Development and application of high speed, high accuracy, and time-dependent spin dynamics imaging measurement system
| Project/Area Number |
24340070
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (B)
|
| Allocation Type | Partial Multi-year Fund |
|---|
| Section | 一般 |
|---|
| Research Field |
Condensed matter physics I
|
|---|
| Research Institution | Keio University |
|---|
Principal Investigator |
|
|---|
| Project Period (FY) |
2012-04-01 – 2015-03-31
|
| Project Status |
Completed (Fiscal Year 2014)
|
| Budget Amount *help |
¥20,280,000 (Direct Cost: ¥15,600,000、Indirect Cost: ¥4,680,000)
Fiscal Year 2014: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2013: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2012: ¥15,600,000 (Direct Cost: ¥12,000,000、Indirect Cost: ¥3,600,000)
|
|---|
| Keywords | 高速スピン制御 / テラヘルツ波 / ファイバーレーザ |
|---|
| Outline of Final Research Achievements |
We developed a technology in order to measure a dynamic behavior of the magnetic structure induced by the intense terahertz pulse irradiation. We developed a magneto-optic imaging microscope system and current-induced rectifying signal measurement system in order to probe the static and dynamic behavior of the vortex core in a thin-film permalloy disk sample. We applied an intense terahertz pulse field to the sample, and investigate the structural change. Moreover, we developed a terahertz polarization measurement system for the future magnetic control by using the polarized terahertz electromagnetic field.
|
Report
(4 results)
Research Products
(19 results)
