2 Works

Data from: Increasing dependence of lowland populations on mountain water resources

Daniel Viviroli, Matti Kummu, Michel Meybeck, Marko Kallio & Yoshihide Wada
Mountain areas provide disproportionally high runoff in many parts of the world, and here we quantify for the first time their importance for water resources and food production from the viewpoint of the lowland areas downstream. The dataset maps the degree to which lowland areas potentially depend on runoff contributions from mountain areas (39% of land mass) between the 1960s and the 2040s.

On cracking in thick GaN layers grown on sapphire substrates

M.G. Mynbaeva, A.A. Sitnikova, A.N. Smirnov, K.D. Mynbaev, H. Lipsanen, A.V. Kremleva, D.A. Bauman, V.E. Bougrov & A.E. Romanov
Self-organization mechanisms promoting elimination of cracks in thick GaN layers grown on sapphire substrates are considered on the basis of the experimental results on the fabrication of the layers by Hydride Vapor-Phase Epitaxy on MOCVD-grown GaN/Al2O3 templates. The obtained data support the supposition on the closure of tensile stress-related cracks via diffusion processes and demonstrate the strong contribution of bulk diffusion in addition to surface diffusion discussed earlier.

Registration Year

  • 2020
    2

Resource Types

  • Dataset
    1
  • Text
    1

Affiliations

  • Aalto University
    2
  • University of Zurich
    1
  • Sorbonne University
    1
  • International Institute for Applied Systems Analysis
    1
  • ITMO University
    1
  • Ioffe Institute
    1