TITLE

Experimental Study of a Synthesis Ti Nanoparticles with Nanosecond Laser Pulses

AUTHOR(S)
Al-Kinany, Maha; Al-Dahash, Ghaleb A.; Al-Shahban, Jasim
PUB. DATE
July 2014
SOURCE
Australian Journal of Basic & Applied Sciences;Jul2014, Vol. 8 Issue 10, p283
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report the growth and characterization of Ti nanoparticles thin film of on glass substrate by pulse laser deposition method. The Ti thin film prepared with different parameters (different energy 600,1000 mJ)and (different substrate temperature 150,200,250 Ä‹ ). Surface topography studied by atomic force microscopy revealed narrowed size distributions, with particle sizes ranging from 19.18 to 65.89 nm. X-ray diffraction showed nanostructured phase with ( 2q = 35.093 , 38.421 , 40.170 , 53.004, 62.49 degree). The results showed the Average Gran Size increased with increasing substrate temperature and RMS roughness increased with increasing substrate temperature. The results showed the increasing of energy pulse leads to increasing the grain size .Optical properties measurements showed transformation from metallic properties of bulk Ti to semiconductor properties when formed by sort of nanostructure evidenced by the formation of optical energy gap about (2.2 to 3.5 eV) with different conditions.
ACCESSION #
97368491

 

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