Shah, Shrey

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  • Publication
    Effect of Annealing on the Contact Resistance of Aluminum on a p-type Substrate
    (2019-11-14) Shah, Shrey; Watson, George Patrick
    Aluminum contacts are widely used to form both ohmic and rectifying contacts. The process to form these contacts involves annealing, thus it is important to study the effect of annealing on the electrical properties of the contacts. Here, we present a way to measure the contact resistance of aluminum contacts formed on a p-type silicon substrate. It was found the contact resistivity decreased by an average of 18%. It was thus found that annealing at 400°C in a forming gas environment improves the electrical properties of aluminum contacts.