Electron energy-loss spectra of Li-and V-doped -rhombohedral boron ( -r-B) were measured from perfect crystalline areas of 180 nm in diameter. The onset of spectra of Li-doped -r-B was observed at about 1.5 eV, but that of V-doped -r-B was not clearly observed. The volume plasmon peaks of Li-and V-d
High-energy-resolution electron energy-loss spectroscopy study of the electronic structure of Cu- and Mg-Si-doped β-rhombohedral boron crystals
✍ Scribed by Masami Terauchi; Yohei Sato; Takahiro Nakayama; Atsushi Oguri; Kohei Soga; Kaoru Kimura
- Book ID
- 118481589
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 231 KB
- Volume
- 177
- Category
- Article
- ISSN
- 0022-4596
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Electron energy-loss spectra of -rhombohedral boron ( -r-B) were obtained from perfect crystalline areas of 180 nm diameter. The onset of the spectral intensity was observed at 2.4 eV (band gap energy). The volume plasmon peak due to the sp valence electrons is at 24.5 eV with a full width at half m
Electron energy-loss spectra of oxide superconductors of La 2Ϫx Sr x CuO 4 (x 0.08, 0.15 and 0.18) and an insulator of La 2 CuO 4 (x 0.0) have been measured from their perfect crystalline areas (180 nmf ) over an energy range of 0-60 eV. Each spectrum showed two large peaks at about 13 and 30 eV. Th