Controlled growth of single-crystalline metal nanowires via thermomigration across a nanoscale junction
Controlled growth of single-crystalline metal nanowires via thermomigration across a nanoscale junction
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通过跨纳米级结的热迁移控制单晶金属纳米线的生长
DOI:
10.1038/s41467-019-12416-x
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发表时间:
2019-10
影响因子:
16.6
通讯作者:
Shan Zhi-Wei
中科院分区:
文献类型:
--
作者:
Xie De-Gang;Nie Zhi-Yu;Shinzato Shuhei;Yang Yue-Qing;Liu Feng-Xian;Ogata Shigenobu;Li Ju;Ma Evan;Shan Zhi-Wei
Mass transport driven by temperature gradient is commonly seen in fluids. However, here we demonstrate that when drawing a cold nano-tip off a hot solid substrate, thermomigration can be so rampant that it can be exploited for producing single-crystalline aluminum, copper, silver and tin nanowires. This demonstrates that in nanoscale objects, solids can mimic liquids in rapid morphological changes, by virtue of fast surface diffusion across short distances. During uniform growth, a thin neck-shaped ligament containing a grain boundary (GB) usually forms between the hot and the cold ends, sustaining an extremely high temperature gradient that should have driven even larger mass flux, if not counteracted by the relative sluggishness of plating into the GB and the resulting back stress. This GB-containing ligament is quite robust and can adapt to varying drawing directions and velocities, imparting good controllability to the nanowire growth in a manner akin to Czochralski crystal growth.
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DOI:
10.1515/zpch-1918-9212
发表时间:
1918-11
期刊:
Zeitschrift für Physikalische Chemie
影响因子:
--
作者:
J. Czochralski
通讯作者:
J. Czochralski
影响因子:
2.1
作者:
C. Tan;A. Roy
通讯作者:
C. Tan;A. Roy
影响因子:
64.8
作者:
C. C. Tanner-C.
通讯作者:
C. C. Tanner-C.
影响因子:
1.3
作者:
PhD SI Marta Verginella;PhD Peter Vodopivec;PhD Marija Wakounig;Javier Á. Domingo;Luigi Finocchietti
通讯作者:
PhD SI Marta Verginella;PhD Peter Vodopivec;PhD Marija Wakounig;Javier Á. Domingo;Luigi Finocchietti
影响因子:
56.9
作者:
Hong, BH;Bae, SC;Kim, KS
通讯作者:
Kim, KS