Charge assisted deposition of polycrystalline silicon thin films by cesium sputter ion beam deposition

Deuk Yeon Lee, Yong Hwan Kim, In Kyo Kim, Dong Joon Choi, Soon Moon Jeong, Won Hoe Koo, Seong Min Lee, Hong Koo Baik

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Polycrystalline Si thin films were deposited on a Si (100) substrate using negative Si ion beams and electrons generated from a highly doped Si target by the bombardment of highly energetic cesium ions. The negative Si ion energy was fixed at 100 eV and the target current was manipulated from 100 to 200 μA. The microstructure of the deposited films was analyzed from diffraction pattern and transmission electron micrographs. From the results of Transmission electron Microscopy (TEM) data, a polycrystalline Si film was deposited at a target current of 200 μA while amorphous film or a microcrystalline Si film was obtained at a target current of 100 μA, result in charged defects generated by ion beams and sufficient ion fluxes make such a structural difference.

Original languageEnglish
Pages (from-to)6880-6883
Number of pages4
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Issue number10
Publication statusPublished - 2004 Oct 1


All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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