TY - JOUR
T1 - Thermal evolution of the morphology of Ni/Ge(111)-c(2 × 8) surface
AU - Tomaszewska, Agnieszka
AU - Li, Jhen Hao
AU - Huang, Xiao Lan
AU - Fu, Tsu Yi
N1 - Funding Information:
The authors are grateful to the National Science Council of the Republic of China for the financial support (Grant No. NSC 101-2112-M-003-004). One of the authors (A.T.) appreciates the support from the Jan Długosz University (Grant No. DSM/WMP/27/2012).
Publisher Copyright:
© Wroclaw University of Technology.
PY - 2014/12/1
Y1 - 2014/12/1
N2 - The thermal evolution of the interface formed by room temperature (RT) deposition of Ni atoms (coverage 0.1, 0.5, 1.2 ML) onto a Ge(111)-c(2 × 8) surface has been studied with the use of scanning tunneling microscopy (STM). Atomically resolved STM images revealed that, at RT, the boundaries between the different c(2 × 8) domains acted as nucleation sites for Ni atoms. After annealing the surface with deposited material at 473 to 673 K the formation of nano-sized islands of NixGey compounds was observed. In addition, the occurrence of ring-like structures was recorded. Based on the dual-polarity images the latter were assigned to Ni atoms adsorbed on Ge adatoms.
AB - The thermal evolution of the interface formed by room temperature (RT) deposition of Ni atoms (coverage 0.1, 0.5, 1.2 ML) onto a Ge(111)-c(2 × 8) surface has been studied with the use of scanning tunneling microscopy (STM). Atomically resolved STM images revealed that, at RT, the boundaries between the different c(2 × 8) domains acted as nucleation sites for Ni atoms. After annealing the surface with deposited material at 473 to 673 K the formation of nano-sized islands of NixGey compounds was observed. In addition, the occurrence of ring-like structures was recorded. Based on the dual-polarity images the latter were assigned to Ni atoms adsorbed on Ge adatoms.
KW - Ge(111)
KW - Ni
KW - Nickel germanides
KW - Scanning tunneling microscopy
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U2 - 10.2478/s13536-014-0239-4
DO - 10.2478/s13536-014-0239-4
M3 - Article
AN - SCOPUS:84940855133
SN - 0137-1339
VL - 32
SP - 641
EP - 647
JO - Materials Science-Poland
JF - Materials Science-Poland
IS - 4
ER -