期刊
SURFACE SCIENCE SPECTRA
卷 26, 期 2, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1116/1.5120015
关键词
Bi2Te3; 2D material; transition metal dichalcogenide; XPS
资金
- NSF [DMR-1539916]
Bismuth telluride (Bi2Te3) was analyzed using x-ray photoelectron spectroscopy. A freshly exfoliated, oxygen-free flake was analyzed. Spectral regions for O 1s, Te 3d, C 1s, Bi 4f, Bi 5d, and Te 4d were acquired. Bulk quantitative analyses by x-ray fluorescence, inductively coupled plasma-mass spectrometry, and x-ray diffraction indicated that the material was stoichiometric, contained low concentrations of impurities, and was phase pure, respectively.
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