AFM OBSERVATION OF KAOLINITE SURFACE USING “PRESSED” POWDER

Molecularly-resolved surface images of both octahedral and tetrahedral sheets of kaolinite have been obtained by atomic force microscope (AFM) observation of pressed kaolinite powder in air. Tetrahedral-sheet images were frequently observed with molecular-scale resolution. Another type of reproducib...

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Bibliographic Details
Published inClay Science Vol. 9; no. 5; pp. 311 - 316
Main Authors KUMAI, KOICHI, TSUCHIYA, KATSUNORI, NAKATO, TERUYUKI, SUGAHARA, YOSHIYUKI, KURODA, KAZUYUKI
Format Journal Article
LanguageEnglish
Published Tokyo The Clay Science Society of Japan 1995
Clay Science Society of Japan
Subjects
Atomic force microscopy
Earth sciences
Earth, ocean, space
Exact sciences and technology
Kaolinite
Mineralogy
Octahedral sheet
Powder
Silicates
Tetrahedral sheet
atomic packing
hydroxyl ion
kaolinite
microscope methods
crystal structure
clay minerals
sheet silicates
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Summary:Molecularly-resolved surface images of both octahedral and tetrahedral sheets of kaolinite have been obtained by atomic force microscope (AFM) observation of pressed kaolinite powder in air. Tetrahedral-sheet images were frequently observed with molecular-scale resolution. Another type of reproducible images with 0.3-nm spacing was also obtained and interpreted as a sheet of hydroxyl groups on the octahedral sheet.
ISSN:0009-8574
2186-3555
DOI:10.11362/jcssjclayscience1960.9.311