With over a decade of expertise in the field of high-temperature superconductivity (HTS), I have honed my skills in material growth research, characterization techniques, application development, and commercialization. Additionally, I possess full-stack proficiency in developing large-scale equipment. My core competencies include:

  • Designing and building flexible and scalable automated systems
  • Conducting reel-to-reel inline/offline measurement of long HTS tapes
  • Analyzing dynamic electromagnetic characteristics of superconducting coils
  • Managing pilot-scale film deposition processes, such as MOCVD and IBAD

I take pride in staying up-to-date with the latest advancements in the HTS field, and I have a proven track record of delivering results within strict deadlines. My experience and skills make me a valuable asset to any organization looking to achieve excellence in the HTS domain.


Ph.D. in Mechanical Engineering

2017 - 2022
University of Houston, Houston, Texas
  • Advisor: Dr. Venkat Selvamanickam (former SuperPower CTO)
  • Reel-to-reel Characterization towards Feedback Control in Manufacturing Long REBCO High-Temperature Superconducting Tapes

B.Sc. in Mathematics and Physics

2008 - 2012
Tsinghua University, Beijing, China
  • Advisor: Dr. Zhenghe Han (former Innova Superconductor CEO)
  • Studied the fundamental mathematics and physics as well as embedded development as a hobby. Capstone project: Inductance of superconducting coils

Work Experiences

Strategic Science Initiative Postdoc

2023 - Present

Develop superconducting magnet technologies for reduced-cost fusion next step devices; also support the PPPL magnet program in the development of magnet user facilities for basic research.

Research Assistant

2017 - 2022

Besides academic research, also supported other projects in the group as a full-stack engineer on: Mechanical design and machining; Electrical design and wiring; Electronic design and circuit making; Automation and programming; Data acquisition and post-processing

As the first employee of a startup company, led the development and commercialization of various superconductor characterization tools and superconducting applications

Research Assistant

2014 - 2014

Conducted research on superconductor characterization techniques and superconducting applications

  • Implemented a reel-to-reel 77K self-field critical current measurement technique for long HTS tapes
  • Invented and realized a passive open magnetic field shielding technique in form of superconducting coil groups (PCT/CN/US patent granted)

In charge of automation in the 1st generation HTS tape (BSCCO/Bi-2223) production line

  • Process control and monitoring during heat treatment
  • Reel-to-reel tape thickness and width monitoring


2011 - 2012
Intel Labs China, Beijing, China

Assisted in embedded development on

  • Wireless display transmission (WiDi) in collaboration with Lenovo
  • Cross-device process migration on ARM platforms in collaboration with Nokia

Research Projects

Pilot-Scale Advanced MOCVD System for Manufacturing Long REBCO Tapes

To prove the extendability of the world-record performance in short REBCO samples to production scale

  • Fully designed and implemented the electronic circuit, the electrical wiring, the control strategy and the program framework of the system
  • Partially designed the mechanical structures and fully assembled the hardwares
  • Successfully manufactured over 50m uniform high-performance single tape
  • Reused the developed software framework to support another two MOCVD systems


Reel-to-Reel 65K/77K Self-Field/In-Field Critical Current Density Mapping Tool for Long REBCO Tapes

To routinely examine the quality of the produced long REBCO tapes by extracting their 2D performance distributions

  • Designed and developed a reel-to-reel motion system enabling the REBCO tapes going between room environment and 65K vacuum
  • Implemented a reciprocal Hall probe scanner and a rotary Hall probe scanner under low temperature
  • Successfully measured the 77K/65K critical current density profile of long REBCO tapes with external magnetic field in range 0-5T

[image1] [image2]

Inline Quality Check by 2D X-ray Diffraction in an Advanced MOCVD System

To monitor the REBCO and the dopants lattice qualities inline as a solid feedback source for real-time closed-loop process control

  • Integrated a X-ray source and a 2D detector in the Advanced MOCVD System by customized mechanical structures
  • Invented a numerical method to automatically detect peak of interest in the 2D XRD exposures and rectify the image with the presence of vibration and curvature
  • Reused the developed code to monitor bi-texture quality of buffer templates in an IBAD system by RHEED
  • Developed a high precision (>85%) machine learning model to predict the tape performance without post-processing

[image] [animation]

