| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2020: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
The single-component molecular conductors are newly emerging molecular materials, which have brought about diverse electronic phases originating from intramolecular multi-orbitals. The single-component molecular conductors [M(dmdt)2] (M = Ni, Pd, Pt) systems, are sought-after ambient-pressure molecular massless Dirac materials. Band calculations based on first-principles density functional theory reveal three-dimensional Dirac nodal lines lying approximately at the Fermi level. Temperature-insensitive conductivity and temperature-dependent spin susceptibility nearly vanishing at low temperature, in conjunction with the band-structure calculations, indicate that [M(dmdt)2] systems host strongly correlated massless Dirac electrons with nodal lines at ambient pressure, not previously substantiated in molecular materials.
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