Zobrazeno 1 - 10 of 55 pro vyhledávání: '"I, Pacold"'
1
Submicrometer spectromicroscopy of UO2 aged under high humidity conditions
Autor: Alex S. Ditter, Joseph I. Pacold, Zurong Dai, M. Lee Davisson, David Vine, Scott B. Donald, Brandon W. Chung, David K. Shuh
Publikováno v: Journal of Vacuum Science & Technology A. 40
The oxidation of uranium dioxide is a complicated process, depending on factors including humidity, temperature, and microstructure. To further determine the characteristics of this process, UO2 particles were allowed to age and agglomerate under 98%
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::054508dec6840011ca864d9a5aec9e8a
https://doi.org/10.1116/6.0001880
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2
Evaluation of electronic state of Cs-adsorbed clay minerals by NEXAFS analysis using DFT calculations
Autor: Joseph I. Pacold, Stefan G. Minasian, Alison B. Altman, Masahiko Osaka, David K. Shuh, Shinichi Suzuki, Tsuyoshi Yaita, Hiroyuki Yoshida, Chikashi Suzuki, Tolek Tyliszczak
Publikováno v: Suzuki, Chikashi; Yaita, Tsuyoshi; Suzuki, Shinichi; Pacold, Joseph; Altman, Alison B; Minasian, Stefan G; et al.(2019). Evaluation of electronic state of Cs-adsorbed clay minerals by NEXAFS analysis using DFT calculations. Journal of Physics and Chemistry of Solids, 127, 169-177. doi: 10.1016/j.jpcs.2018.11.011. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/8jd9t9p1
© 2018 Elsevier Ltd A combined analytical method of NEXAFS measurement and DFT-calculation was employed for the evaluation of Cs states in clay minerals. The measured Cs M 4,5 NEXAFS spectra of Cs halides were analyzed using the DFT-calculations in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d5dada32db2317f8b71ada5d5a6fde0
https://escholarship.org/uc/item/8jd9t9p1
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4
Development of small particle speciation for nuclear forensics by soft X-ray scanning transmission spectromicroscopy
Autor: David K. Shuh, Joseph I. Pacold, Kiel Holliday, K. B. Knight, M. J. Kristo, Tolek Tyliszczak, Corwin H. Booth, Stefan G. Minasian, Alison B. Altman
Publikováno v: The Analyst. 143(6)
Synchrotron radiation spectromicroscopy provides a combination of submicron spatial resolution and chemical sensitivity that is well-suited to analysis of heterogeneous nuclear materials. The chemical and physical characteristics determined by scanni
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a60f6941a163d7a7d91627860287be2b
https://pubmed.ncbi.nlm.nih.gov/29479614
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5
Evidence for 5d-σ and 5d-π covalency in lanthanide sesquioxides from oxygen K-edge X-ray absorption spectroscopy
Autor: Jian Wang, Alison B. Altman, Wayne W. Lukens, Stefan G. Minasian, Joseph I. Pacold
Publikováno v: Dalton Transactions. 45:9948-9961
The electronic structure in the complete series of stable lanthanide sesquioxides, Ln2O3 (Ln = La to Lu, except radioactive Pm), has been evaluated using oxygen K-edge X-ray absorption spectroscopy (XAS) with a scanning transmission X-ray microscope
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a0f16174d9bec87c0809a64046b7c95d
https://doi.org/10.1039/c6dt00358c
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6
Uranium Oxide Nanocrystals by Microwave-Assisted Thermal Decomposition: Electronic and Structural Properties
Autor: David K. Shuh, Jennifer Leduc, Joseph I. Pacold, Sanjay Mathur, Chung‐Li Dong
Publikováno v: Leduc, J; Pacold, JI; Shuh, DK; Dong, CL; & Mathur, S. (2018). Uranium Oxide Nanocrystals by Microwave-Assisted Thermal Decomposition: Electronic and Structural Properties. Zeitschrift fur Anorganische und Allgemeine Chemie, 644(1), 12-18. doi: 10.1002/zaac.201700294. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/6xk0b6k1
Zeitschrift fur Anorganische und Allgemeine Chemie, vol 644, iss 1
