Mukhtar ul-Hassan

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Epitaxial growth of topological insulator bismuth telluride by molecular beam epitaxy onto BaF 2 (111) substrates is studied using Bi 2 Te 3 and Te as source materials. By changing the beam flux composition, different stoichiometric phases are obtained, resulting in high quality Bi 2 Te 3 and Bi 1 Te 1 epilayers as shown by Raman spectroscopy and(More)
An exclusive study has been carried out for determination of arsenic and other toxic metals in drinking water of Khairpur, Pakistan. The purpose of this study was to evaluate the concentration of arsenic and other heavy metals in ground water. Hydride generator Atomic Absorption Spectrometry (HG-ASS) was used for analysis of arsenic in water samples with(More)
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