturation field of 2 kOe, suggesting that it is likely related to the emerged domain region with in-plane magnetization due to grain-boundary defects, which is further supported by the frequency enhancement with reducing temperature. The primary propagating mode decreases its frequency and broadens its minimum linewidth by reducing the temperature, indicating that the frequency-drift instability dominates its dynamical decoherence due to the boundary-pinning effect. Furthermore, the micromagnetic simulation reproduces the experimentally observed propagating spin-wave and in-plane domain modes, and provides their spatial characteristics. Our demonstrated propagating spin waves in a SHNO with an out-of-plane magnetization extended bilayer can facilitate long-distance mutual synchronization in the SHNO network arrays for enhancing coherence and power as spin-wave sources in magnon-based devices or spin-based neuromorphic computing.

Spin wave

Magnetization dynamics

10.1103/physrevapplied.19.054051

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Citations (4)

The Development and Application of Primary and Middle School Students' Sensation Seeking Scale

Xinli fazhan yu jiaoyu (2006)

Lina Chen

This paper first defined the construct of sensation seeking of primary and middle school students,based upon previous literature and experimental research work and constructed a preliminary questionnaire to measure primary school and middle school students' sensation seeking.After pilot testing and a series of revisions,a 30 item scale,named the Primary and Middle School Students Sensation Seeking Scale,was constructed.Exploratory and confirmatory factor analysis found that this scale had two dimensions,thrill and adventure seeking,and disinhibition.These empirical dimensions were theoretically interpretable,and the new Scale was tested to be reliable and valid enough to be applicable to measure sensation seeking of primary and middle school students.The characters of Chinese children and adolescents sensation seeking actually had the same tendency as those showed in other researches.The males' sensation seeking level was higher than that of the females.Children and adolescents' sensation seeking level developed with age.

Sensation Seeking

Disinhibition

Exploratory factor analysis

Sensation

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Citations (7)

Local Single Co Sites at the Second Shell of Fe‐N₄ Active Sites to Boost Oxygen Reduction Reaction

Advanced Functional Materials (2023)

Xiaoyu Yi Huijuan Yang Xiaoxuan Yang Xiaokang Li Yan Cheng

Abstract Fe single‐atom catalysts (SACs) are a promising catalyst for oxygen reduction reaction (ORR) in both Zn–air batteries (ZABs) but have a certain distance to compete with Pt‐based catalysts. Rational modulation of the coordination environment in the second coordination shell of SACs offers an opportunity to improve the intrinsic ORR activity, yet a challenge. Here, a novel strategy is reported to construct a dual‐metal catalyst by introducing a single Co atom in the second coordination shell of the Fe center. The dual‐metal N 3 ─Fe─N─Co site with a certain Fe─Co distance of 0.312 nm is constructed. It allows for manipulation of the positive shift of the Fe center charge state, driving the d ‐band center up‐shift by 0.63 eV, thereby offering the optimal adsorption of intermediates. Benefiting from this structure, the as‐prepared Fe(Co 2nd )‐NC enables an excellent ORR activity with a half‐wave potential of 0.948 V in 0.1 M KOH. As a cathode in ZABs, it delivered an outstanding peak power density of 218 mW cm −2 and a specific capacity of 915 mAh g Zn −1 at 5 mA cm −2 , respectively, with superior long‐term durability over 680 h. The second shell layer alignment regulation strategy shows great potential for energy storage applications.

Active center

10.1002/adfm.202309728

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Citations (30)

Thermal stability and performance of optimized ZrC_x diffusion barriers in ceramic coating systems for ATF applications

Journal of the American Ceramic Society (2021)

Lina Chen Yiming Lei Wenli Li Jie Zhang Jingyang Wang

Abstract Surface‐modified Zr alloy claddings with advanced ceramic coatings are promising materials for accident‐tolerant fuel (ATF) systems to meet stringent safety regulations concerning light water reactors. The applications of ceramic coatings are, however, limited as a result of inferior thermal stability when used in conjunction with Zircaloy‐4 (Zry‐4) substrates. Herein, the thermal stability of sub‐stoichiometric zirconium carbide barrier layers as a function of composition was studied. Integrated ceramic coatings comprising ZrC 0.55 diffusion barriers and a Cr 2 AlC top layer were synthesized via a magnetron sputtering method. After rapid thermal annealing, the ZrC 0.55 barrier layer having a thickness of 0.5 μm effectively prevented the inter‐diffusion between Cr 2 AlC and the Zry‐4 substrate, thereby ensuring retention of the structural integrity of the integrated ceramic coating system for ATF applications.

Thermal Stability

Diffusion barrier

10.1111/jace.17919

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Citations (8)

High-performance red phosphorus/carbon nanofibers/graphene free-standing paper anode for sodium ion batteries

Journal of Materials Chemistry A (2017)

Xiaoxin Ma Long Chen Xiaohua Ren Guangmei Hou Lina Chen

A novel flexible P/carbon nanofibers@graphene electrode, which exhibits an excellent electrochemical performance, is fabricated via a vapor-redistribution and electrospinning method.

Electrospinning

Redistribution

Carbon fibers

10.1039/c7ta07762a

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Citations (69)