| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2015: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Outline of Final Research Achievements |
We have developed an STM-SQUID microscope combining a scanning tunneling microscope (STM) and a scanning SQUID microscope. A permalloy probe was used as both the STM probe and the magnetic flux guide to the SQUID. In this research, we developed a probe with multi-turn coil to irradiate magnetic flux locally from the tip. This makes it possible to record fine magnetic pattern to the sample and to detect fine magnetic signal from it at the same time, while tracking the sample surface by STM. A clear magnetic pattern with a width on the order of 100 nanometers was recorded.
The STM-SQUID can be applied to a high resolution NMR. The magnetic probe with multi-turn coil is used for applying the polarizing magnetic field and detecting the NMR signal. We constructed nuclear quadruple resonance (NQR) and NMR measurement system which can be combined to STM-SQUID. NQR signal of N14 nuclide of hexamethylenetetramine could be detected. We also detected NMR signals of water derived from protons.
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