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Tags: Dilute Impurity Alloys

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  1. Bismide Semiconductors: Revolutionising Telecom Lasers

    19 Oct 2015 | Papers | Contributor(s): Muhammad Usman, Christopher A Broderick, Eoin P O'reilly

    Today’s telecomm lasers are plagued with Auger-related losses, which significantly reduce their efficiency and make device cooling essential. We are proposing a radical change in the laser...

    https://nanohub.org/resources/22947

  2. Electronic Structure Theory of Dilute Impurity Alloys: GaBiP and GaBiAs

    18 Jan 2013 | Online Presentations | Contributor(s): M. Usman

    We report an atomistic model established for electronic structure calculations of GaBiAs (0 < Bi < 12%) alloys based on empirical tight binding parameters. Alloy supercells consisting of 1000 and...

    https://nanohub.org/resources/12371

  3. Muhammad Usman

    Muhammad Usman was graduated from the Electrical & Computer Engineering Department of Purdue University in August 2010. His PhD thesis was theoretical modelling and simulations of InGaAs/GaAs...

    https://nanohub.org/members/9702

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