کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1672676 | 1008938 | 2008 | 6 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Preparation and characterization of atomically flat and ordered silica films on a Pd(100) surface Preparation and characterization of atomically flat and ordered silica films on a Pd(100) surface](/preview/png/1672676.png)
Ultrathin silica films with different thicknesses have been grown on a Pd(100) surface by depositing silicon in the presence of O2. The film composition and electronic properties were characterized by X-ray photoelectron spectroscopy (XPS), ultraviolet photoelectron spectroscopy (UPS), and high-resolution electron energy loss spectroscopy (HREELS). Scanning tunneling microscopy was applied to investigate the film morphology and lattice structure. The results show that the obtained films are atomically flat and highly ordered in a long range. UPS and HREELS measurements indicate that the silica film has the same electronic and vibrational properties as bulk silica. A 2.8 nm thick film exhibits low defects in the film and high thermal stability up to 800 K, as evidenced by ion scattering spectroscopy and XPS.
Journal: Thin Solid Films - Volume 516, Issue 12, 30 April 2008, Pages 3741–3746