Search

Your search keyword '"Shen, Hongxian"' showing total 292 results
Start Over Author "Shen, Hongxian"
292 results on '"Shen, Hongxian"'

69. Significant Structure Modulation in Polar Antiferromagnet FeCoMo3O8.

Author

Zhang, Chenjia, Zhao, Yu, Nie, Hao, Zheng, Can, Li, Fei, Zhou, Dingran, Gao, Ruishuai, Shen, Hongxian, Jiang, Sida, Zhang, Lunyong, and Sun, Jianfei

Subjects
MAGNETOELECTRIC effect, LATTICE constants, UNIT cell, CELL size, ELECTRONIC structure
Abstract

The discovery of giant magnetoelectric effect in Fe2Mo3O8 has sparked considerable interest in investigating the novel effects of M2Mo3O8 (M = Zn, Mn, Fe, Co, Ni) family, in particular the emergent physics driven by the M‐site ions. Herein, the structural evolution due to M‐site mixing is studied in the compound FeCoMo3O8 whose unit cell volume and lattice constant are slightly tuned compared with those of Fe2Mo3O8 and Co2Mo3O8. However, significant structure distortion occurs on the octahedron and tetrahedron as a result of the relaxation of the unbalanced force, caused by the distinction of the M ion radius in the mixing case. The octahedron and tetrahedron are shifted toward each other along the c‐axis which increases the coplanarity of the Fe and Co ions. The octahedron is compressed along the D3d‐symmetry axis and its bonds are elongated significantly. A complex tension‐like distortion is induced for the tetrahedron. Its bond along the C3v‐symmetry axis is elongated and other three bonds are shortened. The study demonstrates that ions mixing at the M sites would introduce intrigue structure modulation in the M2Mo3O8 family, which would tune the electronic orbit structure. This may shed new light on understanding the emergent behaviors of the material family. [ABSTRACT FROM AUTHOR]

Published
2023
Full Text
View/download PDF

70. Correlates of Aggression in Men With Methamphetamine Use Disorder: Childhood Trauma and Methamphetamine-Use Characteristics

Author

Liu, Mengqi, primary, Pu, Liujin, additional, Liu, Tieqiao, additional, Zhang, Xiaojie, additional, Shen, Hongxian, additional, Deng, Qijian, additional, Wang, Yingying, additional, Li, Wen, additional, Fu, Xiaoya, additional, Yang, Cheng, additional, Fang, Ting, additional, Potenza, Marc N., additional, and Hao, Wei, additional

Published
2022
Full Text
View/download PDF

72. Enhanced magnetocaloric properties of annealed melt-extracted Mn1.3Fe0.6P0.5Si0.5 microwires

Author

Luo, Lin, Law, Jia Yan, Shen, Hongxian, Moreno Ramírez, Luis Miguel, Franco García, Victorino, Guo, Shu, Phan, Manh-Huong, Universidad de Sevilla. Departamento de Física de la Materia Condensada, National Natural Science Foundation of China (NSFC), Ministerio de Ciencia e Innovación (MICIN). España, Agencia Estatal de Investigación. España, Junta de Andalucía, and China Scholarship Council (CSC)

Subjects
magnetocaloric effect, melt-extraction technique, (Mn,Fe)2 (P,Si) microwires, microstructure
Abstract

The highly regarded Fe2P-based magnetocaloric materials are usually fabricated by ball milling, and require an additional extended annealing treatment at high temperatures (at temperatures up to 1423 K for several hours to days). In this work, we show that fabricating Mn1.3Fe0.6P0.5Si0.5 into the form of microwires attained 82.1 wt.% of the desired Fe2P phase in the as-cast state. The microwires show a variable solidification structure along the radial direction; close to the copper wheel contact, Fe2P phase is in fine grains, followed by dendritic Fe2P grains and finally secondary (Mn,Fe)5Si3 phase in addition to the dendritic Fe2P grains. The as-cast microwires undergo a ferroto para-magnetic transition with a Curie temperature of 138 K, showing a maximum isothermal magnetic entropy change of 4.6 J kg−1 K −1 for a magnetic field change of 5 T. With further annealing, a two-fold increase in the maximum isothermal magnetic entropy change is found in the annealed microwires, which reveal 88.1 wt.% of Fe2P phase. National Natural Science Foundation de China - NSFC 51871124 Ministerio de Ciencia e Innovación y Agencia Estatal de Investigación, de España MCIN/AEI - PID2019-105720RB-I00 Consejería de Economía, Conocimiento, Empresas y Universidad de la Junta de Andalucía - P18-RT-746 China Scholarship Council - CSC 202006120203

Published
2022

76. Hot Deformation Behavior of a Co-Spray-Formed Al-Si/7075 Bimetallic Gradient Alloy

Author

Xu Gu, Song Heqian, Lei Yu, Fuyang Cao, Jianfei Sun, Sida Jiang, Shen Hongxian, and Lunyong Zhang

Subjects
Materials science, Mining engineering. Metallurgy, Silicon, Alloy, Metals and Alloys, TN1-997, chemistry.chemical_element, Activation energy, Strain rate, engineering.material, Flow stress, Arrhenius plot, hot deformation behavior, chemistry, engineering, General Materials Science, Compression (geology), Deformation (engineering), Composite material, spray-deposited, functionally graded materials, constitutive equation
Abstract

In this paper, we report the results obtained from the hot compression behaviour of co-spray-formed Al-Si/7075 bimetallic gradient alloys by investigating the five selected layers divided evenly from top to bottom. It was found that with a decrease in the strain rate and an increase in temperature, the hot compression flow stress of deposited alloys decreases gradually, as expected. The relationship between flow stress, temperature and strain rate follows the Arrhenius relationship. The deformation activation energy of the co-spray formed gradient alloy gradually increases from bottom to top in the height direction, which are 100.15, 167.35, 185.54, 208.78 and 220.83 KJ/mol, indicating that the degree of difficulty in the deformation of the alloy is affected by changes in the silicon content of the alloy. Finally, the flow stress constitutive equation is calculated for each layer of alloy material, which is instructive for the subsequent study of the densification process of co-spray-formed gradient alloys.

