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Lanthanides and actinides are two series in the Periodic Table where an f shell is successively filled. This makes them similar in many respects, but there are important deviations in their behaviour under pressure. A major feature is the larger extension of the 5f orbitals with respect to the 4f orbitals, which causes delocalisation in the light actinide metals. Other properties follow the 2+4 relationship.

Additional information

Authors: BENEDICT U, JRC Karlsruhe (DE)
Bibliographic Reference: Paper presented: 13th International Conference on High Pressure Science and Technology, Bangalore (IN), Oct. 7-11, 1991
Availability: Available from (1) as Paper EN 36392 ORA
Record Number: 199210388 / Last updated on: 1994-12-02
Original language: en
Available languages: en