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Low temperature oxidation of plutonium
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10.1116/1.4802596
/content/avs/journal/jvsta/31/3/10.1116/1.4802596
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/31/3/10.1116/1.4802596

Figures

Image of FIG. 1.
FIG. 1.

Evolution of Pu 4f7/2,5/2 spectra as a function of oxygen exposure in Langmuirs. X-ray induced satellites have been removed for clarity.

Image of FIG. 2.
FIG. 2.

O 1s spectra (a), C 1s spectra (b) of sample after sputter cleaning. Bottom spectra were acquired using a pass energy of 37.75 eV, and top spectra were acquired using a pass energy of 178.95 eV.

Image of FIG. 3.
FIG. 3.

Plutonium oxidation state concentration as a function of gas exposure.

Image of FIG. 4.
FIG. 4.

Parabolic Pu3+ film thickness growth for as a function of gas exposure (a). (b) as (a) plotted with (Pu3+ film thickness) 2 with a linear regression fit highlighting the parabolic nature of Pu3+ film growth.

Image of FIG. 5.
FIG. 5.

Reduction of Pu4+ to Pu3+ in UHV at 283 K. X-ray induced satellites have been removed for clarity (a). (b) The reaction profile of the data presented in (a).

Image of FIG. 6.
FIG. 6.

Arrhenius plot and linear regression fit of the reduction of Pu4+ to Pu3+ in UHV.

Tables

Generic image for table
TABLE I.

Summary of Pu 4f7/2,5/2 peaks and satellites binding energies and corresponding oxidation states.

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/content/avs/journal/jvsta/31/3/10.1116/1.4802596
2013-04-18
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Low temperature oxidation of plutonium
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/31/3/10.1116/1.4802596
10.1116/1.4802596
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