Work Samples from Dr. Ali Meshkot

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Sample Work

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Laser Texturization to Decrease Reflectance of Polycrystalline Silicon Wafers[DOI:10.2961/jlmn.2012.01.0012]
        In the present work,  laser ablation as a method for texturization of a polycrystalline silicon surface is studied. This involves creating a roughened surface in order to decrease reflection from the surface of a wafer.  A special etching procedure was applied to remove the laser-damaged layer. The textured surface was observed using a field emission scanning electron microscope and an atomic force microscope. The surface reflectance was also measured and the results show that chemical etching needs to be applied after laser processing in order to achieve reduced reflection from a low defect surface.

Monireh Ganjali, Mansoureh Ganjali, Parvaneh Sangpour, Ali Khanlarkhani, Mohammad Ali Meshkot, Nanotechnology and Advanced Materials Department, Materials and Energy Research Center (MERC);
        (pp.62-67) Received: August 20th, 2011, Accepted: January 4th, 2012
Synthesis of Au-Cu Nano-Alloy from Monometallic Colloids by Simultaneous Pulsed Laser Targeting and Stirring
Mansoureh Ganjali , Monireh Ganjali, Soraia Khoby, Mohammad Ali Meshkot
Experimental work has been focused on the formation of alloyed Au-Cu nanoparticles under simultaneous laser exposure and mechanical stirring of mixed monometallic colloids, here referred to as dual procedure. As a feed for the dual procedure, Au and Cu monometallic nanoparticle colloids have been using a laser ablation technique. To accomplish this, bulk targets were ablated with 1064 nm wavelength Nd:YAG laser in a pure acetone (99.99%) environment. Ultraviolet-visible optical absorption spectrometry, transmission electron microscopy, X-ray diffraction and X-ray fluorescence technique have been used to characterize the nanoparticles. It has been found that experimental conditions such as stirring and laser parameters strongly affect the synthesized particle properties, including the size, shape, composition and stability of the nanoparticles. Alloy nanoparticles containing 39% Au – 61% Cu have also been prepared in the same process, but in two forms of a homogeneous alloy and a core-shell structure.
Mobile Telecommunications Towers
Site Acquisition Database

A Database to track progress of over 2000 sites, including location, subcontractors, site candidate, lease agreement, rental, owners and payment tracking.

Customer Invoicing

Project Proposal including hardware and software, human resources for producing customer invoices based on scattered information in different databases.

Data Normalization

Automatically Formatting a daily report of the latest project financial and progress status such that queries can be applied to the resulting dataset.


Field Names
File Naming Convention
Directory Naming Convention

Documentation System including Journal Entry Field Descriptions, File Naming Convention and Directory Name Rules.  How to store documents and how to find them.


Contract Visualisation.  I tend to make contract visualisations in order to make complex contracts more widely understandable and to convey consequences, responsibilities and liabilities.


Contract Change Order Process produced to deal with project changes with least impact and dispute avoidance.  The Invoicing Process is an overview of technical and financial data flow paths into a database to generate seamless contractor and client side invoicing within agreed parameters and formats.


Master of Science Thesis on the prediction of cement mortar strength and density by using the flow time and solid volume of the natural sand used to make the mortar. 
Read a summary of this work by clicking HERE
or download the whole thesis by clicking HERE. 4.6 Mb


As with any disciplined degree, during my PhD I gained more experience in the Scientific Method, which I had been using until then and have been using throughout my life. The urge for solving problems, the ability to analyse facts and figures free of hype, emotions and prejudice; and the determination and stamina to see the work through to its conclusion.

My Ph.D. project was about amorphous or glassy metals. No you can’t see through them! Glassy here refers to their lack of crystalline atomic structure. That is, during production the atoms are not allowed to come together to form crystals. Hot atoms at over 1600 degrees centigrade tend to move very fast, so to stop them forming crystals you need to put other atoms in their way, but more importantly you need to cool them at around 1,000,000 degrees per second!

This project was about making the right alloys to cool down. It involved designing and making experimental apparatus and a lot of experiments at over 1600 degrees centigrade. During this work I learned more about analytical methods such as x-ray diffraction techniques, interpretation of diffraction patterns on film, densitometry and electron microscopy. I learned more about working with refractory materials, with molten metals, at vacuum, at high and low gas pressures and about mixing gasses.

As a side effect of my experiments, I produced pure white silicon carbide fibres from condensed vapour.

You can read the Abstract here or
Download my PhD thesis from here 5Mb


When migrating relational medical formulary data from old systems to new ones, it is critical to ensure that data is ported correctly, verifiably and traceably.  When more than 50 people are to check/modify/update the data during the migration process, it becomes even more important to be able to track any change made by any one person.  When any one person is only allowed to see part of the data, and the data is over 200 Mb, then it becomes a challenging problem to solve.  Click here to see how I solved this complex problem.

CSV Text File Analysis Tool.  An application for MS Excel to import and compare text files with Comma Separated Values and take various actions according to the comparison results.
Great Islamic Encyclopaedia Entries Database.  A database to keep track of article entries to be produced for the Great Islamic Encyclopaedia.  The database can keep track of articles as they progress through the stages of research, author selection, review and summary of research materials, article draft, pier review, edit, cross-reference, typesetting and publication. All the data relating to each article is held within the database.
The Application of Computing to Historical Documents.  This work relates to Bills of Exchange from 1883 AD to 1932 AD when Barats were used in commerce. The essential items of information were extracted from 6800 Barats and analysed to find trading trends of that period.
Sample Visual Basic for Applications (VBA) Code for MS Access
Sample Visual Basic for Applications (VBA) Code for MS Excel
Sample Piping Engineering Report
A Database of Piping Engineering Abbreviations
Sample Bid Package for a petrochemical plant
A Furnace Designed and Built to Work constantly at 1600°C and for short periods at 1800°C


More Samples to be Added


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Tough minded Practical Stable Calm Self assured Alert


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