2020
DOI: 10.1016/j.commatsci.2019.109264
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Comprehensive study on the electronic and optical properties of α-U3O8

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Cited by 14 publications
(16 citation statements)
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“…They attributed these two absorption edges to α-UO 3 and α-U 3 O 8 in the film, respectively . The band gap of the epitaxial α-U 3 O 8 film grown by PLD is consistent with the α-U 3 O 8 grown by sputtering and the diluted α-U 3 O 8 powder in solution . For the epitaxial α-UO 3 thin film grown by PLD, the experimental results are shown in Figure d–f.…”
Section: Resultssupporting
confidence: 54%
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“…They attributed these two absorption edges to α-UO 3 and α-U 3 O 8 in the film, respectively . The band gap of the epitaxial α-U 3 O 8 film grown by PLD is consistent with the α-U 3 O 8 grown by sputtering and the diluted α-U 3 O 8 powder in solution . For the epitaxial α-UO 3 thin film grown by PLD, the experimental results are shown in Figure d–f.…”
Section: Resultssupporting
confidence: 54%
“…62 Figure 6e shows the linear extrapolation of the (αhν) 16 The band gap of the epitaxial α-U 3 O 8 film grown by PLD is consistent with the α-U 3 O 8 grown by sputtering and the diluted α-U 3 O 8 powder in solution. 63 For the epitaxial α-UO 3 thin film grown by PLD, the experimental results are shown in Figure 6d−f. A careful analysis indicates that an indirect band gap method (Figure 6e) gives a better linear extrapolation in a large photon energy range, where an indirect band gap of 2.26 eV is estimated for our epitaxial α-UO 3 thin film grown by PLD.…”
Section: Methodsmentioning
confidence: 99%
“…We consider, thus, the isotropic averages (i.e., one third of the trace of the tensors), which can be directly compared with data from a polycrystalline sample (see the Supplemental Material for more details). We focus on the report of He and co-workers [7], as it is more detailed than other studies [10,11]. We assert that our results explain the reasons for the specific structural features observed in the absorption spectrum.…”
mentioning
confidence: 60%
“…Only during the past decade have experimental researchers started studying pointedly the electronic structure and the magnetic properties of U 3 O 8 . There are now several reports of measurements of its band gap using optical spectroscopy techniques [7,10,11]. From the theoretical point of view, various studies using first-principles methods were published [11][12][13][14] before the two already mentioned recent papers on this subject [3,4].…”
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confidence: 99%
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