Electron Diffraction and HRTEM Structure Analysis of Nanowires

Romeu, D.; Gómez, A.; Reyes‐Gasga, J.

doi:10.5772/18915

Cited by 2 publications

(2 citation statements)

References 13 publications

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“…Therefore, by directly measuring the interplanar distances, one can determine the phase and orientation of the grains, and also estimate their size. For a brief review of SAED and HRTEM applied to nanowires, one can refer to [35].…”

Section: Electron Diffractionmentioning

confidence: 99%

How to Characterize Cylindrical Magnetic Nanowires

Béron¹,

Santos²,

deCarvalho³

et al. 2016

Magnetic Materials

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Cylindrical magnetic nanowires made through the help of nanoporous alumina templates are being fabricated and characterized since the beginning of 2000. They are still actively investigated nowadays, mainly due to their various promising applications, ranging from high-density magnetic recording to high-frequency devices, passing by sensors, and biomedical applications. They also represent suitable systems in order to study the dimensionality effects on a given material. With time, the development in fabrication techniques allowed to increase the obtained nanowire complexity (controlled crystallinity, modulated composition and/or geometry, range of materials, etc.), while the improvements in nanomanipulation permitted to fabricate system based either on arrays or on single nanowires. On the other side, their increased complexity requires specific physical characterization methods, due to their particular features such as high anisotropy, small magnetic volume, dipolar interaction field between them, and interesting electronic properties. The aim of this chapter was to offer an ample overview of the magnetic, electric, and physical characterization techniques that are suitable for cylindrical magnetic nanowire investigation, of what is the specific care that one needs to take into account and which information will be extracted, with typical and varied examples.

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Section: Electron Diffractionmentioning

confidence: 99%

How to Characterize Cylindrical Magnetic Nanowires

Béron¹,

Santos²,

deCarvalho³

et al. 2016

Magnetic Materials

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“…The electron beam was perpendicular to the Dy 2 O 3 (111) plane. Some spots are marked with (hkl) indices [10][11][12].…”

Section: Transmission Electron Microscopymentioning

confidence: 99%

A facile approach to synthesize dysprosium oxide nanoparticles

2014

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In this report, Dy 2 O 3 (dysprosia) nanoparticles were prepared by using the combustion method. The innovative aspect of this method is preparation of dysprosium oxide nanoparticles without applying calcination temperature. To study the effect of the heating and annealing on the structure of dysprosia, three different calcination temperatures, 450, 550, and 650°C were applied on the no-calcined sample. TEM and X-ray diffraction XRD were used for characterization of the samples. Diffraction pattern of samples were achieved by selected area electron diffraction (SAED). XRD patterns show the desired cubic structure for all samples. The results of crystallite sizes, estimated by the broadening of XRD peaks, showed the size of crystallites in the range of 24-28 nm. TEM showed the average size of the particles in the range of 28-41 nm.

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Electron Diffraction and HRTEM Structure Analysis of Nanowires

Cited by 2 publications

References 13 publications

How to Characterize Cylindrical Magnetic Nanowires

How to Characterize Cylindrical Magnetic Nanowires

A facile approach to synthesize dysprosium oxide nanoparticles

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