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2篇 您的检索式：作者名="M.A. Halim"

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		题名	作者	年代	出处	被引量
	1	Effect of Al Doping on Structural, Electrical, Optical and Photoluminescence Properties of Nano-Structural ZnO Thin Films显示文摘The nano-structural Al-doped ZnO thin films of different morphologies deposited on glass substrate were successfully fabricated at substrate temperature of 350 C by an inexpensive spray pyrolysis method. The structural, electrical, optical and photoluminescence properties were investigated. X-ray diffraction study revealed the crystalline wurtzite (hexagonal) structure of the films with nano-grains. Scanning electron mi- croscopy (SEM) micrographs indicated the formation of a large variety of nano-structures during film growth. The spectral absorption of the films occurred at the absorption edge of ~410 nm. In the present study, the optical band gap energy 3.28 eV of ZnO decreased gradually to 3.05 eV for 4 mol% of Al doping. The deep level activation energy decreased and carrier concentrations increased substantially with increasing doping. Exciting with the energy 3.543 eV (λ=350 nm), a narrow and a broad characteristic photoluminescence peaks that correspond to the near band edge (NBE) and deep level emissions (DLE), respectively emerged.	M. Mozibur Rahman M.K.R. Khan M. Rafiqul Islam M.A. Halim M. Shahjahan M.A. Hakim Dilip Kumar Saha Jasim Uddin Khan	2012	Journal of Materials Science & Technology2012，28，4：	3
	2	Hydrogeochemistry and arsenic contamination of groundwater in the Ganges Delta Plain, Bangladesh显示文摘	M.A. Halim R.K. Majumder S.A. Nessa Y. Hiroshiro M.J. Uddin J. Shimada K. Jinno	2008	Journal of Hazardous Materials2008，，2：	1

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