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Your search keyword '"Chen, Xiao-Long"' showing total 14 results
Start Over Author "Chen, Xiao-Long" Publisher iop publishing
14 results on '"Chen, Xiao-Long"'

2. A New Superconductor Parent Compound NaMn6Bi5 with Quasi-One-Dimensional Structure and Lower Antiferromagnetic-Like Transition Temperatures.

Author

Zhou, Ying, Chen, Long, Wang, Gang, Wang, Yu-Xin, Wang, Zhi-Chuan, Chai, Cong-Cong, Guo, Zhong-Nan, Hu, Jiang-Ping, and Chen, Xiao-Long

Subjects
SUPERCONDUCTORS, SPECIFIC heat capacity, ELECTRICAL resistivity, CALORIMETRY, DENSITY of states, IRON-based superconductors, ANTIFERROMAGNETIC materials
Abstract

Mn-based superconductors are very rare and their superconductivity has only been reported in three-dimensional MnP and quasi-one-dimensional KMn6Bi5 and RbMn6Bi5 with [Mn6Bi5]âˆ' columns under high pressures. Here we report the synthesis, magnetism, electrical resistivity, and specific heat capacity of the newly discovered quasi-one-dimensional NaMn6Bi5. Compared with other A Mn6Bi5 (A = K, Rb, and Cs), NaMn6Bi5 has abnormal Bi-Bi bond lengths and two antiferromagnetic-like transitions at 47.3 K and 51.8 K. Anisotropic resistivity and low-temperature non-Fermi liquid behavior are observed. Heat capacity measurement reveals that the Sommerfeld coefficient for NaMn6Bi5 is unusually large. Using first-principles calculations, an unusual enhancement of density of states near the Fermi level is demonstrated for NaMn6Bi5. The features make NaMn6Bi5 a more suitable platform to explore the interplay of magnetism and superconductivity. [ABSTRACT FROM AUTHOR]

Published
2022
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10. Thermodynamic study on the Sm-Ba-Cu-O system

Author

Liang Jing-Kui, Wei Shoukun, Chen Xiao-long, Qiao Zhiyu, Rao Guang-Hui, and Xing Xianran

Subjects
Materials science, General Physics and Astronomy, Physical chemistry, Thermodynamics, Cubic zirconia, Solid state electrolyte, Standard enthalpy change of formation, EMF measurement, Decomposition, Single crystal
Abstract

The assembly for EMF measurement with CaF2 single crystal or MgO partially stabilized zirconia as solid state electrolyte has been constructed. From the EMF data, the standard Gibbs energies, standard enthalpies of formation and standard entropies of six complex oxides in the Sm-Ba-Cu-O system were calculated. The decomposition pressures of these complex oxides were derived.

Published
1996

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