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Citeable URL: http://ir.library.oregonstate.edu/concern/articles/9k41zg46c

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Attribute Name	Values
Alternative Title	Real-time observation of hydrogen absorption by LaNi5 with quasi-dynamic neutron tomography
Creator	Vajo, John J. Ham, Kyungmin Liu, Ping Jacobson, David L. Kaestner, Anders Wood, Bradley M. Dobbins, Tabbetha A. Faridani, Adel Butler, Leslie G. Hussey, Daniel S.
Abstract or Summary	The uptake of hydrogen by lanthanum pentanickel (LaNi₅) to form lanthanum nickel hydride (LaNi₅H₆) is followed with three-dimensional imaging by neutron tomography. The hydrogen absorption process is slower than the time needed for acquiring a single radiograph, about 10 s, but fast relative to the time to acquire a fully-sampled tomographic data set, about 6000 s. A novel data acquisition scheme is used with angles based upon the Greek Golden ratio, a scheme which allows considerable flexibility in post-acquisition tomography reconstruction. Even with tomographic undersampling, the granular structure for the conversion of LaNi₅ particles to LaNi₅H₆ particles is observed and visually tracked in 3D. Over the course of five sequential hydrogen uptake runs with various initial hydrogen pressures, some grains are repeatedly observed.
Resource Type	Article
DOI	10.1016/j.nimb.2013.10.052
Date Available	2014-05-20T20:46:05+00:00
Date Issued	2014-04-01
Citation	Wood, B. M., Ham, K., Hussey, D. S., Jacobson, D. L., Faridani, A., Kaestner, A., ... & Butler, L. G. (2014). Real-time observation of hydrogen absorption by LaNi₅ with quasi-dynamic neutron tomography. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 324, 95-101. doi:10.1016/j.nimb.2013.10.052
Series	Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms Vol. 324 (2014)
Keyword	Dynamic tomography Neutron tomography Hydrogen storage
Rights Statement	Copyright Not Evaluated
Funding Statement (additional comments about funding)	The NIST authors acknowledge support from the U.S. Department of Commerce, the NIST Radiation Physics Division, the Director’s office of NIST, the NIST Center for Neutron Research, and the Department of Energy through interagency agreement No. DEAI01–01EE50660. L.G.B. and T.A.D. gratefully acknowledge the support of materials science tomography from the National Science Foundation (CHE-0910937) and the NSF EPSCoR Cooperative Agreement No. EPS-1003897 with additional support from the Louisiana Board of Regents. A.F. also acknowledges NSF support (DMS-0709495). P.L. and J.J.V. acknowledge support from the Center on Nanostructuring for Efficient Energy Conversion (CNEEC) at Stanford University, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award Number DESC0001060.
Publisher	Elsevier
Peer Reviewed	Yes
Language	English [eng]
Replaces	http://hdl.handle.net/1957/48224
Additional Information	description.provenance : Submitted by Erin Clark (erin.clark@oregonstate.edu) on 2014-05-20T20:45:13Z No. of bitstreams: 1 FaridaniAdelMathematicsReal-TimeObservation.pdf: 1990528 bytes, checksum: ee9814928304cb10eae6125396eb930e (MD5) description.provenance : Made available in DSpace on 2014-05-20T20:46:05Z (GMT). No. of bitstreams: 1 FaridaniAdelMathematicsReal-TimeObservation.pdf: 1990528 bytes, checksum: ee9814928304cb10eae6125396eb930e (MD5) Previous issue date: 2014-04-01 description.provenance : Approved for entry into archive by Erin Clark(erin.clark@oregonstate.edu) on 2014-05-20T20:46:05Z (GMT) No. of bitstreams: 1 FaridaniAdelMathematicsReal-TimeObservation.pdf: 1990528 bytes, checksum: ee9814928304cb10eae6125396eb930e (MD5)

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