Comment on "Scaling behavior of one-dimensional Pt chains migration on Pt(110)-(1x2) surface" [Phys. Lett. A 268 (2000) 413]

被引：0
|
作者：
Montalenti, F
Ferrando, R
机构：
[1] Univ Genoa, Dipartimento Fis, INFM, I-16146 Genoa, Italy
[2] Univ Genoa, Dipartimento Fis, CNR, CFSBT, I-16146 Genoa, Italy
[3] Univ Calif Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA
来源：
PHYSICS LETTERS A | 2000年 / 277卷 / 03期
关键词：
scaling relation; one-dimensional Pt chains; leapfrog diffusion mechanism; cluster displacement rate;
D O I：
10.1016/S0375-9601(00)00707-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We show that the recently proposed scaling laws [see G. Zhuang, W. Wang, Phys. Lett. A 268 (2000) 413] for chain diffusion on missing-row Pt(110) have no real meaning, since they cannot be extended outside the narrow chain-length range which has been considered by Zhuang and Wang. The only asymptotic scaling law gives a chain mobility which is inversely proportional to the chain length; however this asymptotic scaling behaviour is not physically important due to the occurrence of multiple upward promotions for long chains. (C) 2000 Elsevier Science B.V. All rights reserved.
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页码：185 / 187
页数：3
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