Thermal evolution of the morphology of Ni/Ge(111)-c(2 × 8) surface

• Autorzy: Tomaszewska A. , Li J. H. , Huang X. L. , Fu T. Y.

Identyfikatory

DOI

10.2478/s13536-014-0239-4

• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

Ge(111); Ni; nickel germanides; scanning tunneling microscopy

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2014
• Tom: Vol. 32, No. 4
• Strony: 641--647
• Opis fizyczny: Bibliogr. 25 poz., rys.

Twórcy

autor

Tomaszewska A.

• Department of Physics, National Taiwan Normal University, 88, Sec. 4 Ting-Chou Rd, Taipei 116, Taiwan, ROC
• Institute of Physics, Jan Długosz University, Al. Armii Krajowej 13/15, 42-200 Czestochowa, Poland

autor

Li J. H.

• Department of Physics, National Taiwan Normal University, 88, Sec. 4 Ting-Chou Rd, Taipei 116, Taiwan, ROC

autor

Huang X. L.

• Department of Physics, National Taiwan Normal University, 88, Sec. 4 Ting-Chou Rd, Taipei 116, Taiwan, ROC

autor

Fu T. Y.

• Department of Physics, National Taiwan Normal University, 88, Sec. 4 Ting-Chou Rd, Taipei 116, Taiwan, ROC

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