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xiaogounihao(½ð±Ò+1):лл 2010-02-20 20:50
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wsm7076

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Originally posted by 4IeeeTrans at 2010-02-20 10:12:23:

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stoutgun

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Originally posted by 4IeeeTrans at 2010-02-20 10:12:23:

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danshw

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chenn_victor

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Accession number:  20103113112869

Title:  High resolution electron microscopy: A powerful tool to characterize nanotubes

Authors:  Ruiz-Gonz¨¢lez, M.L.1 ; Gonz¨¢lez-Calbet, J.M.1  

Author affiliation:  1  Departamento de Qu¨ªmica Inorg¨¢nica, Facultad de Qu¨ªmicas, Universidad Complutense, 28040-Madrid, Spain


Corresponding author:  Ruiz-Gonz¨¢lez, M. L.

Source title:  Key Engineering Materials

Abbreviated source title:  Key Eng Mat

Volume:  441

Monograph title:  Advanced Bioceramics in Nanomedicine and Tissue Engineering

Issue date:  2010

Publication year:  2010

Pages:  95-119

Language:  English

ISSN:  10139826

CODEN:  KEMAEY

ISBN-10:  0878492704

ISBN-13:  9780878492701

Document type:  Conference article (CA)

Publisher:  Trans Tech Publications Ltd, Laubisrutistr.24, Stafa-Zuerich, CH-8712, Switzerland

Abstract:  The atomic resolution of an electron microscope in terms of both image and analysis requires an electron probe/beam smaller than an atom in size yet intense enough to provide a sufficiently strong signal to perform rapid EELS spectrum acquisition. The correction of the spherical aberration of the objective lens can be dealt with an electromagnetic hexapole system. When employing a negative CS value combined with a certain overfocus setting, not only a substantial contrast improvement is achieved but low-nuclear charge elements can also be imaged at bright atom contrast features in the vicinity of high-nuclear charge atoms. Besides the synthesis of tubular structures from 2D compounds a growing interest to obtain nanotubes of 3D compounds has been displayed in the last years. The evolution of microcopy has been parallel to the new discoveries in material science prompted by the need of going deeper on the solid behavior.

Abstract type:  (Edited Abstract)

Number of references:  58

Main heading:  High resolution electron microscopy

Controlled terms:  Atomic spectroscopy  -  Atoms  -  Bioceramics  -  Electron energy loss spectroscopy  -  Medical nanotechnology  -  Nanotubes  -  Scanning electron microscopy  -  Tissue engineering  -  Tubular steel structures

Uncontrolled terms:  Atomic resolution  -  EELS spectra  -  Hexapole  -  Material science  -  Nuclear charges  -  Objective lens  -  Spherical aberrations  -  Strong signal  -  Tubular structures

Classification code:  933.1 Crystalline Solids  -  933 Solid State Physics  -  932.2 Nuclear Physics  -  931.3 Atomic and Molecular Physics  -  931.2 Physical Properties of Gases, Liquids and Solids  -  812.1 Ceramics  -  801 Chemistry  -  761 Nanotechnology  -  741.1 Light/Optics  -  545.3 Steel  -  462.5 Biomaterials (including synthetics)  -  461.1 Biomedical Engineering  -  408.2 Structural Members and Shapes

DOI:  10.4028/www.scientific.net/KEM.441.95

Database:  Compendex

   Compilation and indexing terms, © 2009 Elsevier Inc.
ÒýÓûØÌû:
Originally posted by nagtive at 2010-02-10 14:09:13:
KEY ENGINEERING MATERIALS ȷʵÊÇCAÊÕ¼µÄ
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[ Last edited by nagtive on 2010-2-10 at 22:55 ]

19Â¥2010-08-16 16:50:49
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liahsea

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Key Engineering Materials
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20Â¥2010-08-16 20:31:42
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