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4,665 results on '"Xie, T."'

210. Observation of soft Leggett mode in superconducting CaKFe4As4

Author

Zhao, S. Z., primary, Song, Hai-Ying, additional, Hu, L. L., additional, Xie, T., additional, Liu, C., additional, Luo, H. Q., additional, Jiang, Cong-Ying, additional, Zhang, Xiu, additional, Nie, X. C., additional, Meng, Jian-Qiao, additional, Duan, Yu-Xia, additional, Liu, Shi-Bing, additional, Xie, Hong-Yi, additional, and Liu, H. Y., additional

Published
2020
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218. A gigantic nothosaur (Reptilia: Sauropterygia) from the Middle Triassic of SW China and its implication for the Triassic biotic recovery [X26432] Morphological matrix from Liu et al. 2014 (prepared by MorphoBank curators from original submission)

Author

Liu, J, primary, Hu, S, additional, Rieppel, O, additional, Jiang, D, additional, Benton, M, additional, Kelley, N, additional, Aitchison, J, additional, Zhou, C, additional, Wen, W, additional, Huang, J, additional, Xie, T, additional, and Lv, T, additional

Published
2020
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224. Mesenchymal Growth Hormone Receptor Deficiency Leads to Failure of Alveolar Progenitor Cell Function and Severe Pulmonary Fibrosis

Author

Xie, T., primary, Kulur, V., additional, Liu, N., additional, Deng, N., additional, Wang, Y., additional, Yao, C., additional, Huang, G., additional, Liu, X., additional, Rowan, S., additional, Taghavifar, F., additional, Liang, J., additional, Chen, P., additional, Hogaboam, C.M., additional, Stripp, B.R., additional, Jiang, D., additional, and Noble, P.W., additional

Published
2020
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245. Vortex dynamics and second magnetization peak in the iron-pnictide superconductor Ca0.82La0.18Fe0.96Ni0.04As2.

Author

Llovo, I F, Sóñora, D, Mosqueira, J, Salem-Sugui Jr, S, Sundar, Shyam, Alvarenga, A D, Xie, T, Liu, C, Li, S-L, and Luo, H-Q

Subjects
SUPERCONDUCTORS, MAGNETIZATION, MAGNETIC relaxation, SURFACE defects, MAGNETIC fields
Abstract

We report the studies of detailed magnetic relaxation and isothermal magnetization measurements in the vortex state of the 112-type iron-pnictide Ca0.82La0.18Fe0.96Ni0.04As2 superconductor with T c ∼ 22 K. In the isothermal M (H), a well defined second magnetization peak (SMP) feature is observed in the entire temperature range below T c for measurements with H ∥ c -axis. However, for H ∥ a b -planes, the SMP feature is suppressed at low temperatures, which might be due to 2D Josephson vortices forming at low temperatures and high magnetic fields in such an anisotropic system. A rigorous analysis considering the magnetic relaxation data for H ∥ c -axis suggests an elastic to plastic pinning crossover across H p , which also seems accompanied with a possible phase transition in vortex lattice near H p . Moreover, point disorder and surface defects are likely to be the dominant sources of pinning, which contribute to the δ l -type of pinning in the sample. A high J c , in access of 105 A cmâˆ'2 observed could potentially make this material technologically important. [ABSTRACT FROM AUTHOR]

Published
2021
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247. Unconventional Antiferromagnetic Quantum Critical Point in Ba(Fe0.97Cr0.03)2(As1−xPx)2

Author

Zhang, W., Wei, Y., Xie, T., Liu, Z., Gong, D., Ma, X., Hu, D., Čermák, P., Schneidewind, A., Tucker, G., Meng, S., Huesges, Z., Lu, Z., Song, J., Luo, W., Xu, L., Zhu, Z., Yin, X., Li, H.-F., Yang, Y.-F., Luo, H., and Li, S.

Abstract

We have systematically studied physical properties of Ba(Fe_{0.97}Cr_{0.03})_{2}(As_{1-x}P_{x})_{2}, where superconductivity in BaFe_{2}(As_{1-x}P_{x})_{2} is fully suppressed by just 3% of Cr substitution of Fe. A quantum critical point is revealed at x∼0.42, where non-Fermi-liquid behaviors similar to those in BaFe_{2}(As_{1-x}P_{x})_{2} are observed. Neutron diffraction and inelastic neutron scattering measurements suggest that the quantum critical point is associated with the antiferromagnetic order, which is not of conventional spin-density-wave type as evidenced by the ω/T scaling of spin excitations. On the other hand, no divergence of low-temperature nematic susceptibility is observed when x is decreased to 0.42 from higher doping level, demonstrating that there are no nematic quantum critical fluctuations. Our results suggest that non-Fermi-liquid behaviors in iron-based superconductors can be solely resulted from the antiferromagnetic quantum critical fluctuations, which cast doubts on the role of nematic fluctuations played in the normal-state properties in iron-based superconductors.

Published
2019

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