The Jahn-Teller effect in Cu(II) doped MgO

Dick, Andrew, Krausz, Elmars R., Hadler, Kieran S., Noble, Christopher J., Tregenna-Piggott, Phillip L. W. and Riley, Mark J. (2008) The Jahn-Teller effect in Cu(II) doped MgO. Journal of physical chemistry. C, 112 37: 14555-14562. doi:10.1021/jp803722s


Author Dick, Andrew
Krausz, Elmars R.
Hadler, Kieran S.
Noble, Christopher J.
Tregenna-Piggott, Phillip L. W.
Riley, Mark J.
Title The Jahn-Teller effect in Cu(II) doped MgO
Journal name Journal of physical chemistry. C   Check publisher's open access policy
ISSN 1932-7447
Publication date 2008-09-18
Year available 2008
Sub-type Article (original research)
DOI 10.1021/jp803722s
Volume 112
Issue 37
Start page 14555
End page 14562
Total pages 8
Place of publication Washington , D.C.
Publisher American Chemical Society
Collection year 2009
Language eng
Subject C1
030299 Inorganic Chemistry not elsewhere classified
970103 Expanding Knowledge in the Chemical Sciences
Formatted abstract


The Cu(II) doped MgO system is known to display features indicating behavior intermediate between static and dynamic Jahn−Teller effects at low temperature. The system is interesting as there is a low barrier between equivalent Jahn−Teller distortions in the cubic host lattice. In order to study the geometry of the Cu(II) ion in this system, we have recorded the low temperature magnetic circular dichroism (MCD) and X-ray absorption fine structure (XAFS) spectra. The spectra have been interpreted in terms of the Cu(II) centers distorting the host lattice such that the CuO6 center is a tetragonally elongated octahedron.
Keyword 6-COORDINATE COPPER(II)
MAGNESIUM-OXIDE
ABSORPTION
SPECTRA
ION
MODEL
EPR
CAO
INTERMEDIATE
SPECTROSCOPY
Q-Index Code C1
Q-Index Status Confirmed Code
Additional Notes Publication Date (Web): August 20, 2008

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2009 Higher Education Research Data Collection
School of Chemistry and Molecular Biosciences
 
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Created: Wed, 18 Mar 2009, 16:48:06 EST by Jennifer Falknau on behalf of School of Chemistry & Molecular Biosciences