Journal
PHYSICAL REVIEW LETTERS
Volume 109, Issue 23, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.109.237008
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Funding
- EPSRC UK
- Trinity College (Cambridge)
- JSPS [22350029]
- Global COE Program International Center for Integrated Research and Advanced Education in Materials Science at Kyoto University
- Grants-in-Aid for Scientific Research [22350029] Funding Source: KAKEN
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We show that the quasi-skutterudite superconductor Sr3Ir4Sn13 undergoes a structural transition from a simple cubic parent structure, the I phase, to a superlattice variant, the I' phase, which has a lattice parameter twice that of the high temperature phase. We argue that the superlattice distortion is associated with a charge density wave transition of the conduction electron system and demonstrate that the superlattice transition temperature T* can be suppressed to zero by combining chemical and physical pressure. This enables the first comprehensive investigation of a superlattice quantum phase transition and its interplay with superconductivity in a cubic charge density wave system. DOI: 10.1103/PhysRevLett.109.237008
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