Sol-gel synthesis and nonlinear optical transmission in Zn(1-x)Mg(x)O (x≤0.2) thin films

被引：43
作者：
Sandeep, C. S. Suchand
Philip, Reji
Satheeshkumar, R.
Kumar, V.
机构：
[1] Raman Res Inst, Bangalore 560080, Karnataka, India
[2] Ctr Mat Elect Technol, Thrissur 680771, India
来源：
APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 06期
关键词：
D O I：
10.1063/1.2335375
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Nanocrystalline Zn1-xMgxO thin films with an average particle diameter of 60 nm have been deposited on glass substrates using a sol-gel spin-coating technique. Within the range of compositions, 0 <= x <= 0.20, the optical band gap could be tuned between 3.40 and 3.83 eV. The nonlinear optical transmission in the visible spectral region is investigated using ultrafast (100 fs) and short (7 ns) laser pulses at off-resonant wavelengths. The observed nonlinearity is strong and is comparable to that recently obtained in ZnO nanocomposite layers ion-implanted with Cu+ ions. (c) 2006 American Institute of Physics.
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