Inner-orbital photoelectron spectroscopy of the alkali metal halides, perchlorates, phosphates, and pyrophosphates

Morgan, Wayne E.; Wazer, John R. Van; Stec, Wojciech J.

doi:10.1021/ja00784a018

Cited by 357 publications

(250 citation statements)

References 2 publications

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“…The most significant Auger electron decay for KI and for CsI occurs at energies of 293 eV 51 and 724 eV, 52 respectively, since these energies determine the total number of SE emissions; about 2.5 times more SEs would be expected for CsI than for KI (see argument below). As we wish to make a comparison a The average number of SEs generated by a 500 eV initiating electron, NSE, is given along with the average electron-hole pair creation energy, Eeh.…”

Section: Resultsmentioning

confidence: 99%

Secondary Electron Cascade Dynamics in KI and CsI

Ortiz

Caleman

2007

J. Phys. Chem. C

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We present a study of the characteristics of secondary electron cascades in two photocathode materials, KI and CsI. To do so, we have employed a model that enables us to explicitly follow the electron trajectories once the dielectric properties have been derived semiempirically from the energy loss function. Furthermore, we introduce a modification to the model by which the energy loss function is calculated in a first-principle manner using the GW approximation for the self-energy of the electrons. We find good agreement between the two approaches. Our results show comparable saturation times and secondary electron yields for the cascades in the two materials, and a narrower electron energy distribution (51%) for KI compared to that for CsI.

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Section: Resultsmentioning

confidence: 99%

Secondary Electron Cascade Dynamics in KI and CsI

Ortiz

Caleman

2007

J. Phys. Chem. C

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“…The chemical state of Cs can be identified by the energy of the 3d 5=2 peak; 723.7 eV for CsCl, 723.9-724.8 eV for CsOH, and 724.0 eV for Cs 2 CO 3 . 26,[28][29][30] The Cs 3d 5=2 peak in Fig. 3(c) is located at 724.6 eV.…”

Section: Experimental Methodsmentioning

confidence: 96%

Effective adsorption and collection of cesium from aqueous solution using graphene oxide grown on porous alumina

Entani

Honda

Shimoyama

et al. 2018

Jpn. J. Appl. Phys.

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Graphene oxide (GO) with a large surface area was synthesized by the direct growth of GO on porous alumina using chemical vapor deposition to study the Cs adsorption mechanism in aqueous solutions. Electronic structure analysis employing in situ near-edge X-ray absorption fine structure spectroscopy and X-ray photoelectron spectroscopy measurements clarifies the Cs atoms bond via oxygen functional groups on GO in the aqueous solution. The Cs adsorption capacity was found to be as high as 650-850 mg g %1 , which indicates that the GO/porous alumina acts as an effective adsorbent with high adsorption efficiency for radioactive nuclides in aqueous solutions.

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“…The three peaks at 74.20, 75.38, and 76.18 eV were fitted with the Al 2p spectrum at 15 min (Figure 11b). Moreover, curves of K-F (683.64 eV), Al-F (685.53 eV), Li-F (686.39 eV) and Ca-F (684.58 eV) were fitted with the F 1s spectrum at 15 min (Figure 11c) [27][28][29][30]. In addition, peak area ratios among K-F, Li-F and Al-F were 0.09:0.82:1; therefore, it can be concluded that aluminum was partially fluorinated at 15 min.…”

Section: Xps Analysesmentioning

confidence: 99%

Investigation of Enhanced Leaching of Lithium from α-Spodumene Using Hydrofluoric and Sulfuric Acid

et al. 2017

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An effective method using hydrofluoric and sulfuric acid was proposed to enhance the leaching of lithium from α-spodumene, without calcination that is subjected to 1000 • C for phase transformation. The thermodynamic feasibility of the reactions was firstly verified. Dissolution conditions were tested to maximize the leaching efficiency of lithium and with efficient utilization of hydrofluoric acid (HF) served as evaluation criteria. The results showed that 96% of lithium could be transferred into lixivium with an ore/HF/H 2 SO 4 ratio of 1:3:2 (g/mL/mL), at 100 • C for 3 h. Due to the fact that HF molecules were the main reaction form, the dissolution behaviors were theoretically represented and investigated by dissolution in HF/H 2 SO 4 . When combined with chemical elements analyses and characterizations, the results of the dissolution behaviors revealed that α-spodumene and albite were preferentially dissolved over quartz. Insoluble fluoroaluminates, such as

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Inner-orbital photoelectron spectroscopy of the alkali metal halides, perchlorates, phosphates, and pyrophosphates

Cited by 357 publications

References 2 publications

Secondary Electron Cascade Dynamics in KI and CsI

Secondary Electron Cascade Dynamics in KI and CsI

Effective adsorption and collection of cesium from aqueous solution using graphene oxide grown on porous alumina

Investigation of Enhanced Leaching of Lithium from α-Spodumene Using Hydrofluoric and Sulfuric Acid

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