Electromechanical Properties of REBCO Tapes

To provide electromechanical properties when developing high-strength REBCO tapes for high-fields applications

  • Built a tensile I-V testing and a torsion I-V testing system
  • Extracted the 77K self-field critical current performances under various strains/stresses

Inductance of Superconducting Coils

To understand the dynamic eletromagnetic characteristics of HTS coils to better guide the design of non-DC superconducting applications

  • Simulated the current distributions in HTS coils with various dimensions by finite element method (utilizing ANSYS)
  • Designed and implemented an automated platform for measuring dynamic eletromagnetic properties, including inductance and AC loss, of HTS conductors
  • Discovered and verified the nonlinear behavior of the inductance in HTS coils and revised the inductive voltage and stored energy

Skills & Proficiency

Organization, Leadership and Collaboration

  • Organized ELEVATE interactive student sessions in 2020 and 2022 Applied Superconductivity Conference (ASC) conferences
  • Led over twenty undergraduate / master / doctoral RAs in research activities
  • Collaborated with over six research groups in exploring control strategies

Automation and Control

  • PLC / microcontrollers / hardware & software embedded development


  • Statistical and machine learning-based data analysis
  • Python / C++ / C# / Matlab / Julia / Mathematica

FEM Simulation

  • Electromagnetic / mechanical / thermal / general analysis
  • Comsol / ANSYS / Python / Julia / in-house code

Mechanical Design

  • CAD (Solidworks / Inventor / FreeCAD)


  • Drilling / Milling / Lathe / CNC / 3D printing

Electrial and Electronic Design

  • Digital and analog circuit (KiCAD)


  • Relational database (MySQL / MariaDB / SQLite)
  • Time-series database (InfluxDB)

Web Application Development

  • HTML5 / CSS3 / PHP / Javascript / Python-Flask

Honors & Awards

  • International Workshop on Coated Conductors for Applications 2023 Poster Prize

    (2nd Prize)

  • 2023
  • International Symposium on Superconductivity 2021 Encouragement Award

    (Best Oral Presentation)

  • 2021
  • TcSUH Cora Hawley Scholarship
  • 2020
  • American Bureau of Shipping Scholarship
  • 2019
  • Houston Endowment Fellowship
  • 2017
  • University of Houston Presidential Fellowship
  • 2017
  • China Electric Power Sci & Tech Award 3rd Best Invention Prize
  • 2016


  • Applied Superconductivity Conference 2020, Tampa, FL, Oct 2020 - ELEVATE Program Founding Committee Member
  • Applied Superconductivity Conference 2022, Honolulu, HI, Oct 2022 - Board Member; Material Program Committee Member; ELEVATE Program Committee Member
  • Fusion Magnet Community Workshop, Princeton, NJ, Mar 2023 - Program Committee Member.
  • Coated Conductor for Applications Workshop, Houston, TX, Apr 2023 - Program Committee Member.
  • Publications

    Publications including journal papers, conference proceedings and patents.

