| Budget Amount *help |
¥16,800,000 (Direct Cost: ¥15,300,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2009: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2008: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2007: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2006: ¥10,300,000 (Direct Cost: ¥10,300,000)
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| Research Abstract |
^9Be Nuclear Magnetic Resonance (NMR) measurements were carried out for a single crystal UBe_<13> in order to clarify its mechanism of superconductivity. From the field-angle-dependence of ^9Be NMR measurements, the Be 2p orbital perpendicular to the mirror plane contributes mainly to the conduction band. In the superconducting state, we found that ^9Be-NMR Knight shift for H||[001] does not change at all. This result is consistent with the spin-triplet pairing state in UBe_<13>. In addition, unusual behavior observed in RF surface impedance measurements suggest that UBe_<13> has multiple superconducting phases.
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