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On the Suitability of Lanthanides as Actinide Analogs

Published online by Cambridge University Press:  01 February 2011

Kenneth Raymond  and
Geza Szigethy
Kenneth Raymond
Affiliation:
raymond@socrates.berkeley.edu, University of California, Chemistry, 531 Latimer Hall, Berkeley, CA, 94720-1460, United States
Geza Szigethy
Affiliation:
szigethy@berkeley.edu, University of California, Chemistry Department, Berkeley, CA, 94720-1460, United States
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Abstract

With the current level of actinide materials used in civilian power generation and the need for safe and efficient methods for the chemical separation of these species from their daughter products and for long-term storage requirements, a detailed understanding of actinide chemistry is of great importance. Due to the unique bonding properties of the f-elements, the lanthanides are commonly used as structural and chemical models for the actinides, but differences in the bonding between these 4f and 5f elements has become a question of immediate applicability to separations technology. This brief overview of actinide coordination chemistry in the Raymond group at UC Berkeley/LBNL examines the validity of using lanthanide analogs as structural models for the actinides, with particular attention paid to single crystal X-ray diffraction structures. Although lanthanides are commonly accepted as reasonable analogs for the actinides, these comparisons suggest the careful study of actinide materials independent of their lanthanide analogs to be of utmost importance to present and future efforts in nuclear industries.

Keywords

actinidelanthanidecrystallographic structure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1104: Symposium NN – Actinides 2008—Basic Science, Applications and Technology , 2008 , 1104-NN04-01
Copyright
Copyright © Materials Research Society 2008

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