| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
We performed a study on two-dimensional topological crystalline insulators as a theoretical study for the emergence of new electronic properties in atomically thin films utilizing substrates. We performed numerical calculations using the density-functional method for various combinations of monatomic films and substrates. We found the materials and conditions for systems of two-dimensional topological crystalline insulators. The conditions for desirable substrates are (1) they have the same crystal structures as monatomic films, (2) they strongly interact with monatomic films, and (3) lattice constants of substrates are slightly shorter than those of monatomic films.
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