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Titolo:
Chemical composition of structures obtained inside quartz crystals by sodium electrodiffusion
Autore:
Iliescu, B; Enculescu, I; Pera, I; Alexe, G; Polosan, S; Stanculescu, A;
Indirizzi:
Natl Inst Mat Phys, Bucharest 76900, Magurele, Romania Natl Inst Mat PhysBucharest Magurele Romania 76900 00, Magurele, Romania
Titolo Testata:
CRYSTAL RESEARCH AND TECHNOLOGY
fascicolo: 4-5, volume: 36, anno: 2001,
pagine: 403 - 410
SICI:
0232-1300(2001)36:4-5<403:CCOSOI>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
CONDUCTIVITY;
Keywords:
sweeping; quartz; metal electrodiffusion; ionic conductivity; silicates;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Iliescu, B Natl Inst Mat Phys, POB MG 7, Bucharest 76900, Magurele, Romania Natl Inst Mat Phys POB MG 7 Bucharest Magurele Romania 76900 ia
Citazione:
B. Iliescu et al., "Chemical composition of structures obtained inside quartz crystals by sodium electrodiffusion", CRYST RES T, 36(4-5), 2001, pp. 403-410

Abstract

Dendritic structures were grown inside quartz crystals by electrodiffusionof sodium ions from a NaCl layer at the anode. An experimental arrangementusing a point cathode and a graphite plate anode was employed. X-ray diffraction experiments were carried out, the structures chemical composition was found to be a mixture of sodium silicates. The chemical composition evolution in time was observed. There were made VIS and UV optical absorption spectroscopy measurements of these structures, a colloidal band being found. Thermoluminescence glow curves were measured. Based on the experimental results and observations a growth model is proposed.

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Documento generato il 18/11/17 alle ore 03:44:56