Characterization Methods for Nanostructure of Materials

Satoshi Ohara, Tadafumi Adschiri, Minoru Miyahara, Kenji Kaneko, Akira Ohtomo

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The 20th century was the so-called "age of new material synthesis" as shown in Fig. 5.1.1 (Adschiri, 2002). "Synthesis" of new substances had been essential to attain a new property for materials. However, in the recent R&D of material, keen attention is attracted on controlling material function by the material structure. Nanotechnology is a typical example of this stage of technology. In the control of material structure, "process" is regarded more important than "synthesis." For example, in the nanoparticle production, size and shape of particle significantly depend on the operating conditions of crystallization process. It was found that some semiconductor materials show strong photoluminescence and the wavelength can be controlled with its particle size ("quantum size effect"). With a same wavelength of excitation, a wide range of colors can be obtained by changing the particle size of the nanoparticles of CdSe, CdTe, CdS, etc., the so-called quantum dots (Medintz et al., 2005). Photonic crystal can be produced by self-assembly of nanomaterials (homoassembly) and the control of self-assembly phenomena is a critical issue of process design and operation. In the fabrication of ultraviolet laser (Tang et al., 1998, Kawasaki et al., 1998, Huang et al., 2001) and light-emitting diode (LED) (Tsukazaki et al., 2005) based on ZnO materials, laser molecular beam epitaxy is a powerful process to grow fine ZnO nanocrystals self-assembled and arrayed parallel on substrates. The next stage of the nanotechnology will be "programmed assembly" of nanomaterials because this is a foreseeable future target for the industries of various fields. In the device production by assembling the structured materials, "fabrication" is the key technology. Thus, science and technology for materials is being shifted from "synthesis" toward "processing" and "fabrication.".

Original languageEnglish
Title of host publicationNanoparticle Technology Handbook
PublisherElsevier
Pages255-300
Number of pages46
ISBN (Print)9780444641106
DOIs
Publication statusPublished - May 11 2018

Fingerprint

Nanostructures
Nanotechnology
Nanostructured materials
Fabrication
Self assembly
Particle size
Nanoparticles
Ultraviolet lasers
Wavelength
Crystallization
Photonic crystals
Molecular beam epitaxy
Nanocrystals
Semiconductor quantum dots
Light emitting diodes
Process design
Photoluminescence
Semiconductor materials
Color
Lasers

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Chemical Engineering(all)

Cite this

Ohara, S., Adschiri, T., Miyahara, M., Kaneko, K., & Ohtomo, A. (2018). Characterization Methods for Nanostructure of Materials. In Nanoparticle Technology Handbook (pp. 255-300). Elsevier. https://doi.org/10.1016/B978-0-444-64110-6.00005-6

Characterization Methods for Nanostructure of Materials. / Ohara, Satoshi; Adschiri, Tadafumi; Miyahara, Minoru; Kaneko, Kenji; Ohtomo, Akira.

Nanoparticle Technology Handbook. Elsevier, 2018. p. 255-300.

Research output: Chapter in Book/Report/Conference proceedingChapter

Ohara, S, Adschiri, T, Miyahara, M, Kaneko, K & Ohtomo, A 2018, Characterization Methods for Nanostructure of Materials. in Nanoparticle Technology Handbook. Elsevier, pp. 255-300. https://doi.org/10.1016/B978-0-444-64110-6.00005-6
Ohara S, Adschiri T, Miyahara M, Kaneko K, Ohtomo A. Characterization Methods for Nanostructure of Materials. In Nanoparticle Technology Handbook. Elsevier. 2018. p. 255-300 https://doi.org/10.1016/B978-0-444-64110-6.00005-6
Ohara, Satoshi ; Adschiri, Tadafumi ; Miyahara, Minoru ; Kaneko, Kenji ; Ohtomo, Akira. / Characterization Methods for Nanostructure of Materials. Nanoparticle Technology Handbook. Elsevier, 2018. pp. 255-300
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