An XPS Study on the Interaction at the Fe3O4/SiO2 Boundary on the Surface of Composite Microspheres Prepared via a Shear- Compressive Mechanical Route [Translated]†

Composite microspheres of polystyrene or silica coated with a double layer of Fe3O4/SiO2 were prepared via mechanical routes using a shear – compressing type machine, specially designed for the purpose of surface coating. The binding energy of...

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Main Authors: Isao Saito, Mamoru Senna
Format: Article
Language:English
Published: Hosokawa Powder Technology Foundation 2014-05-01
Series:KONA Powder and Particle Journal
Online Access:https://www.jstage.jst.go.jp/article/kona/13/0/13_1995022/_pdf/-char/en
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author Isao Saito
Mamoru Senna
author_facet Isao Saito
Mamoru Senna
author_sort Isao Saito
collection DOAJ
description Composite microspheres of polystyrene or silica coated with a double layer of Fe3O4/SiO2 were prepared via mechanical routes using a shear – compressing type machine, specially designed for the purpose of surface coating. The binding energy of Fe2p3/2 measured by XPS increased, while that of Si2p decreased after composite formation. These synchronized shifts increased with increasing intensity of mechanical stress. After heat treatments, chemical interaction during mechanical treatment at the Fe3O4/SiO2 interlayer in a composite particle was verified. The fine structure of the interlayer boundary was also examined in detail by electron microscopy.† This report was originally printed in J. Soc. Powder Technology, Japan. 31(1), 18-24 (1994) in Japanese, before being translated into English by KONA Editorial Committee with the permission of the editorial committee of the Soc. Powder Technology, Japan.
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spelling doaj.art-bd93742fd821438290ebfbd4fd2c56e22022-12-21T22:21:57ZengHosokawa Powder Technology FoundationKONA Powder and Particle Journal0288-45342187-55372014-05-0113017718310.14356/kona.1995022konaAn XPS Study on the Interaction at the Fe3O4/SiO2 Boundary on the Surface of Composite Microspheres Prepared via a Shear- Compressive Mechanical Route [Translated]†Isao Saito0Mamoru Senna1Faculty of Science and Technology, Keio UniversityFaculty of Science and Technology, Keio UniversityComposite microspheres of polystyrene or silica coated with a double layer of Fe3O4/SiO2 were prepared via mechanical routes using a shear – compressing type machine, specially designed for the purpose of surface coating. The binding energy of Fe2p3/2 measured by XPS increased, while that of Si2p decreased after composite formation. These synchronized shifts increased with increasing intensity of mechanical stress. After heat treatments, chemical interaction during mechanical treatment at the Fe3O4/SiO2 interlayer in a composite particle was verified. The fine structure of the interlayer boundary was also examined in detail by electron microscopy.† This report was originally printed in J. Soc. Powder Technology, Japan. 31(1), 18-24 (1994) in Japanese, before being translated into English by KONA Editorial Committee with the permission of the editorial committee of the Soc. Powder Technology, Japan.https://www.jstage.jst.go.jp/article/kona/13/0/13_1995022/_pdf/-char/en
spellingShingle Isao Saito
Mamoru Senna
An XPS Study on the Interaction at the Fe3O4/SiO2 Boundary on the Surface of Composite Microspheres Prepared via a Shear- Compressive Mechanical Route [Translated]†
KONA Powder and Particle Journal
title An XPS Study on the Interaction at the Fe3O4/SiO2 Boundary on the Surface of Composite Microspheres Prepared via a Shear- Compressive Mechanical Route [Translated]†
title_full An XPS Study on the Interaction at the Fe3O4/SiO2 Boundary on the Surface of Composite Microspheres Prepared via a Shear- Compressive Mechanical Route [Translated]†
title_fullStr An XPS Study on the Interaction at the Fe3O4/SiO2 Boundary on the Surface of Composite Microspheres Prepared via a Shear- Compressive Mechanical Route [Translated]†
title_full_unstemmed An XPS Study on the Interaction at the Fe3O4/SiO2 Boundary on the Surface of Composite Microspheres Prepared via a Shear- Compressive Mechanical Route [Translated]†
title_short An XPS Study on the Interaction at the Fe3O4/SiO2 Boundary on the Surface of Composite Microspheres Prepared via a Shear- Compressive Mechanical Route [Translated]†
title_sort xps study on the interaction at the fe3o4 sio2 boundary on the surface of composite microspheres prepared via a shear compressive mechanical route translated †
url https://www.jstage.jst.go.jp/article/kona/13/0/13_1995022/_pdf/-char/en
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