CV

Basics

Name Dayne Yoshiki Sasaki
Email dayne [dot] sasaki [at] outlook [dot] com

Skills

Instrumentation
Physical vapor deposition
Pulsed laser deposition
Magnetometry
Vibrating sample magnetometry
Microscopy
Electron microscopy (scanning, x-ray photoemission)
Scanning probe microscopy (atomic force, magnetic force)
Optical microscopy
Scanning transmission x-ray microscopy
Coherent lensless x-ray imaging (ptychography, holography)
X-ray scattering
Thin film x-ray diffraction
X-ray reflectivity
X-ray resonant scattering
X-ray microdiffraction
Spectroscopy
X-ray absorption spectroscopy (XMCD, XMLD)
Ferromagnetic resonance (broadband, x-ray detected)
Maintenance and/or repair
High vacuum systems
Pulsed laser deposition system
X-ray diffraction system (Bruker D8 Discover)
Computational
Programming languages
Python (familiar with PyTorch)
MATLAB (Parallel Computing Toolbox, App Designer)
Computer Aided Design
Autodesk Inventor
SolidWorks
KLayout
Simulation software
MATLAB (Metropolis algorithm)
ANSYS Mechanical
GenX
Stopping and Range of Ions in Matter
MuMax3
Oasys and SHADOW ray tracing

Work

  • 2024.04 - Present

    Berkeley, CA

    Postdoctoral Research Associate
    Advanced Light Source, Lawrence Berkeley National Laboratory
    Department of Physics, Massachusetts Institute of Technology
    Member of a team developing reflection-mode x-ray lensless imaging capabilities.
    • Collaboratively worked with members of the Microscopy and Scattering Programs to perform research and development of soft x-ray coherent lensless imaging techniques.
    • Designed vacuum components using CAD to enable existing instruments to perform coherent lensless imaging in reflection geometry.
  • 2022.09 - 2023.09

    Berkeley, CA

    Research Fellow
    Advanced Light Source, Lawrence Berkeley Natl. Laboratory
    Performed development work on x-ray magnetic spectroscopy instruments at the Advanced Light Source Beamline 4.0.2.
    • Designed and tested hardware changes for a hybrid x-ray/microwave spectrometer, enhancing the measurement sensitivity of the tool by ~8x.
    • Worked with vendors and internal engineering staff to design hardware changes for upgrading an x-ray detector in an high vacuum XRD tool.
  • 2019.09 - 2024.03

    Davis, CA

    Graduate Research Assistant
    Department of Materials Science and Engineering, University of California Davis
    Combined experimental and computational methods to understand magnetism in lithographically-patterned nanostructures.
    • Led scientific collaborations to lithographically pattern oxide thin films and investigate their geometry-dependent magnetism with x-ray photoemission electron microscopy.
    • Used micromagnetic simulations to understand how nanoscale magnetism in patterned films can be engineered through material properties, pattern geometry, and magnetic interactions.
    • Took ownership of X-ray diffraction and pulsed laser deposition equipment, ensuring the health of these tools through maintenance and repairs.
    • Automated magnetic microscopy image analysis using GPU-accelerated MATLAB code with a GUI front-end.
    • Synthesized thin films for collaborations aimed at developing devices with voltage-controlled magnetism, producing 6 scientific papers.
  • 2018.09 - 2021.12

    Davis, CA

    Teaching Assistant
    Departments of Chemistry, Chemical Engineering, and Materials Science and Engineering, University of California Davis
    • Led chemistry laboratory sections with over 20 students, ensuring student safety by providing training on chemical and laboratory safety.
    • Planned and led discussion sections teaching students concepts such as electronic/magnetic properties of materials, chemistry, and MATLAB programming
  • 2016.08 - 2017.12

    Honolulu, HI

    Undergraduate Research Assistant
    Department of Mechanical Engineering, University of Hawaii at Manoa
    Developed robotic instruments called active needles to enable minimally-invasive surgical procedures.
    • Worked in a team of several students to design a robotic surgical instrument called an active needle, whose design was awarded 2nd place in an ASME engineering design competition.
    • Simulated the behavior of an active needle design with shape memory alloy actuators using ANSYS mechanical, resulting in 1 scientific publication.
  • 2012.03 - 2018.03

    Mililani, HI

    Motor Transport Operator
    United States Army National Guard
    • Worked in teams of 5-20 Soldiers to provide logistical support for artillery teams by safely transporting and delivering munitions with military vehicles

Education

Awards