CV
Basics
Name | Dayne Yoshiki Sasaki |
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 TechnologyMember 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.
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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.
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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.
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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.
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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
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2018 - 2024 Davis, CA
Doctor of Philosophy in Materials Science and Engineering
University of California Davis
- Thesis: Spin Texture Formation in Perovskite-Based Artificial Spin Ice Structures
- Advisor: Prof. Yayoi Takamura
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2013 - 2017 Honolulu, HI
Awards
- 2024.11
Advanced Light Source Collaborative Postdoctoral Fellowship
Advanced Light Source, Lawrence Berkeley National Laboratory
- 2022.09
Office of Science Graduate Student Research Fellowship
United States Department of Energy
- 2022.12
Travel Award to present at the 67th Annual Conference on Magnetism and Magnetic Materials (MMM)
University of California Davis Graduate Studies
- 2020.09
Graduate Assistance in Areas of National Need Fellowship
United States Department of Education
- 2019.09
Academic Scholarship
Pedrozzi Foundation
- 2017.05
Second Place in the Francis Rhodes Montgomery Design Competition
American Society of Mechanical Engineers (ASME) Hawaii Francis R. Montgomery Foundation