A
A. Lanzirotti
Researcher at University of Chicago
Publications - 17
Citations - 485
A. Lanzirotti is an academic researcher from University of Chicago. The author has contributed to research in topics: XANES & Chondrite. The author has an hindex of 9, co-authored 17 publications receiving 420 citations.
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Journal ArticleDOI
Coprecipitation of Uranium(VI) with Calcite: XAFS, micro-XAS, and luminescence characterization
Richard J. Reeder,Melissa Nugent,C. Drew Tait,David E. Morris,Steve M. Heald,Kenneth M. Beck,Wayne P. Hess,A. Lanzirotti +7 more
TL;DR: In this article, X-ray absorption and luminescence spectroscopies have been used to characterize the local structure and coordination of uranium(VI) species coprecipitated with calcite (CaCO3) from room-temperature aqueous solutions.
Journal ArticleDOI
The bulk valence state of Fe and the origin of water in chondrites
Stephen R. Sutton,C. M. O'd. Alexander,A. Bryant,A. Lanzirotti,M. Newville,Edward A. Cloutis +5 more
TL;DR: In this article, the authors used Fe XANES to determine the Fe valences of bulk meteorite powders in Orgueil (CI1), a number of CMs and CRs that experienced varying degrees of alteration, and Semarkona (LL3.00).
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Cerium Substitution in Yttrium Iron Garnet: Valence State, Structure, and Energetics
Xiaofeng Guo,Amir H. Tavakoli,Steve Sutton,Ravi K. Kukkadapu,Liang Qi,A. Lanzirotti,M. Newville,Mark Asta,Alexandra Navrotsky +8 more
TL;DR: In this paper, the local structure and thermodynamic stability of Yttrium iron garnet, Y3Fe5O12 (YIG), was studied using X-ray absorption near edge structure spectroscopy.
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Structural environment of iron and accurate determination of Fe3+/ΣFe ratios in andesitic glasses by XANES and Mössbauer spectroscopy
TL;DR: In this article, a correlation between the pre-edge centroid energy and Fe 3+ /∑Fe ratio for andesitic glasses was derived from X-ray absorption near-edge structure (XANES) and Mossbauer spectra.
Journal ArticleDOI
Chemical Composition and Heterogeneity of Wild 2 Cometary Particles Determined by Synchrotron X-ray Fluorescence
TL;DR: In this paper, seven cometary dust particle tracks in Stardust aerogel were studied using synchrotron X-ray fluorescence methods at the National Synchoretron Light Source (NY) and Advanced Photon Source (IL).