Light emission enhancement from Ge quantum dots with phosphorous δ-doped neighboring confinement structures
Journal of Crystal Growth(2017)
Abstract
•Ge quantum dots were fabricated and effects of phosphorus δ-doping was examined.•P surface segregation was suppressed by the control of growth temperature.•Pl intensity is enhanced by the P doping due to the electron confinement.
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Key words
A1. Low dimensional structures,A3. Quantum wells,B2. Semiconducting germanium,B2. Semiconducting silicon compounds
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