Hard X-ray photoelectron spectroscopy study for transport behavior of CsI in heating test simulating a BWR severe accident condition: Chemical effects of boron vapors

Okane, Tetsuo; Kobata, Masaaki; Sato, Isamu; Kobayashi, Keisuke; Osaka, Masahiko; Yamagami, Hiroshi

doi:10.1016/j.nucengdes.2015.10.029

Cited by 4 publications

(3 citation statements)

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“…The various photoelectron peaks such as Fe 1s, Fe 2p, O 1s, Pt 4f and Y 3d were measured at room temperature. The other details have been noted elsewhere [16,17]. Figure 1 shows the wide-scan HAXPES spectra of the Pt/YIG samples.…”

Section: Methodsmentioning

confidence: 82%

“…In comparison to the conventional PES, HAXPES offers large probing depths of photoelectrons up to several nanometers with the aid of X-ray energies typically above 5 keV. Owing to this advantage, this method has been known as a powerful tool for non-destructive measurements of true bulk states and buried interfaces [13][14][15][16][17]. Therefore, HAXPES is plausibly well suitable to the purpose of this study.…”

Section: Introductionmentioning

confidence: 99%

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Hard X-ray Photoelectron Spectroscopy Study of Pt/Y₃Fe₅O₁₂

Kobata

Yoshii

Fukuda

et al. 2020

Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2019)

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We have investigated the electronic structures of Pt/Y 3 Fe 5 O 12 (YIG) bilayers (prototypical spin-Seebeck devices), by means of hard X-ray photoelectron spectroscopy (HAXPES) using synchrotron radiation to reveal the detailed core-level electronic structures near the surface and interface that impact on unconventional magnetotransport properties in Pt/YIG systems. The PES spectra of Fe 2p, Y 3s and O1s suggest a chemical reaction at the interface between Pt and YIG. The Fe 1s spectra show the two kinds of valence states of Fe ions. The one is Fe 3+ in the YIG substrate, while the other is metallic Fe (Fe 0). In addition, the Fe 0 species are found to exist near the surface of the Pt layer. These results are consistent with the proposed origin of the anomalous properties, i.e., the presence of Fe impurities for a skew scattering.

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Section: Methodsmentioning

confidence: 82%

Section: Introductionmentioning

confidence: 99%

Hard X-ray Photoelectron Spectroscopy Study of Pt/Y₃Fe₅O₁₂

Kobata

Yoshii

Fukuda

et al. 2020

Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2019)

View full text Add to dashboard Cite

show abstract

“…Applications of HAXPES are diverse, ranging from the identication of buried oxygen in Cu catalysts for CO 2 reduction 115 to characterising the likely outcomes of nuclear accidents. 116 In particular, HAXPES has proved strikingly powerful in locating and characterising layers and buried interfaces, 117 for example in devices (such as prototype metal-oxide-semiconductor eld effect transistor devices, https://doi.org/10.1039/D1FD00110H 118 and spintronic materials 119 ) and interphases, for example the solid electrolyte interphase in battery materials. [120][121][122] In both cases, there are signicant advantages in making measurements in a more realistic environment in a working device or cell, moving towards in operando conditions.…”

Section: Developments In Haxpesmentioning

confidence: 99%