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Proton and electron radiation data and analysis of GaInP2/GaAs/Ge solar cells

We present electron and proton radiation data for our GaInP2/GaAs/Ge triple‐junction solar cell. An analysis of the data is also done with both the relative damage coefficients (RDC) method developed at NASA‐JPL, as well as the displacement damage dose (D3) method developed by the Naval Research Laboratory. We also discuss radiation tolerance of cells in the light of our development of an advanced triple‐junction cell. Copyright © 2002 John Wiley & Sons, Ltd.