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  _  __    ______     _____     ___     _    _   
 | |/ //  /_   _//   / ___//   / _ \\  | \  / || 
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 |_|\_\\  /_____//  /____//    \___//  |_|\/|_|| 
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Text this: Single-crystalline Ge₁₋ₓSnₓ/Si p–n heterojunction photodiodes with Sn compositions up to 10%