Russian Mineralogical Society
RMS Annual Session "Ontogeny of minerals applied to scientific and industrial uses (to the 100 year anniversary of Prof. Dmitry Grigoriev)"
Atomic structure of vitreous SiO2 and As2S3

RMS-DPI code:  2009-1-57-0
Scientific session:  2. Modern analytical methods used for studies of mineral formation processes.
Author listing:  Aleynikova K.B., Zinchenko E.N., Likhach N.I.
Principal author:  Aleynikova Ksenia Borisovna
Language:  Russian
Abstract - Summary 
(short description):
The X-ray scattering intensity curves for vitreous SiO2 and As2S3 are experimentally measured using soft (Cu) and hard (Mo, Ag) X rays. The inclusion of all the specific features revealed in the experimental scattering intensity curves makes it possible to obtain the experimental atomic radial distribution functions (ARDFs) with the ordering range up to ~ 1 nm. The experimental ARDFs are interpreted in the framework of the fragmentary model. The structure of vitreous SiO2 involves fragments of the crystals β-quartz and β-tridymite. Corrugated layers inherent in crystalline orpiment are retained in the As2S3 glass structure. The layers are joined together through the As4S5 molecular clusters.
 
RMS-DPI code:  2009-1-57-0
Proceeedings volume 
in the RMS catalogue:
 
Ontogeny of minerals applied to scientific and industrial uses (to the 100 year anniversary of Prof. Dmitry Grigoriev)
Pages:  168-169
File of proceedings 
(PDF): 
 330 K
Status:  printed
Recieved:  09/06/2009
Accepted:  26/07/2009
Published on-line:  15/10/2009
Permanent address of publication:  http://www.minsoc.ru/2009-1-57-0/
Contact author(s):  Aleynikova, Ksenia Borisovna

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