  • Quantile regression-enriched event modeling framework for dropout analysis in high-temperature superconductor manufacturing
  • M.Li, Y. Lin, Q. Feng, W. Fu, S. Peng, S. Chen, Ma. Paidpilli, C. Goel, E. Galstyan, V. Selvamanickam
    J. Intell. Manuf. (2024)
  • 40-meter-long REBCO tapes with critical current over 4,000 A/12 mm at 4.2 K and 13 T by advanced MOCVD
  • M. Paidpilli, C. Goel, B. Sarangi, S. Chen, E. Galstyan, J. Jaroszynski, G. Bradford, D. Abraimov, V. Selvamanickam
    Superconductivity (2024)
  • REBCO Insert Coils toward High-Field, Large-Bore Magnet for Quantum Physics Research
  • Y. Li, S. Chen, Y. Yan, B. Berlinger, R. Matthiessen, Y. Zhai
    IEEE Trans. Appl. Supercond. (2024)
  • Reinforcement learning for real-time process control in high-temperature superconductor manufacturing
  • Q. Feng, S. Peng, Y. Lin, S. Chen, M. Paidpilli, C. Goel, E. Galstyan, V. Selvamanickam
    Int. J. Adv. Manuf. Technol. (2023)
  • High critical current STAR wires with REBCO tapes by advanced MOCVD
  • E. Galstyan, J. Kadiyala, M. Paidpilli, C. Goel, J. Sai Sandra, V. Yerraguravagari, G. Majkic, R. Jain, S. Chen, Y. Li
    Supercond. Sci. Tech. (2023)
  • Development of 50-meter RE-Ba-Cu-O Tapes with Critical Current Over 1750 A/12mm at 65 K, 0.25 T by Advanced-MOCVD
  • M. Paidpili, C Goel, S. Chen, Y. Li, R. Jain, V. Shyam, M. Oad, V. Yerraguravagari, E. Galstyan, G. Majkic, R. M. Schimidt, C. M. Rey, T. H. Carnes and V. Selvamanickam
    IEEE Trans. Appl. Supercond. (2023)
  • A Reel-to-Reel Scanning Hall Probe Microscope for Characterizing Long REBCO Conductor in Magnetic Fields Up to 5 Tesla
  • Y. Li, S. Chen, M. Paidpilli, R. Jain, C. Goel and V. Selvamanickam
    IEEE Trans. Appl. Supercond. (2022)
  • Scale Up of High-Performance REBCO Tapes in a Pilot-Scale Advanced MOCVD Tool With In-Line 2D-XRD System
  • S. Chen and M., Goran, R. Jain, R. Pratap, V. Mohan, C. Goel and V. Selvamanickam
    IEEE Trans. Appl. Supercond. (2021)
  • Reel-to-Reel Scanning Hall Probe Microscope Measurement on REBCO Tapes
  • S. Chen and X. Li, W. Luo and V. Selvamanickam
    IEEE Trans. Appl. Supercond. (2019)
  • Inductance of Low-Frequency Small-Scale High-Temperature Superconducting Coils
  • S. Chen, C. Gu, Y. Li, L. Lai, T. Qu, N. Hu, M. Song, S. Zou and Y. Yue
    IEEE Trans. Appl. Supercond. (2019)
  • Magnetization and Screening Current in an 800 MHz (18.8 T) REBCO Nuclear Magnetic Resonance Insert Magnet - Experimental Results and Numerical Analysis
  • Y. Li, D. Park, Y. Yan, Y. Choi, J. Lee, P. C. Michael, S. Chen, T. Qu, J. Bascunan and Y. Iwasa
    Supercond. Sci. Technol. (2019)
  • Open Magnetic Shielding by Superconducting Technology
  • C. Gu, L. Lai, S. Chen, T. Qu and Y. Yue
    IEEE Trans. Appl. Supercond. (2019)
  • Characterization of Ic Degradation in Bent YBCO Tapes
  • L. Lai, C. Gu, Y. Yue, S. Chen, M. Song, N. Hu, T. Qu and S. Zou
    IEEE Trans. Appl. Supercond. (2019)
  • Observation and Analysis of Defects in Impregnated YBCO Racetrack Coil
  • S. Chen, C. Gu, T. Qu, L. Lai, N. Hu and Y. Jiang
    IEEE Trans. Appl. Supercond. (2017)
  • Experimental Realization of Open Magnetic Shielding
  • C. Gu, S. Chen, T. Pang and T. Qu
    Appl. Phys. Lett. (2017)
  • Examination and Analysis of Critical Current Uniformity of Long HTS Tapes by the MCorder
  • S. Zou, C. Gu, T. Qu, S. Chen, X. Li and Z. Han
    IEEE Trans. Appl. Supercond. (2015)
  • Dynamic Uniformity Modeling in Superconductor Manufacturing via Vector Autoregression Analysis
  • S. Peng, M. Li, Y. Lin, Q. Feng, W. Fu, E. Galstyan, S. Chen, and R. Jain
    IIE Annual Conference. Proceedings; Norcross (2022)
  • A Spatial Point Process-based Approach for Dropout Events Modeling in High-Temperature Superconductor Manufacturing
  • M. Li, S. Peng, Y. Lin, Q. Feng, W. Fu, E. Galstyan, S. Chen, and R. Jain
    IIE Annual Conference. Proceedings; Norcross (2022)
  • Magnetic Field Shielding System Based on Closed Superconducting Coil Groups and Magnetic Field Shielding Device
  • C. Gu, S. Chen, T. Qu, Z. Han
    US Patent (US10015917B2) / China Patent (CN104349653B)