Experience

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  Eurofins | EAG Laboratories

  • Sunnyvale, California, United States

  • SIMS Scientist

    • Oct 2021 - Present
    • Sunnyvale, California, United States

    Provide analytical testing services to local and international semiconductor manufacturing companies and universitiesExpertise in depth profiling of impurities and elemental composition of III-V semiconductors (GaAs, InP, GaN, Ga2O3-based optoelectronic wafers and devices) using secondary ion mass spectroscopy (SIMS)

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  University of Illinois at Urbana-Champaign

  • United States
  • Higher Education
  • 700 & Above Employee

  • Graduate Research Assistant

    • 2014 - Oct 2021

    • Successfully developed and optimized depth profiling process to map the depth distribution of <1% tin contaminant within the first 10 nm of multilayer films exposed to tin plasma using in-situ XPS, ISS, and TEM, resulting in a poster• Discovered novel periodic nanostructures formed on Zr-based metallic glasses due to ion irradiation and resulting surface chemistry changes using SEM, AFM, in-situ XPS, and ISS, resulting in extension of the project grant for 1 year• Deciphered the role of surface chemistry changes using XPS in increasing surface hardness and preventing the collapse of ion-induced nanostructures on polymer, resulting in a publication in a high-impact journal• Individually analyzed surface topography and chemistry of 5 different types of materials after plasma/ion irradiation treatment using SEM, AFM, and XPS for 4 graduate students and a post-doc• Actively engaged in maintenance of analytical vacuum facility with ion beams and in-situ XPS equipment for 4+ years• Designed a new UHV facility for deposition of a-Se thin films by thermal evaporation for large-area radiation detector

  • Teaching Assistant

    • 2014 - May 2018

    • Led two teams of two to design and execute small-scale experiments on plasma-surface interactions• Concisely explained fundamentals and guided students to tackle homework problems for plasma engineering courses• Provided journal articles for presentations and led follow-up discussions for 20 students in a plasma engineering course

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  University of Wisconsin-Madison

  • Undergraduate Research Assistant

    • Feb 2013 - Aug 2014

    • Improved breakdown voltage and leakage current of low-k dielectrics by ion implantation• Characterized electrical properties of plasma processed semiconductors for 2 graduate students