| Budget Amount *help |
¥25,220,000 (Direct Cost: ¥19,400,000、Indirect Cost: ¥5,820,000)
Fiscal Year 2009: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2008: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2007: ¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
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| Research Abstract |
We have revealed that. with the proper choice of polarization and energy of photons, the magnetic circular dichroism (MCD) asymmetry in the valence band can be largely enhanced. In case of ferromagnetic transition metals, the magnetism is derived from the 3d electrons. We can see large magnetic dichroism for the transition from 3d electrons to the resonance sp orbital, and for two photon photoemission MCD, this resonance transition gives large dichroism. The use of photo electron microscope with the large dichroism enables us to observe magnetic domains with high sensitivity, and to reveal the ultrafast dynamics of the magnetic domains using pulse lasers.
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