Dynamics of lattice distortion in photoinduced phase transitions
| Project/Area Number |
26400324
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (C)
|
| Allocation Type | Multi-year Fund |
|---|
| Section | 一般 |
|---|
| Research Field |
Condensed matter physics I
|
|---|
| Research Institution | National Institute for Materials Science |
|---|
Principal Investigator |
Nishino Masamichi 国立研究開発法人物質・材料研究機構, 国際ナノアーキテクトニクス研究拠点, 主幹研究員 (80391217)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
宮下 精二 東京大学, 大学院理学系研究科(理学部), 教授 (10143372)
末元 徹 公益財団法人豊田理化学研究所, フェロー事業部門, フェロー (50134052)
|
|---|
| Project Period (FY) |
2014-04-01 – 2017-03-31
|
| Project Status |
Completed (Fiscal Year 2016)
|
| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
|
|---|
| Keywords | 電子格子相互作用 / 相転移 / 臨界現象 / フラストレーション / 光誘起相転移 / 長距離相互作用 / 弾性相互作用 / 準安定状態 / 緩和過程 |
|---|
| Outline of Final Research Achievements |
It is important to clarify the cooperative effect by the elastic interaction induced by lattice distortion for the mechanism of phase transitions by light irradiation, temperature change, pressure change, etc. in spin-crossover (SC) materials. We showed theoretically that new critical phenomena and new phases can exist in two-dimensional SC systems. We also showed the mechanism which brings divergence-like enhancement by a finite-size effect in a system with a kind of long-range interactions, related to SC systems. We developed a computational method to study the growth of the high spin state after photo-irradiation.
|
Report
(4 results)
Research Products
(52 results)
