X-Ray Diffraction Study of Fine Gold Particles Prepared by Gas Evaporation Technique. I. General Feature

Harada, Jimpei; Yao, Satoshi; Ichimiya, Ayahiko

doi:10.1143/jpsj.48.1625

Cited by 37 publications

(13 citation statements)

References 9 publications

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“…B S may be expected to be less temperature dependent than B T and in principle, the contribution of the static disorder B S can be subtracted from the experimental data by analyzing its temperature dependence. This problem has been examined in detail for powders of nanocrystalline gold [22][23][24] where the contribution of the static disorder was evaluated from the low-temperature measurements. For our data elaboration, we assumed that the contribution from the static disorder to the experimentally determined B T is very little, therefor we take B = B T .…”

Section: Thermal Vibrations: Overall Thermal Parameter B Tmentioning

confidence: 99%

“…The scattering amplitude decreases with an increase in the diffraction vector both for atomic and structural scattering amplitudes. The B T values can be determined experimentally from a dependence of the relative intensity of Bragg reflections on the scattering angle θ using the formula (2) given by Wilson [21][22][23][24]:…”

Section: Thermal Vibrations: Overall Thermal Parameter B Tmentioning

confidence: 99%

See 1 more Smart Citation

X-ray diffraction studies of thermal properties of the core and surface shell of isolated and sintered SiC nanocrystals

Stelmakh¹,

Gierlotka²,

Grzanka³

et al. 2004

Journal of Alloys and Compounds

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Section: Thermal Vibrations: Overall Thermal Parameter B Tmentioning

confidence: 99%

Section: Thermal Vibrations: Overall Thermal Parameter B Tmentioning

confidence: 99%

X-ray diffraction studies of thermal properties of the core and surface shell of isolated and sintered SiC nanocrystals

Stelmakh¹,

Gierlotka²,

Grzanka³

et al. 2004

Journal of Alloys and Compounds

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“…[47] and Harada et al [48]. The authors both concluded that the lattice constant of GNCs was independent of the size, probably because they used GNCs larger than 40 Å.…”

Section: Resultsmentioning

confidence: 99%

Size dependent lattice constant change of thiol self-assembled monolayer modified Au nanoclusters studied by grazing incidence x-ray diffraction

Kondo

Masuda

Harada

et al. 2016

Electrochemistry Communications

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Size and lattice constant of thiol self-assembled monolayer (SAM)-modified gold nanoclusters (GNCs) assembled on Au(111) surfaces after each electrochemical treatment were investigated using grazing incidence x-ray diffraction (GIXRD). When the potential was swept between 0 and 1.3 V (vs.Ag/AgCl), the size and lattice constant of GNCs slightly decreased due to the oxidative desorption of the SAMs. As the number of potential cycles increased, the size of GNCs started to increase due to the aggregation, while the lattice constant continued to decrease due to further desorption of the SAMs from the GNCs. After most of the SAMs were removed from the GNCs, the size and lattice constant monotonically increased with the number of potential cycles. The size dependent lattice constant change was observed when GNCs were smaller than ~35Å.

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“…One of the effects arising from the reduction of cluster size is the change of the lattice parameter [12][13][14][15][16][17][18][19][20][21]. In a number of cases, the direction of parameter changes differs for the particles of the same substance and depends on the conditions of their preparation.…”

Section: Computer Experimentsmentioning

confidence: 99%

“…In a number of cases, the direction of parameter changes differs for the particles of the same substance and depends on the conditions of their preparation. For example, the experimental data on reduction [10,16], increase [11,15,16], and absence of changes [18,19] …”

Section: Computer Experimentsmentioning

confidence: 99%

Study on the Structure and Morphology of Iron Nanopowders Obtained by the Method of Electric Explosion of Wires

Partizan¹,

Mansurov²,

Medyanova

et al. 2016

Eur Chem Tech J

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This article presents the results of comprehensive study on the structure and morphology of iron nanopowders synthesized by electric explosive evaporation of metal wire. The results of scanning and transmission electron microscopy showed that nanoclusters have a spherical shape with an average diameter of 65 nm. It was revealed based on the analysis of the diffraction patterns that nanoparticles of nanopowders obtained in electric explosion have a crystal lattice with a parameter less than a standard cell. The results of computer experiments are in good agreement with the findings of X-ray analysis. However, the question about the reasons of distortion of the crystal lattice of nanoclusters remains controversial.

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X-Ray Diffraction Study of Fine Gold Particles Prepared by Gas Evaporation Technique. I. General Feature

Cited by 37 publications

References 9 publications

X-ray diffraction studies of thermal properties of the core and surface shell of isolated and sintered SiC nanocrystals

X-ray diffraction studies of thermal properties of the core and surface shell of isolated and sintered SiC nanocrystals

Size dependent lattice constant change of thiol self-assembled monolayer modified Au nanoclusters studied by grazing incidence x-ray diffraction

Study on the Structure and Morphology of Iron Nanopowders Obtained by the Method of Electric Explosion of Wires

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