Zeitschrift für anorganische und allgemeine Chemie, vol 644, iss 1
Author(s): Leduc, J; Pacold, JI; Shuh, DK; Dong, CL; Mathur, S | Abstract: Uranium oxides have attracted much attention not only in the context of nuclear energy generation but also for their application as pristine catalysts or as supports for other
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7d32b3c2bb524c4b0ca1a759a1500d1
http://www.escholarship.org/uc/item/6xk0b6k1
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7
Dual roles of f electrons in mixing Al 3p character into d -orbital conduction bands for lanthanide and actinide dialuminides
Autor: Joseph I. Pacold, Stefan G. Minasian, Jian Wang, Zachary Fisk, David Prendergast, Eric D. Bauer, Alison B. Altman, David K. Shuh, John Arnold, Corwin H. Booth, Chaitanya Das Pemmaraju, Tolek Tyliszczak, Selim Alayoglu
Publikováno v: Physical Review B. 97
Correlated electron phenomena in lanthanide and actinide materials are driven by a complex interplay between the $f$ and $d$ orbitals. In this study, aluminum $K$-edge x-ray absorption spectroscopy and density functional theory calculations are used
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d3c2fc715834561a2d28fec140be36e
https://doi.org/10.1103/physrevb.97.045110
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8
How Do Radionuclides Accumulate in Marine Organisms? A Case Study of Europium with Aplysina cavernicola
Autor: Hervé Michel, Marguerite Monfort, Joseph I. Pacold, François Oberhaensli, Christophe Moulin, Stefan G. Minasian, David K. Shuh, Christophe Den Auwer, Melody Maloubier, Yasmine Bottein, Pier-Lorenzo Solari
Publikováno v: Environmental sciencetechnology. 50(19)
In the ocean, complex interactions between natural and anthropogenic radionuclides, seawater, and diverse marine biota provide a unique window through which to examine ecosystem and trophic transfer mechanisms in cases of accidental dissemination. Th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1097f8bfa7f5f547a516cf297259d7d8
https://pubmed.ncbi.nlm.nih.gov/27588898
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9
Effects of Ligand Geometry on the Photophysical Properties of Photoluminescent Eu(III) and Sm(III) 1-Hydroxypyridin-2-one Complexes in Aqueous Solution
Autor: Lena J. Daumann, Christopher M. Andolina, David S. Tatum, Anthony D'Aléo, Ga Lai Law, Kenneth N. Raymond, Jide Xu, Joseph I. Pacold
Publikováno v: Inorganic chemistry. 55(1)
A series of 10 tetradentate 1-hydroxy-pyridin-2-one (1,2-HOPO) ligands and corresponding eight-coordinated photoluminescent Eu(III) and Sm(III) complexes were prepared. Generally, the ligands differ by the linear (nLI) aliphatic linker length, from 2
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22d95cfaca9039b7870fd5aab6a00a30
https://pubmed.ncbi.nlm.nih.gov/26679038
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10
Chemical speciation of U, Fe, and Pu in melt glass from nuclear weapons testing
Autor: Corwin H. Booth, Kim B. Knight, Wayne W. Lukens, G. R. Eppich, Joseph I. Pacold, Kiel Holliday, David K. Shuh
Publikováno v: Pacold, JI; Lukens, WW; Booth, CH; Shuh, DK; Knight, KB; Eppich, GR; et al.(2016). Chemical speciation of U, Fe, and Pu in melt glass from nuclear weapons testing. Journal of Applied Physics, 119(19). doi: 10.1063/1.4948942. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/4fm4m1cr
© 2016 Author(s). Nuclear weapons testing generates large volumes of glassy materials that influence the transport of dispersed actinides in the environment and may carry information on the composition of the detonated device. We determine the oxida
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a012d503c785f46ed4615838b3915b0
https://doi.org/10.1063/1.4948942
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