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Time evolution of a sol–gel process monitored by Mn2+ EPR spectroscopy

✍ Scribed by M. Mazur; M. Kleinova; J. Moncol; P. Stachova; M. Valko; J. Telser

Book ID
116669629
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
236 KB
Volume
352
Category
Article
ISSN
0022-3093

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Mn2+ EPR investigation of sol-gel proces
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✍ Sushil K Misra; Milan Mazúr; Peter Pelikán; Hana Hulínová; Marek Liška 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 296 KB

The EPR spectrum of the Mn 2+ ion has been used as a diagnostic tool at liquid-nitrogen temperature (77K) to investigate the structural evolution of SiO2 xerogels as a function of temperature during their calcination, as.well as during subsequent aging. The positions of the Mn 2 ÷ hyperfine lines we