High Pressure Synthesis & Superconductivity of Ytterbium Polyhydrides
-
Zhiwen Li,
-
Xin He,
-
Changling Zhang,
-
Ke Lu,
-
Jun Zhang,
-
Sijia Zhang,
-
Jianfa Zhao,
-
Luchuan Shi,
-
Yi Peng,
-
Shaomin Feng,
-
Zheng Deng,
-
Qingqing Liu,
-
Xiancheng Wang,
-
Luhong Wang,
-
Vitali Prakapenka,
-
Stella Chariton,
-
Haozhe Liu,
-
Changqing Jin
-
Abstract
Abstract Ytterbium polyhydrides were synthesized through in-situ high pressure laser heating techniques utilizing a diamond anvil cell. The temperature dependence of resistance measurement at high pressure demonstrates that the sample undergoes a superconducting transition at 11.5 K at 180 GPa. The investigation of SC under magnetic field indicates that the upper critical field at zero temperature μ0Hc2(0) is ∼ 5 Tesla. From the analysis of the in-situ high pressure X-ray diffraction experiments, the observed superconductivity is proposed to arise from the Yb4H23 phase. It is speculated that the low superconducting transition temperature Tc in Yb4H23 might be associated with the unusual local magnetic moment in Yb at pressure.
Article Text
-
-
-
About This Article
Cite this article:
Zhiwen Li, Xin He, Changling Zhang, Ke Lu, Jun Zhang, Sijia Zhang, Jianfa Zhao, Luchuan Shi, Yi Peng, Shaomin Feng, Zheng Deng, Qingqing Liu, Xiancheng Wang, Luhong Wang, Vitali Prakapenka, Stella Chariton, Haozhe Liu, Changqing Jin. High Pressure Synthesis & Superconductivity of Ytterbium Polyhydrides[J].
Chin. Phys. Lett., 2025, 42(4): 047401.
DOI: 10.1088/0256-307X/42/4/047401
Zhiwen Li, Xin He, Changling Zhang, Ke Lu, Jun Zhang, Sijia Zhang, Jianfa Zhao, Luchuan Shi, Yi Peng, Shaomin Feng, Zheng Deng, Qingqing Liu, Xiancheng Wang, Luhong Wang, Vitali Prakapenka, Stella Chariton, Haozhe Liu, Changqing Jin. High Pressure Synthesis & Superconductivity of Ytterbium Polyhydrides[J]. Chin. Phys. Lett., 2025, 42(4): 047401. DOI: 10.1088/0256-307X/42/4/047401
|
Zhiwen Li, Xin He, Changling Zhang, Ke Lu, Jun Zhang, Sijia Zhang, Jianfa Zhao, Luchuan Shi, Yi Peng, Shaomin Feng, Zheng Deng, Qingqing Liu, Xiancheng Wang, Luhong Wang, Vitali Prakapenka, Stella Chariton, Haozhe Liu, Changqing Jin. High Pressure Synthesis & Superconductivity of Ytterbium Polyhydrides[J]. Chin. Phys. Lett., 2025, 42(4): 047401. DOI: 10.1088/0256-307X/42/4/047401
Zhiwen Li, Xin He, Changling Zhang, Ke Lu, Jun Zhang, Sijia Zhang, Jianfa Zhao, Luchuan Shi, Yi Peng, Shaomin Feng, Zheng Deng, Qingqing Liu, Xiancheng Wang, Luhong Wang, Vitali Prakapenka, Stella Chariton, Haozhe Liu, Changqing Jin. High Pressure Synthesis & Superconductivity of Ytterbium Polyhydrides[J]. Chin. Phys. Lett., 2025, 42(4): 047401. DOI: 10.1088/0256-307X/42/4/047401
|