Bin Qian

Changshu Institute of Technology

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Shi Tao

University of Science and Technology of China

Yifeng Zheng

Nanjing Tech University

Fanjun Kong

Changshu Institute of Technology

Xuefan Jiang

Jilin University

Shun Wang

Henan Agricultural University

Zhida Han

Changshu Institute of Technology

Lin Ge

Hunan University

Han Chen

Changji University

Jiyun Chen

Jinling Institute of Technology

Jian Chen

Southeast University

Cooperative Institutions

Changshu Institute of Technology

Chinese Academy of Sciences

Nanjing Tech University

Nanjing University

Southeast University

University of Science and Technology of China

Collaborative Innovation Center of Advanced Microstructures

Central South University

Wuhan University

University of Chinese Academy of Sciences

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Intermartensitic Transformation and Enhanced Exchange Bias in Pd (Pt) -doped Ni-Mn-Sn alloys

Scientific Reports (2016)

Shiyuan Dong J. Y. Chen Zhida Han Y. Fang L. Zhang

In this work, we studied the phase transitions and exchange bias of Ni50-xMn36Sn14Tx (T = Pd, Pt; x = 0, 1, 2, 3) alloys. An intermartensitic transition (IMT), not observed in Ni50Mn36Sn14 alloy, was induced by the proper application of negative chemical pressure by Pd(Pt) doping in Ni50-xMn36Sn14Tx (T = Pd, Pt) alloys. IMT weakened and was suppressed with the increase of applied field; it also disappeared with further increase of Pd(Pt) content (x = 3 for Pd and x = 2 for Pt). Another striking result is that exchange bias effect, ascribed to the percolating ferromagnetic domains coexisting with spin glass phase, is notably enhanced by nonmagnetic Pd(Pt) addition. The increase of unidirectional anisotropy by the addition of Pd(Pt) impurities with strong spin-orbit coupling was explained by Dzyaloshinsky-Moriya interactions in spin glass phase.

Exchange bias

10.1038/srep25911

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Citations (17)

Insight into the cation migration and surface structural evolution of spinel LiNi0.5Mn1.5O4 cathode material for lithium-ion batteries

Chemical Engineering Journal (2022)

Fanjun Kong Guikai Zhang Dajun Wu Fei Sun Shi Tao

10.1016/j.cej.2022.138708

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Citations (22)

Computational modeling of oxy-coal combustion with intrinsic heterogeneous char reaction models

Fuel Processing Technology (2017)

Zhijun Zhou Liping Chen Longzhen Guo Bin Qian Zhihua Wang

Reaction rate

Particle (ecology)

10.1016/j.fuproc.2017.03.009

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Citations (20)

Evaluation of Fe-doped Pr1.8Ba0.2NiO4 as a high-performance air electrode for reversible solid oxide cell

Separation and Purification Technology (2022)

Zhenfei Li Yang Biao Bin Qian Shun Wang Yifeng Zheng

Clark electrode

10.1016/j.seppur.2022.123002

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Citations (17)

Hierarchical Ni(HCO₃)₂ Nanosheets Anchored on Carbon Nanofibers as Binder‐Free Anodes for Lithium‐Ion Batteries

Energy Technology (2019)

Fanjun Kong Xiaolei He Jiyun Chen Shi Tao Bin Qian

Transition metal carbonates are promising anodes for energy storage and conversion due to their advantages of facile synthesis, large theoretical capacities, and high electrochemical activities. However, the poor electronic conductivity, slow ion transport, and high volume expansion lead to the capacity loss of transition metal carbonates. Herein, hierarchical Ni(HCO 3 ) 2 nanosheets are directly grown on carbon nanofibers (CNFs) via electrospinning and hydrothermal methods. The 3D CNFs can not only improve the electronic conductivity and shorten diffusion length but also fasten electron/ionic transport and release the volume change. Ni(HCO 3 ) 2 nanosheets anchored on CNFs exhibit excellent lithium storage performance with a high cycling stability and good rate capability. It delivers an initial discharge capacity of 3807.6 mAh g −1 and a reversible capacity of 1261.1 mAh g −1 after 100 cycles at 200 mA g −1 . This work may shed light on the preparation of other binder‐free transition metal carbonates and make them as high‐performance electrodes in flexible electronic devices.

Electrospinning

Carbon fibers

10.1002/ente.201900094

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Citations (12)

In-situ synthesis of Fe3O4@Fe3C nanoparticles with heterostructures embedded in the N-doped porous carbon for high-performance lithium ion batteries

Journal of Energy Storage (2024)

Suyin Li Hong Liu Fanjun Kong Chen Lu Jiyun Chen

Carbon fibers

10.1016/j.est.2024.112967

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Citations (2)

Evidence of s-wave superconductivity in the noncentrosymmetric La7Ir3

Scientific Reports (2018)

Bin Li Chunqiang Xu Wei Zhou Wen‐He Jiao Raman Sankar

Superconductivity in noncentrosymmetric compounds has attracted sustained interest in the last decades. Here we present a detailed study on the transport, thermodynamic properties and the band structure of the noncentrosymmetric superconductor La 7 Ir 3 (T c ~ 2.3 K) that was recently proposed to break the time-reversal symmetry. It is found that La7Ir3 displays a moderately large electronic heat capacity (Sommerfeld coefficient γ n ~ 53.1 mJ/mol K2) and a significantly enhanced Kadowaki-Woods ratio (KWR ~32 μΩ cm mol2 K2 J-2) that is greater than the typical value (~10 μΩ cm mol2 K2 J-2) for strongly correlated electron systems. The upper critical field Hc2 was seen to be nicely described by the single-band Werthamer-Helfand-Hohenberg model down to very low temperatures. The hydrostatic pressure effects on the superconductivity were also investigated. The heat capacity below T c reveals a dominant s-wave gap with the magnitude close to the BCS value. The first-principles calculations yield the electron-phonon coupling constant λ = 0.81 and the logarithmically averaged frequency ω ln = 78.5 K, resulting in a theoretical T c = 2.5 K, close to the experimental value. Our calculations suggest that the enhanced electronic heat capacity is more likely due to electron-phonon coupling, rather than the electron-electron correlation effects. Collectively, these results place severe constraints on any theory of exotic superconductivity in this system.

Hydrostatic pressure

Critical field

Hydrostatic equilibrium

Coupling constant

Electronic correlation

BCS theory

10.1038/s41598-017-19042-x

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Citations (20)

Y and Fe co-doped LaNiO3 perovskite as a novel bifunctional electrocatalyst for rechargeable zinc-air batteries

International Journal of Hydrogen Energy (2022)

Zeming Lu Hang Zhou Bin Qian Shun Wang Yifeng Zheng