W. A. W. Razali

3 Questions 10 Answers 0 Followers

Questions related from W. A. W. Razali

Contamination from Zirconia ball during milling process.

I have done the milling process for an Alumina sample using zirconia ball. However from EDX and XRD analysis it is showing very high contamination of Zirconia element. Does anyone have suggestions...

16 April 2013 9,986 7 View

What is different between the absorption and excitation spectrum?

I measure absorption spectrum using UV-Vis NIR and excitation spectrum using fluorescence spectroscopy for ruby crystal. Absorption spectrum shows the most absorb wavelength while excitation...

23 January 2013 5,160 6 View

How to determine the best laser wavelength to ablate transparent material especially crystal in order to get high production yield of nanoparticles?

Ablation, in the broadest sense, is removal of material because of the incident light. In most metals and glasses/crystals the removal is by vaporization of the material due to heat.

17 January 2013 310 14 View