Published
2021

77. Enhanced Magnetocaloric Properties of Annealed Melt-Extracted Mn 1.3 Fe 0.6 P 0.5 Si 0.5 Microwires.

Author

Luo, Lin, Law, Jia Yan, Shen, Hongxian, Moreno-Ramírez, Luis M., Franco, Victorino, Guo, Shu, Duc, Nguyen Thi My, Sun, Jianfei, and Phan, Manh-Huong

Subjects
MAGNETOCALORIC effects, MAGNETIC entropy, TRANSITION temperature, CURIE temperature, IRON-manganese alloys, HIGH temperatures, MAGNETIC fields
Abstract

The highly regarded Fe2P-based magnetocaloric materials are usually fabricated by ball milling, and require an additional extended annealing treatment at high temperatures (at temperatures up to 1423 K for several hours to days). In this work, we show that fabricating Mn1.3Fe0.6P0.5Si0.5 into the form of microwires attained 82.1 wt.% of the desired Fe2P phase in the as-cast state. The microwires show a variable solidification structure along the radial direction; close to the copper wheel contact, Fe2P phase is in fine grains, followed by dendritic Fe2P grains and finally secondary (Mn,Fe)5Si3 phase in addition to the dendritic Fe2P grains. The as-cast microwires undergo a ferro- to para-magnetic transition with a Curie temperature of 138 K, showing a maximum isothermal magnetic entropy change of 4.6 J kg−1 K−1 for a magnetic field change of 5 T. With further annealing, a two-fold increase in the maximum isothermal magnetic entropy change is found in the annealed microwires, which reveal 88.1 wt.% of Fe2P phase. [ABSTRACT FROM AUTHOR]

Published
2022
Full Text
View/download PDF

84. Dislocation Etching Morphology on the A Plane of Sapphire Crystal

Author

Cao, Fuyang, primary, Li, Fei, additional, Yuan, Zhiyong, additional, Zhang, Lunyong, additional, Jiang, Sida, additional, Shen, Hongxian, additional, Ning, Zhiliang, additional, Huang, Yongjiang, additional, Xing, Dawei, additional, Zuo, Hongbo, additional, Han, Jiecai, additional, and Sun, Jianfei, additional

Published
2021
Full Text
View/download PDF

85. Etching Behaviors of Sapphire's C- Plane Cavity

Author

Zhang, Lunyong, primary, Yuan, Zhiyong, additional, Shen, Hongxian, additional, Jiang, Sida, additional, Cao, Fuyang, additional, Ning, Zhiliang, additional, Xing, Dawei, additional, Zuo, Hongbo, additional, Huang, Yongjiang, additional, Han, Jiecai, additional, and Sun, Jianfei, additional

Published
2021
Full Text
View/download PDF

87. Quality of Life and Its Correlates in Alcohol Use Disorder Patients With and Without Depression in China

Author

Huang, Hui, primary, Shen, Hongxian, additional, Ning, Kui, additional, Zhang, Ruiling, additional, Sun, Wei, additional, Li, Bing, additional, Jiang, Haifeng, additional, Wang, Wenzheng, additional, Du, Jiang, additional, Zhao, Min, additional, Yi, Zhihua, additional, Li, Jing, additional, Zhu, Rongxin, additional, Lu, Shuiping, additional, Xie, Shiping, additional, Wang, Xiaoping, additional, Fu, Wei, additional, Gao, Chengge, additional, and Hao, Wei, additional

Published
2021
Full Text
View/download PDF

92. New DyHoCo medium entropy amorphous microwires of large magnetic entropy change

Author

Shen, Hongxian, primary, Luo, Lin, additional, Bao, Ying, additional, Yin, Hangboce, additional, Jiang, Sida, additional, Zhang, Lunyong, additional, Huang, Yongjiang, additional, Feng, Shujuan, additional, Xing, Dawei, additional, Liu, Jingshun, additional, Li, Ze, additional, Liu, Yanfen, additional, Sun, Jianfei, additional, and Phan, Manh-Huong, additional

Published
2020
Full Text
View/download PDF

93. Quality of Life in Patients With Methamphetamine Use Disorder: Relationship to Impulsivity and Drug Use Characteristics

Author

Wang, Yingying, primary, Zuo, Jinsong, additional, Hao, Wei, additional, Shen, Hongxian, additional, Zhang, Xiaojie, additional, Deng, Qijian, additional, Liu, Mengqi, additional, Zhao, Zhiqiang, additional, Zhang, Lina, additional, Zhou, Yanan, additional, Li, Manyun, additional, Liu, Tieqiao, additional, and Zhang, Xiangyang, additional

Published
2020
Full Text
View/download PDF

94. Ketamine Administration Leads to Learning-Memory Dysfunction and Decreases Serum Brain-Derived Neurotrophic Factor in Rats

Author

Li, Miao, primary, Xie, Aiming, additional, Liu, Ya, additional, Zeng, Qian, additional, Huang, Shucai, additional, Huang, Qiuping, additional, Shao, Tianli, additional, Chen, Xinxin, additional, Liao, Zhenjiang, additional, Cai, Yi, additional, Xiao, Zhijie, additional, Zhang, Xiaojie, additional, and Shen, Hongxian, additional

Published
2020
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results