Epitaxy in the crystallization of feldspar gels and glasses

Chunling Liu, Sridhar Komarneni, Rustum Roy

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

The crystallization behaviors of stoichiometric feldspar gels and glasses before and after seeding have been compared, and the role of epitaxy in their crystallization upon seeding has been studied. The crystallization products were mainly determined by X-ray diffraction (XRD) analysis and epitaxy upon seeding was examined with a scanning electron microscope (SEM), and energy dispersive spectrometry (EDS). It was found that upon isostructural seeding, Na- and K-feldspars crystallized epitaxially from their gels and/or glasses. Little or no seeding effect was found in CaAl2Si2O8 and SrAl2Si2O8 gels and glasses. Isostructural seeding in BaAl2Si2O8 gels increased the formation of Ba-feldspar (monoclinic celsian) epitaxially, whereas without seeding hexacelsian was the crystallization product.

Original languageEnglish (US)
Pages (from-to)721-726
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume346
StatePublished - Dec 1 1994
EventProceedings of the 1994 MRS Spring Meeting - San Francisco, CA, USA
Duration: Apr 5 1994Apr 8 1994

Fingerprint

Feldspar
inoculation
Crystallization
Epitaxial growth
epitaxy
Gels
gels
crystallization
Glass
glass
X ray diffraction analysis
Spectrometry
Electron microscopes
feldspars
Scanning
products
feldspar
electron microscopes
electron energy
scanning

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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abstract = "The crystallization behaviors of stoichiometric feldspar gels and glasses before and after seeding have been compared, and the role of epitaxy in their crystallization upon seeding has been studied. The crystallization products were mainly determined by X-ray diffraction (XRD) analysis and epitaxy upon seeding was examined with a scanning electron microscope (SEM), and energy dispersive spectrometry (EDS). It was found that upon isostructural seeding, Na- and K-feldspars crystallized epitaxially from their gels and/or glasses. Little or no seeding effect was found in CaAl2Si2O8 and SrAl2Si2O8 gels and glasses. Isostructural seeding in BaAl2Si2O8 gels increased the formation of Ba-feldspar (monoclinic celsian) epitaxially, whereas without seeding hexacelsian was the crystallization product.",
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Epitaxy in the crystallization of feldspar gels and glasses. / Liu, Chunling; Komarneni, Sridhar; Roy, Rustum.

In: Materials Research Society Symposium - Proceedings, Vol. 346, 01.12.1994, p. 721-726.

Research output: Contribution to journalConference article

TY - JOUR

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AU - Komarneni, Sridhar

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N2 - The crystallization behaviors of stoichiometric feldspar gels and glasses before and after seeding have been compared, and the role of epitaxy in their crystallization upon seeding has been studied. The crystallization products were mainly determined by X-ray diffraction (XRD) analysis and epitaxy upon seeding was examined with a scanning electron microscope (SEM), and energy dispersive spectrometry (EDS). It was found that upon isostructural seeding, Na- and K-feldspars crystallized epitaxially from their gels and/or glasses. Little or no seeding effect was found in CaAl2Si2O8 and SrAl2Si2O8 gels and glasses. Isostructural seeding in BaAl2Si2O8 gels increased the formation of Ba-feldspar (monoclinic celsian) epitaxially, whereas without seeding hexacelsian was the crystallization product.

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