| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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| Outline of Final Research Achievements |
In this research, we studied surface nanostructure, local density of states, and magnetism of ultrathin Pd films by scanning tunneling microscope/spectroscopy (STM/STS), low energy low-energy electron diffraction (LEED) to verify experimentally the origin of the appearance of ferromagnetism in ultrathin Pd films.
High quality epitaxial Pd(001) films, consisting of atomically flat terraces, were successfully grown by using the UHV system equipped with MBE and STM. The dI/dV spectra of the 4ML thick of Pd(001) film shows a distinct peak at +250 mV, which may correspond to the spin-polarized surface states of Pd(001) surface. We have studied the Pd thickness dependence of lattice constants by the LEED patterns, and they turns out that the Pd(001) films show lattice expiations.
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