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Pressure-Driven Quantum Criticality in Iron-Selenide Superconductors
Guo, J; Chen, XJ; Dai, JH; Zhang, C; Guo, JG; Chen, XL; Wu, Q; Gu, DC; Gao, PW; Yang, LH; Yang, K; Dai, X; Mao, HK; Sun, LL; Zhao, ZX
2012
Source PublicationPHYSICAL REVIEW LETTERS
ISSN0031-9007
Volume108Issue:19
AbstractWe report a finding of a pressure-induced quantum critical transition in K0.8FexSe2 (x = 1.7 and 1.78) superconductors through in situ high-pressure electrical transport and x-ray diffraction measurements in diamond anvil cells. Transitions from metallic Fermi liquid behavior to non-Fermi liquid behavior and from antiferromagnetism to paramagnetism are found in the pressure range of 9.2-10.3 GPa, in which superconductivity tends to disappear. The change around the quantum critical point from the coexisting antiferromagnetism state and the Fermi liquid behavior to the paramagnetism state and the non-Fermi liquid behavior in the iron-selenide superconductors demonstrates a unique mechanism for their quantum critical transition.
Language英语
Funding Project应物所项目组
WOS IDWOS:000303761600018
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13255
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Guo, J,Chen, XJ,Dai, JH,et al. Pressure-Driven Quantum Criticality in Iron-Selenide Superconductors[J]. PHYSICAL REVIEW LETTERS,2012,108(19).
APA Guo, J.,Chen, XJ.,Dai, JH.,Zhang, C.,Guo, JG.,...&Zhao, ZX.(2012).Pressure-Driven Quantum Criticality in Iron-Selenide Superconductors.PHYSICAL REVIEW LETTERS,108(19).
MLA Guo, J,et al."Pressure-Driven Quantum Criticality in Iron-Selenide Superconductors".PHYSICAL REVIEW LETTERS 108.19(2012).
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