Formation of TiO2 Nanorings Due to Rapid Thermal Annealing of Swift Heavy Ion Irradiated Films

被引：2
|
作者：
Thakurdesai, Madhavi [1 ]
Sulania, I. [2 ]
Narsale, A. M. [1 ]
Kanjilal, D. [2 ]
Bhattacharyya, Varsha [1 ]
机构：
[1] Univ Bombay, Dept Phys, Mumbai 400098, Maharashtra, India
[2] Inter Univ Accelerator Ctr, New Delhi 110067, India
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2008年 / 8卷 / 09期
关键词：
TiO2; Nanorings; Electronic Excitation; RTA Annealing;
D O I：
10.1166/jnn.2008.284
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Amorphous thin films of TiO2 deposited by Pulsed Laser Deposition (PLD) method are irradiated by Swift Heavy Ion (SHI) beam. The irradiated films are subsequently annealed by Rapid Thermal Annealing (RTA) method. Atomic Force Microscopy (AFM) study reveals formation of nano-rings on the surface after RTA processing. Phase change is identified by Glancing Angle X-ray Diffraction (GAXRD) and Raman spectroscopy. Optical characterisation is carried out by UV-VIS absorption spectroscopy. Though no shift of absorption edge is observed after irradiation, RTA processing does show redshift.
引用
收藏
页码：4387 / 4394
页数：8
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