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within A. Qamar Remove this filter Science, Humanities and Social Sciences, multidisciplinary Remove this filter Science, Humanities and Social Sciences, multidisciplinary Remove this filter

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  1. Article

    Open Access

    X-ray spectroscopic study of amorphous and polycrystalline PbO films, α-PbO, and β-PbO for direct conversion imaging

    We investigated the electronic structure of Lead Oxide (PbO) – one of the most promising photoconductor materials for direct conversion x-ray imaging detectors, using soft x-ray emission and absorption spectro...

    A. Qamar, K. LeBlanc, O. Semeniuk, A. Reznik, J. Lin, Y. Pan… in Scientific Reports (2017)

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  2. No Access

    Article

    Upper Bound to the Density Jump at the Boundary of the Earth's Inner Core

    THE Earth has an inner core about the size of the Moon. Convincing observations of the seismic waves PKiKP, reflected at steep angles from the inner core boundary (ICB), were announced by Engdahl et al. (annual m...

    BRUCE A. BOLT, A. QAMAR in Nature (1970)