Lattice expansion of nanoscale compound particles

Mikio Fukuhara

doi:10.1016/S0375-9601(03)00793-X

Lattice expansion of nanoscale compound particles

Mikio Fukuhara

New Industry Creation Hatchery Center (NICHe)

Research output: Contribution to journal › Article › peer-review

60 Citations (Scopus)

Abstract

The lattice expansion of unit cell in three kinds of nanoscale compound particles, MgO, α-Fe₂O₃ and TiC was calculated as a function of particle size, by means of the Thomas-Fermi statistical method. The calculated curves agree surprisingly well with experimental data. Both curves increase parabolic as the particle size decreases. Hence we can visualize a physical picture of neutralization of screened effect coming from decrease in binding electron ratio for nanoscale compound particles.

Original language	English
Pages (from-to)	427-430
Number of pages	4
Journal	Physics Letters, Section A: General, Atomic and Solid State Physics
Volume	313
Issue number	5-6
DOIs	https://doi.org/10.1016/S0375-9601(03)00793-X
Publication status	Published - 2003 Jul 14

Keywords

Electron screening
Lattice expansion
Nonoscale compound particles

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1016/S0375-9601(03)00793-X

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abstract = "The lattice expansion of unit cell in three kinds of nanoscale compound particles, MgO, α-Fe2O3 and TiC was calculated as a function of particle size, by means of the Thomas-Fermi statistical method. The calculated curves agree surprisingly well with experimental data. Both curves increase parabolic as the particle size decreases. Hence we can visualize a physical picture of neutralization of screened effect coming from decrease in binding electron ratio for nanoscale compound particles.",

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AB - The lattice expansion of unit cell in three kinds of nanoscale compound particles, MgO, α-Fe2O3 and TiC was calculated as a function of particle size, by means of the Thomas-Fermi statistical method. The calculated curves agree surprisingly well with experimental data. Both curves increase parabolic as the particle size decreases. Hence we can visualize a physical picture of neutralization of screened effect coming from decrease in binding electron ratio for nanoscale compound particles.

KW - Electron screening

KW - Lattice expansion

KW - Nonoscale compound particles

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JF - Physics Letters, Section A: General, Atomic and Solid State Physics

IS - 5-6

ER -

Lattice expansion of nanoscale compound particles

Abstract

Keywords

ASJC Scopus subject areas

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