OSRAM SYLVANIA PhD position in nano patterned sapphire substrates for deep UV LEDs in Regensburg, Germany

  • developing of different designs and structuring processes for nano-PSS shall be evaluated and optimized, which requires a close coupling between structuring and epitaxy

    • Design different nano –pss structures and verify influence on light extraction efficiency

    • Chip processing: Develop new and adapt existing nano-imprint//standard lithography process,

    • plasma and chemical etch processes for nano structuring of the sapphire surface,

    • surface cleaning process for obtaining a reproducible “epi ready” surface

    • Adapt and optimize the AlN growth start in epitaxy on nano-PSS surfaces,

    • check and try to reduce the defect density in the AlN/AlGaN buffer,

    • eliminate detrimental strain/bow issues and

    • identify possible effects of the nano-PSS on the LED heterostructure (efficiency, strain)

    • Master degree (or equivalent) in a field of study supporting the successful completion of the associated topics (e.g. Physics, Electronics, Computer Science).

    • Interest in Deep UV technology

    • Fluent in English (written and oral).

    • Self-reliant and highly proactive way of working.

    • Excellent communication skills.

Title: PhD position in nano patterned sapphire substrates for deep UV LEDs

Location: DE-BY-Regensburg

Requisition ID: 00068761