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The kagome metals AV3Sb5(A=K,Rb,Cs)under ambient pressure exhibit an unusual charge order,from which superconductivity emerges.In this work,by applying hydrostatic pressure using a liquid pressure medium and carrying out electrical resistance measurements for RbV3Sb5,we find that the charge order becomes suppressed under a modest pressure pc(1.4 GPa3Sb5.Our findings point to qualitatively similar temperature-pressure phase diagrams in KV3Sb5 and RbV3Sb5,{and suggest a close link}between the second superconducting dome and the high-pressure resistance anomalies. 相似文献
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