Aisha SABA
About

Following the completion of a M.Sc and a M.Phil degree in Physics from the University of Islamabad, I am currently working at CNR-SPIN in Genova, Italy while also subscribed as a PhD student in the University of Genova. My work focuses on the production of thallium based high temperature superconducting thin-film coatings. 

To research in an excellent academic and research environment where my knowledge, Skills, abilities and research capabilities enhance and improve. I am looking for an opportunity where I could prove myself and that would help me to build my skills

I have also developed a strong passion for outreach while she thinks that improvement of academic excellence, could strengthen the quality of, the positive contribution to our society in generating new ideas and gives raise to employment and economic growth for a better future.

 

 

 
Experience
2018 - present
Doctoral Student
University of Genova, Italy
  • Production of high temperature superconducting thallium based thin film coatings for the application in the future circular collider at CERN.
Expertise
Computer skills
Computer skills
Creativity
Creativity
Problem solving
Problem solving
Research
Research
Software
Software
Education
2015 - 2017
M.Phil in Physics
Quaid-I-Azam University, Islamabad, Pakistan
  • Dielectric properties of (M=Cd, Zn, Ni) Superconductors
  • Fourier transformation infrared spectroscopy of Superconductors.
  • Electrical resistivity
  • Low and high frequency Dielectric Properties of superconductors
  • AC conductivity of superconductivity
2012 - 2014
M.Sc in Physics
Quaid-I-Azam University, Islamabad, Pakistan
2010 - 2012
BSc. in Mathematics and Physics
University of Punjab, Lahore
Work on project

I am a researcher in the field of superconductivity for four years. As member of the MSCA EASItrain project, I have been working on high thallium based temperature superconducting thin films and bulk samples. 

 

 

 
What is the key question you try to address?

The design and coating of the beam screen for the Future Circular Collider (FCC) is under study. The beam screen of the LHC is coated with copper. For the anticipated conditions of the FCC, i.e. 40-60 K, 16 T, and 0-1 GHz frequency, the copper coating might not provide a low surface impedance for stable beam operation. It is suggested that high temperature coating could be an alternative to copper.  The aim of the pilot study of thallium based superconducting thin film coatings (in particular phase 1223) is to explore, review properties, understand and analysing the perspectives for this material and the motivation to produce a deposition technique scalable to the size of the FCC beam screen.

A variety of techniques, i.e. spin coating, dipping, and painting, has been tested for the coating of the thin films on the surface of different substrates.  However, a cathodic electrodeposition method is being used for the deposition of thin films because of its feasibility and fast deposition rates. The superconducting thin films of the phase of 1223 are electrodeposited on silver and silver-coated SrTiO3 single crystal substrates.

 

 

 

 
What tools are you using?

To prepare the deposition bath, the nitrates of the required elements are added in the DMSO solvent, are mixed, and heated using Stirrer and heating plate to produce the right stoichiometric electrodeposited precursor. The electrodeposition system consists of the three-electrode cell connected to potentiostat interfaced with a computer. The electrodeposited films are annealed in Pure Oxygen in a three-zone tubular furnace at the high-temperature in the presence of thallium oxide powder (Tl2O3) wrapped in the gold foil.

 

 

 

 
What are the next steps?

The electrodeposited films contain Tl-1223 and Tl-1212 phase. To maximize the coverage of the film, and to enhance the Tl-1223 phase grains, which is our major interest, on the substrate, preparation of different deposition baths with different element compositions is being studied. To improve the growth of the grains, silver single crystal and steel substrates with silver buffer layer are to be used.