Presentation 2004/1/22
Numerical Foundation of Hot-Electron Diffraction Experiment : Based on Ballistic Electron Emission Microscope
Nobuya MACHIDA, Hiroyuki KANOH, Kazuhito FURUYA,
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Abstract(in English) We give numerical foundations for previously proposed experiment of hot-electron diffraction observation in solid based on Ballistic Electron Emission Microscope (BEEM). It is found that hot-electron wavefunction in semiconductor becomes quasi-spherical wave because of large refraction effect at base metal/semiconductor interface due to large differences of conduction band bottoms and effective masses between each materials. Thus, it has been made clear that the quantum reciprocity, our measurement principle, can be applied to our proposed experimental configuration by using BEEM. We have also carried out numerical simulations for our experiment with a π-phase shifter structure as a wavefront modulator by Finite Difference Time Domain (FDTD) method. The results showed diffraction patterns with high contrast and our scenario for hot-electron diffraction observation was ensured.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) hot electron / solid state / BEEM / reciprocity / interference / diffraction / wavefront / numerical simulation / FDTD
Paper # SDM2003-208
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Committee SDM
Conference Date 2004/1/22(1days)
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Registration To Silicon Device and Materials (SDM)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Numerical Foundation of Hot-Electron Diffraction Experiment : Based on Ballistic Electron Emission Microscope
Sub Title (in English)
Keyword(1) hot electron
Keyword(2) solid state
Keyword(3) BEEM
Keyword(4) reciprocity
Keyword(5) interference
Keyword(6) diffraction
Keyword(7) wavefront
Keyword(8) numerical simulation
Keyword(9) FDTD
1st Author's Name Nobuya MACHIDA
1st Author's Affiliation Graduate School of Science and Engineering Tokyo Institute of Technology:CREST, Japan Science and technology Agency()
2nd Author's Name Hiroyuki KANOH
2nd Author's Affiliation Graduate School of Science and Engineering Tokyo Institute of Technology
3rd Author's Name Kazuhito FURUYA
3rd Author's Affiliation Graduate School of Science and Engineering Tokyo Institute of Technology:CREST, Japan Science and technology Agency
Date 2004/1/22
Paper # SDM2003-208
Volume (vol) vol.103
Number (no) 630
Page pp.pp.-
#Pages 5
Date of Issue