Publicly Offered Research
Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
The project has focussed on research in emergent electronic phenomena in the family of hybrid f-/p-electron molecular materials successfully established for the first time by our work to-date within J-Physics. In order to achieve our targets, we synthesized and researched new families of molecular-based strongly correlated f-electron fullerides in which the presence of the electronically-active C60 anions is combined with mixed configuration rare earths leading to properties intrinsically unattainable in any other system currently available. Strong correlations dominate the electronic properties of both the rare-earth cation and the C60 anion sublattices. To-date the project has unambiguously authenticated by both synchrotron X-ray diffraction and spectroscopic techniques at ambient and elevated pressures the occurrence of valence transitions with novel characteristics arising from the simultaneous presence of the electronically-active C60 sublattice. Moreover, it has also led to a family of mixed valence materials with chemically (and potentially physically) quasi-continuously tunable valence transitions opening up the possibility of unveiling a new type of quantum criticality caused by critical valence fluctuations. Finally, the orbitally selective (Jahn-Teller) metallic state, which is the parent of the highest-Tc fulleride superconductor appears to be harboring a hidden quadrupolar order, key to the understanding of the intriguing electronic properties of this state of matter.
29年度が最終年度であるため、記入しない。
All 2018 2017 2016 Other
All Int'l Joint Research (4 results) Journal Article (6 results) (of which Int'l Joint Research: 5 results, Peer Reviewed: 6 results, Open Access: 4 results, Acknowledgement Compliant: 1 results) Presentation (37 results) (of which Int'l Joint Research: 28 results, Invited: 23 results) Remarks (2 results)
Materials Chemistry Frontiers
Volume: 印刷中 Issue: 5 Pages: 993-998
10.1039/c8qm00048d
International Journal of Modern Physics B
Volume: 32 Issue: 17 Pages: 1840020-1840020
10.1142/s0217979218400209
Nature Chemistry
Volume: 9 Issue: 7 Pages: 635-643
10.1038/nchem.2764
Volume: 9 Issue: 7 Pages: 644-652
10.1038/nchem.2765
Nature Communications
Volume: 8 Issue: 1 Pages: 14467-14467
10.1038/ncomms14467
Philosophical Transactions of the Royal Society A
Volume: 374 Issue: 2076 Pages: 20150320-20150320
10.1098/rsta.2015.0320
https://www.wpi-aimr.tohoku.ac.jp/prassides_labo/index.html
http://www.wpi-aimr.tohoku.ac.jp/prassides_labo/
