SIZE CHANGES OF LATTICE-PARAMETERS IN SMALL PARTICLES OF PLATINUM, PALLADIUM AND NICKEL

被引：0
|
作者：
GAMARNIK, MY [1 ]
机构：
[1] KIEV ACAD SCI,INST GEOCHEM & PHYS MINERALS,KIEV 252680,UKRAINE
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 1993年 / 7卷 / 1-3期
关键词：
D O I：
10.1142/S0217979293001190
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The character and nature of the structural size effect in Pt, Pd and Ni are investigated experimentally and theoretically. By precise X-ray determinations a decrease of lattice parameters for Pt and an increase of those for Pd and Ni are established in highly dispersed powders. The effects are explained by an excess (intracrystalline) pressure (positive or negative) in a small particle, stipulated by electrostatic interaction between elements of crystal charge lattice.
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页码：564 / 567
页数：4
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