The 80th JSAP Autumn Meeting 2019

Presentation information

Oral presentation

Joint Session M » 22.1 Joint Session M "Phonon Engineering"

[19p-E214-1~12] 22.1 Joint Session M "Phonon Engineering"

Thu. Sep 19, 2019 1:15 PM - 4:45 PM E214 (E214)

Tsunehiro Takeuchi(Toyota Technol. Inst.), Takanobu Watanabe(Waseda Univ.), Tsuyohiko Fujigaya(Kyushu Univ.)

1:45 PM - 2:00 PM

[19p-E214-3] Measurement of Near-field Heat Radiative Transfer Between Nanogap With Single Crystal Silicon Cleavage Planes

Masaki Shimofuri1, Yoshikazu Hirai1, Toshiyuki Tsuchiya1, Osamu Tabata1 (1.Kyoto Univ.)

Keywords:near-field radiative transfer, nanogap, thermionic generation

For evaluating the feasibility of thermionic generation near room temperature, this research aims to create nanogap with smooth opposing surface and uniform gap distance, and to measure near-field radiative transfer between the gap. In experiment, while changing by electrostatic actuator distance of nanogap fabricated by cleaving single crystal silicon with 53 nm initial gap distance and 21.5 µm2 opposing surfaces area, one end was heated and the temperature change of both ends was measured by Raman microscope. The observed heat transfer was significantly smaller than the theoretical calculation.