2014 Fiscal Year Final Research Report
microscopic study of metal-nonmetal transition in the molecular based p-d system
| Project/Area Number |
23540423
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (C)
|
| Allocation Type | Multi-year Fund |
|---|
| Section | 一般 |
|---|
| Research Field |
Condensed matter physics II
|
|---|
| Research Institution | Gakushuin University |
|---|
Principal Investigator |
|
|---|
| Co-Investigator(Renkei-kenkyūsha) |
TAKAHASHI Toshihiro 学習院大学, 理学部, 教授 (60163276)
|
|---|
| Project Period (FY) |
2011-04-28 – 2015-03-31
|
| Keywords | p-d相互作用 / 分子性伝導体 / 金属-絶縁体転移 / 磁場誘起超伝導 / NMR |
|---|
| Outline of Final Research Achievements |
The roles of π-d interaction in the organic BETS based conductor, λ-BETS2FeCl4 system which shows a metal-superconductor transition at high magnetic field/a metal-insulator transition at low field, were microscopically investigated by NMR technique. The exchange interaction between itinerant π spin and ``dilute" d spins in the Ga doping system was clarified by analysis of NMR spectra. The temperature dependences of NMR spectra and relaxation, it has been clarified that the p spin contribute to the antiferromagnetically ordered insulating state at the lower magnetic field region.
|
| Free Research Field |
分子性物質
|
