abstract |
The present invention is firstly a graphite sheet having a thickness of 9.6 μm or less and more than 50 nm and a thermal conductivity along the a-b plane direction at 25°C of 1950 W/mK or more. The present invention is secondly a graphite sheet having a thickness in a range of less than 9.6 μm and 20 nm or more, an area of 9 mm 2 or more, and a carrier mobility along the a-b plane direction at 25°C of 8000 cm 2 /V·sec or more. |