Toward volatile metal complexes of rutherfordium - results of testexeriments with Zr and Hf

PDF Version Also Available for Download.

Description

The chemical investigation of the transactinide elements (TAN, Z {ge}104) is a topic of great interest in recent nuclear chemistry research. The highly charged nucleus accelerates the innermost electrons to relativistic velocities thus causing contraction of spherical (s, p{sub 1/2}) orbitals and expansion of the others (p{sub 3/2}, d, and f), which directly affects the chemical behavior of these elements. Deviations from trends established in the periodic table may therefore occur due to these so-called relativistic effects [1,2]. In gas phase experiments, mostly volatile inorganic compounds (e.g., halides or oxides) of TAN were investigated. We refer to [3] for a ... continued below

Creation Information

Dullmann, Ch.E.; Pang, G.K.; Folden III, C.M.; Gregorich, K.E.; Hoffman, D.C.; Nitsche, H. et al. February 12, 2004.

Context

This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

Who

People and organizations associated with either the creation of this article or its content.

Provided By

UNT Libraries Government Documents Department

Serving as both a federal and a state depository library, the UNT Libraries Government Documents Department maintains millions of items in a variety of formats. The department is a member of the FDLP Content Partnerships Program and an Affiliated Archive of the National Archives.

Contact Us

What

Descriptive information to help identify this article. Follow the links below to find similar items on the Digital Library.

Description

The chemical investigation of the transactinide elements (TAN, Z {ge}104) is a topic of great interest in recent nuclear chemistry research. The highly charged nucleus accelerates the innermost electrons to relativistic velocities thus causing contraction of spherical (s, p{sub 1/2}) orbitals and expansion of the others (p{sub 3/2}, d, and f), which directly affects the chemical behavior of these elements. Deviations from trends established in the periodic table may therefore occur due to these so-called relativistic effects [1,2]. In gas phase experiments, mostly volatile inorganic compounds (e.g., halides or oxides) of TAN were investigated. We refer to [3] for a recent review. For reasons such as low production cross-sections or short half-lives, but also technical challenges, more sophisticated chemical studies have not yet been possible. One restriction in present TAN research is the plasma behind the target caused by the intense heavy ion beam. ''Weak'' molecules (e.g., organic ligands) are immediately destroyed, thus limiting the possibilities of synthesizing chemical compounds directly behind the target to ''simple'' and robust inorganic compounds. It is highly desirable to expand the knowledge on the chemical behavior of the TAN to other compound classes, e.g., volatile metal complexes. The use of the Berkeley Gas-filled Separator (BGS) [4] as a physical preseparator makes such studies possible by separating the beam from the desired TAN isotopes.

Source

  • 6th International Conference on Nuclear andRadiochemistry, NRC 6, Aachen, Germany, August 29 - September 3,2004

Language

Item Type

Identifier

Unique identifying numbers for this article in the Digital Library or other systems.

  • Report No.: LBNL--54595-Ext.-Abs.
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 900641
  • Archival Resource Key: ark:/67531/metadc884949

Collections

This article is part of the following collection of related materials.

Office of Scientific & Technical Information Technical Reports

What responsibilities do I have when using this article?

When

Dates and time periods associated with this article.

Creation Date

  • February 12, 2004

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

Description Last Updated

  • Sept. 29, 2016, 7:15 p.m.

Usage Statistics

When was this article last used?

Congratulations! It looks like you are the first person to view this item online.

Interact With This Article

Here are some suggestions for what to do next.

Start Reading

PDF Version Also Available for Download.

Citations, Rights, Re-Use

Dullmann, Ch.E.; Pang, G.K.; Folden III, C.M.; Gregorich, K.E.; Hoffman, D.C.; Nitsche, H. et al. Toward volatile metal complexes of rutherfordium - results of testexeriments with Zr and Hf, article, February 12, 2004; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc884949/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.