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Articles by M.A.U. Khan
Total Records ( 2 ) for M.A.U. Khan
  S.F. Shaukat , R. Farooq , M.A.U. Khan , A. Rashid and Y. Dong
  The optical and electrical properties of Copper-Indium-Selenium (CIS) thin films have been investigated using various experimental techniques. These compounds are extensively used in solar cell technology due to their exciting characteristics. CIS thin films have been grown onto glass substrates by a Stacked Element Layer (SEL) deposition technique in vacuum. Optical transmission measurements on different compositions of CIS films are observed and the absorption coefficient is determined. The Van der Pauw technique is used to divulge the electrical characteristics of these films. The electrical conductivity is found relatively high for the films annealed in vacuum but decreases for the films synthesised optimally. It is observed that p-type films have higher conductivity than n-type films. The reaction temperature of CIS formation is 250°C in vacuum. These properties are of great significance in manufacturing solar sell devices.
  S.F. Shaukat , Atiq-ul-Inam , M.A.U. Khan , Anjum Shah , R. Farooq , Tayyab Rasul , Zaubair Khalid and M. Bilal Qureshi
  The access to seamless multimedia services, browsing on internet, high speed and wide band data transmission are the basic requirements for the research and development. The cables play a pivotal role in getting the benefits from all these advancements in communication technology. To study various characteristics of cables, an extensive research has been carried out on a variety of cables. A variety of physical, electrical and numerical techniques have been utilized to characterize coaxial, twisted pair and twin lead cables. It has been revealed that coaxial cables are more suitable for real time data transmission due to their low attenuation, high velocity of propagation and their immunity to physical and environmental hazards. The main advantage of coaxial cables is its high bandwidth. The significance of other data cables cannot be ruled out but from different analytical techniques Radio Guide (RG)7/U has been proved to be the best cable for data transmission.
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