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@ARTICLE{Zhao:872559,
author = {Zhao, Lan-Tian and Liu, Mingshan and Ren, Qing-Hua and Liu,
Chen-He and Liu, Qiang and Chen, Ling-Li and Spiegel, Yohann
and Torregrosa, Frank and Yu, Wenjie and Zhao, Qing-Tai},
title = {{P}hase evolution of ultra-thin {N}i silicide films on {CF}
4 plasma immersion ion implanted {S}i},
journal = {Nanotechnology},
volume = {31},
number = {20},
issn = {0957-4484},
address = {Bristol},
publisher = {IOP Publ.},
reportid = {FZJ-2020-00065},
pages = {205201 -},
year = {2020},
abstract = {We present a systematic study on the effects of CF4 plasma
immersion ion implantation (PIII) in Si on the phase
evolution of ultra-thin Ni silicides. For 3 nm Ni, NiSi2 was
formed on Si substrates with and without CF4 PIII at
temperature as low as 400 °C. For 6 nm Ni, NiSi was formed
on pure Si, while epitaxial NiSi2 was obtained on CF4 PIII
Si. The incorporation of C and F atoms in the thin epitaxial
NiSi2 significantly reduces the layer resistivity.
Increasing the Ni thickness to 8 nm results in the formation
of NiSi, where the thermal stability of NiSi, the NiSi/Si
interface and Schottky contacts are significantly improved
with CF4 PIII. We suggest that the interface energy is
lowered by the F and C dopants present in the layer and at
the interface, leading to phase evolution of the thin Ni
silicide.},
cin = {PGI-9},
ddc = {530},
cid = {I:(DE-Juel1)PGI-9-20110106},
pnm = {521 - Controlling Electron Charge-Based Phenomena
(POF3-521)},
pid = {G:(DE-HGF)POF3-521},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:31952059},
UT = {WOS:000518668500001},
doi = {10.1088/1361-6528/ab6d21},
url = {https://juser.fz-juelich.de/record/872559},
}