An Electron Diffraction and Crystal Chemical Investigation of Oxygen/Fluorine Ordering in Rutile-Type Iron Oxyfluoride, FeOF

2000 ◽  
Vol 155 (2) ◽  
pp. 359-365 ◽  
Author(s):  
Frank J. Brink ◽  
Ray L. Withers ◽  
John G. Thompson
Keyword(s):  
Electron Diffraction ◽  
Chemical Investigation ◽  
Crystal Chemical ◽  
Oxygen Fluorine

Cordylite-(Ce); a crystal chemical investigation of material from four localities, including type material

1998 ◽  
Vol 83 (1-2) ◽  
pp. 178-184 ◽  
Author(s):  
Gerald Giester ◽  
Yunxiang Ni ◽  
Dietmar Jarosch ◽  
John M. Hughes ◽  
Jorn G. Ronsbo ◽  
...  
Keyword(s):  
Chemical Investigation ◽  
Type Material ◽  
Crystal Chemical

A crystal-chemical investigation of Cr substitution in muscovite by XANES spectroscopy

2003 ◽  
Vol 30 (1) ◽  
pp. 54-58 ◽  
Author(s):  
A. Cardelli ◽  
G. Cibin ◽  
M. Benfatto ◽  
S. Della Longa ◽  
M. F. Brigatti ◽  
...  
Keyword(s):  
Chemical Investigation ◽  
Xanes Spectroscopy ◽  
Crystal Chemical ◽  
Cr Substitution

Crystal Chemical Constraints on the Formation of Actinide Pyrochlores

1984 ◽  
Vol 44 ◽  
Author(s):  
Bryan C. Chakoumakos ◽  
Rodney C. Ewing
Keyword(s):  
Electron Diffraction ◽  
Pyrochlore Structure ◽  
Type A ◽  
Structure Type ◽  
Crystal Chemical ◽  
Waste Forms ◽  
Naturally Occurring

AbstractThe pyrochlore structure type, A1−2 B2 O6Y0−1 Fd3m Z=8, is a common constituent of polyphase, crystalline waste forms. Naturally occurring minerals with the same structure often occur in the radiation damaged, electron-diffraction amorphous, “metamict” state; and therefore, a principal concern with phases of this structure type is the effect of alpha-recoil damage associated with the presence of actinides. In this paper we outline crystal chemical constraints on the formation of novel actinide pyrochlores.

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