Jahn-Teller effect in spinel manganites probed by soft x-ray absorption spectroscopy

2006 ◽  
Vol 88 (8) ◽  
pp. 081911 ◽  
Author(s):  
Han-Jin Noh ◽  
S. Yeo ◽  
J.-S. Kang ◽  
C. L. Zhang ◽  
S.-W. Cheong ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Teller Effect ◽  
X Ray ◽  
Jahn Teller ◽  
Jahn Teller Effect ◽  
X Ray Absorption

Jahn-Teller transition ofLiMn2O4studied by x-ray-absorption spectroscopy

1998 ◽  
Vol 58 (1) ◽  
pp. 8-11 ◽  
Author(s):  
Hirotaka Yamaguchi ◽  
Atsuo Yamada ◽  
Hiromoto Uwe
Keyword(s):  
Absorption Spectroscopy ◽  
X Ray ◽  
Teller Transition ◽  
Jahn Teller ◽  
X Ray Absorption

Preparation and Crystal Structure of a New Lithium Vanadium Fluoride Li2VF6 with Trirutile-type Structure

2013 ◽  
Vol 68 (2) ◽  
pp. 121-126 ◽  
Author(s):  
Suliman Nakhal ◽  
Dominik Weber ◽  
Martin Lerch
Keyword(s):  
Crystal Structure ◽  
Lithium Fluoride ◽  
Lattice Parameters ◽  
Type Structure ◽  
Teller Effect ◽  
X Ray Diffraction ◽  
Space Group ◽  
X Ray ◽  
Jahn Teller ◽  
Jahn Teller Effect

A new lithium vanadium fluoride Li2VF6 was prepared by reacting lithium fluoride LiF with vanadium tetrafluoride VF4 in a monel capsule at 500 °C. The crystal structure has been determined by means of powder X-ray diffraction. Trirutile-type dilithium hexafluorovanadate(IV) crystallizes in the tetragonal space group P42/mnmwith lattice parameters a=459.99(1), b=459:99(1), c=896.64(2) pm. The presence of a Jahn-Teller effect is discussed.

Investigation of Jahn–Teller splitting with O 1s x-ray absorption spectroscopy in strained Nd1−xCaxMnO3 thin films

2010 ◽  
Vol 96 (4) ◽  
pp. 041914 ◽  
Author(s):  
Daniel Hsu ◽  
Y. S. Chen ◽  
M. Y. Song ◽  
C. H. Chuang ◽  
Minn-Tsong Lin ◽  
...  
Keyword(s):  
Thin Films ◽  
Absorption Spectroscopy ◽  
X Ray ◽  
Jahn Teller ◽  
X Ray Absorption

Cu and Zn ordering in aurichalcite

1996 ◽  
Vol 60 (403) ◽  
pp. 887-896 ◽  
Author(s):  
J. M. Charnock ◽  
P. F. Schofield ◽  
C. M. B. Henderson ◽  
G. Cressey ◽  
B. A. Cressey
Keyword(s):  
Solid Solution ◽  
Absorption Spectroscopy ◽  
X Ray Diffraction ◽  
Rich Region ◽  
X Ray ◽  
Metal Site ◽  
Trigonal Bipyramidal ◽  
Jahn Teller ◽  
X Ray Absorption ◽  
Cu And Zn

AbstractThe advantages of X-ray absorption spectroscopy have been utilized to assess the Cu and Zn ordering in aurichalcite, (Cu5−xZnx)(OH)6(CO3)2. We have examined one hydrozincite sample and three aurichalcite samples in which the Cu:Zn ratios are in the range 1:3 to 2:3. Copper 2p XAS confirms that there is no monovalent copper in aurichalcite and that in each sample the copper might be distributed across more than one metal site. EXAFS, at the Cu and Zn K-edges, shows that the copper atoms preferentially enter the Jahn-Teller elongated, octahedral (M2) and trigonal bipyramidal (M4) sites, with the zinc atoms entering the more regular octahedral (M1) and tetrahedral (M3) site. Substantial solid solution towards the zinc rich region is facilitated by the substitution of copper by zinc on the M2 and M4 sites. This information, not easily obtained by X-ray diffraction, substantially enhances the understanding of the structure of aurichalcite.

Über Oxocuprate, XIV Zur Kristallchemie von Sr2Cu3O4Cl2.

1976 ◽  
Vol 31 (4) ◽  
pp. 405-407 ◽  
Author(s):  
Bernd Grande ◽  
Hanskarl Müller-Buschbaum
Keyword(s):  
Single Crystal ◽  
Teller Effect ◽  
Space Group ◽  
X Ray ◽  
Jahn Teller ◽  
Jahn Teller Effect ◽  
Group D ◽  
Octahedral Distortion

The new compound Sr2Cu3O4Cl3 was prepared in melts of SrCl2. A single crystal X-ray examination (a = 546.2, c =1259.1 pm, space group D174h-I 4/mmm) shows that the octahedral distortion of the [Cu3O4Cl2]4--network cannot be explained only by the JAHN-TELLER effect.

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