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Chemical Bonding of AlH3 Hydride by Al-L2,3 Electron Energy-Loss Spectra and First-Principles Calculations
Department of Materials, Physics and Energy Engineering, Nagoya University, Chikusa, Nagoya 464-8603, Japan
Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
* Author to whom correspondence should be addressed.
Received: 30 January 2012; in revised form: 20 March 2012 / Accepted: 22 March 2012 / Published: 30 March 2012
Abstract: In a previous study, we used transmission electron microscopy and electron energy-loss (EEL) spectroscopy to investigate dehydrogenation of AlH3 particles. In the present study, we systematically examine differences in the chemical bonding states of Al-containing compounds (including AlH3) by comparing their Al-L2,3 EEL spectra. The spectral chemical shift and the fine peak structure of the spectra were consistent with the degree of covalent bonding of Al. This finding will be useful for future nanoscale analysis of AlH3 dehydrogenation toward the cell.
Keywords: AlH3; chemical bonding; EELS; first principles calculation
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MDPI and ACS Style
Tatsumi, K.; Muto, S.; Ikeda, K.; Orimo, S.-I. Chemical Bonding of AlH3 Hydride by Al-L2,3 Electron Energy-Loss Spectra and First-Principles Calculations. Materials 2012, 5, 566-574.
Tatsumi K, Muto S, Ikeda K, Orimo S-I. Chemical Bonding of AlH3 Hydride by Al-L2,3 Electron Energy-Loss Spectra and First-Principles Calculations. Materials. 2012; 5(4):566-574.
Tatsumi, Kazuyoshi; Muto, Shunsuke; Ikeda, Kazutaka; Orimo, Shin-Ichi. 2012. "Chemical Bonding of AlH3 Hydride by Al-L2,3 Electron Energy-Loss Spectra and First-Principles Calculations." Materials 5, no. 4: 566-574.