Jonathan E. Guyer

Staff Employment

2014-present: Group Leader, Mechanical Performance, MSED
2012–2014: Staff Member, Materials Science and Engineering Division, NIST
2000–2012: Staff Member, Metallurgy Division, NIST
1997–2000: NRC-NIST Postdoctoral Research Associate, Semiconductor Electronics Division, NIST
1991–1997: Graduate Research and Teaching Assistant, Department of Materials Science and Engineering, Northwestern University
1995: NSF Summer Institute in Japan, Electrotechnical Laboratory, Tsukuba, Japan
1986-1991: Division Officer, Nuclear Powered Submarine, USS Casimir Pulaski (SSBN-633) BLUE, United States Navy

Staff Education

PhD, Northwestern University, Evanston, IL, Materials Science and Engineering
- Dissertation: "Stability of Alloy Thin Films"
  Advisors: Prof. Peter W. Voorhees and Prof. Scott A. Barnett
Naval Nuclear Propulsion School, Orlando, FL and S5G Prototype Reactor, Idaho Falls, ID
- Intensive, year-long, practical and theoretical training in nuclear reactor operations
BS, Northwestern University, Evanston, IL, Materials Science and Engineering
- Thesis: "Temperature Dependence of Photoluminescence in InP/InAsP Strained Layer Superlattices"
  Advisors: Dean Jerome B. Cohen and Prof. Bruce W. Wessels

Research Interests

Modeling of phase transformations and thin film growth
Electrodeposition and molecular beam epitaxy
CdTe thin film photovoltaics
Medical applications of silver nanoparticles
Co-developer of the FiPy partial differential nist-equation package for phase transformation modeling
Organizer of the NIST Workshop on Wires, Whiskers and Walls: Energy Applications at the Nanoscale

Recent Submissions

Saylor DM, Guyer JE, Wheeler D, Warren JA, "Predicting Microstructure Development During Casting of Drug Eluting Coatings" Acta Biomater (2010), doi:10.1016/j.actbio.2010.09.019 (in press)
Josell D, Beauchamp CR, Hamadani B, Jung S, Guyer JE, Hangarter C, Gergel-Hackett N, Xu H, Zhitenev N, "Three-Dimensionally Structured Thin Film Heterojunction Photovoltaics on Interdigitated Back-Contacts" (submitted)
Dair B, Saylor DM, Cargal TE, French GR, Kennedy KM, Casas RS, Guyer JE, Warren JA, Pollack SK, "The Effect of Substrate Material on Silver Nanoparticle Antimicrobial Efficacy" J Nanosci Nanotechnol (submitted)
Mohanty RR, Guyer JE, Sohn YH, "Diffusion under temperature gradient: A phase-field model study," Journal of Applied Physics 106(3) 034912 (2009), doi:10.1063/1.3190607

Selected Publications

FiPy: PDEs in Python

February 23, 2009

Author(s)

Jonathan E. Guyer, Daniel Wheeler, James A. Warren

Partial differential equations (PDEs) are ubiquitous to the mathematical description of physical phenomena. They describe the relationships between functions of

Kinetics Governing Phase Separation of Nanostructured Sn(x)Ge(1a 'x) Alloys.

June 5, 2006

Author(s)

Regina Regan, Harry A. Atwater, Jonathan E. Guyer, Erik Meserole, Mark S. Gorrsky

We have studied the dynamic phenomenon of SnxGe1a 'x/Ge phase separation during deposition by molecular beam epitaxy on Ge(001) substrates.Phase-separation

Phase Field Modeling of Electrochemistry. I. Equilibrium

February 1, 2004

Author(s)

Jonathan E. Guyer, William J. Boettinger, James A. Warren, Geoffrey B. McFadden

A diffuse interface (phase field) model for an electrochemical system is developed. We describe the minimal set of components needed to model an electrochemical

Publications

Encouraging and Enabling Mutual Ownership in a RSE Community of Practice

November 21, 2022

Author(s)

Miranda Mundt, Jonathan Bisila, Jonathan E. Guyer, Daniel Howard, Daniel S. Katz, Reed Milewicz, Henry Schreiner, Joshua Teves, Chris Wiswell

The explosion of Research Software Engineers (RSEs) in the United States created the opportunity to form communities of practice (CoP), groups which share a

Co-Based Superalloy Morphology Evolution: A Phase Field Study Based on Experimental Thermodynamic and Kinetic Data

July 1, 2022

Author(s)

Carelyn E. Campbell, Ursula R. Kattner, Jonathan E. Guyer, James A. Warren, Wenkun Wu, Peter Voorhees, Olle Heinonen

Cobalt-based superalloys with gamma/gamma prime microstructures off er great promise as candidates for next-generation high-temperature alloys for applications

Phase Field Benchmark Problems for Nucleation

June 1, 2022

Author(s)

Wenkun Wu, David M. Taboada, Jonathan E. Guyer, Peter W. Voorhees, James A. Warren, Daniel Wheeler, Tamas Pusztai, Laszlo Granasy, Olle G. Heinonen

We present nucleation phase field model benchmark problems, expanding on our previous benchmark problems on diffusion, precipitation, dendritic growth, linear

IRIS-HEP Blueprint Workshop Summary: Learning from the Pandemic: the Future of Meetings in HEP and Beyond

June 30, 2021

Author(s)

Mark Neubauer, Todd Adams, Jennifer Adelman-McCarthy, Gabriele Benelli, Tulika Bose, David Britton, Ben Galewsky, Bo Jayatilaka, Brendan Kiburg, Maciej Gladki, Aman Goel, Jonathan E. Guyer, Pat Burchat, Joel Butler, Timothy Cartwright, Tomáš Davídek, Jacques Dumarchez, Peter Elmer, Matthew Feickert, Mandeep Gill, Benjamin Krikler, David Lange, Claire Lee, Nick Manganelli, Giovanni Marchiori, Meenakshi Narain, Ianna Osborne, Jim Pivarski, Harrison Prosper, Graeme Stewart, Eduardo Rodrigues, Roberto Salerno, Marguerite Tonjes, Jaroslav Trnka, Vera Varanda, Vassil Vassilev, Gordon Watts, Sam Zeller, Yuanyuan Zhang

The COVID-19 pandemic has by-and-large prevented in-person meetings since March 2020. While the increasing deployment of effective vaccines around the world is

Phase Field Benchmark Problems Targeting Fluid Flow and Electrochemistry

January 28, 2020

Author(s)

Andrea Jokisaari, Wenkun Wu, P W. Voorhees, Jonathan E. Guyer, James A. Warren, Olle G. Heinonen

In this work, a third set of benchmark problems for phase field models are presented. These problems are being jointly developed by the Center for Hierarchical

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Staff Employment

2014-present: Group Leader, Mechanical Performance, MSED
2012–2014: Staff Member, Materials Science and Engineering Division, NIST
2000–2012: Staff Member, Metallurgy Division, NIST
1997–2000: NRC-NIST Postdoctoral Research Associate, Semiconductor Electronics Division, NIST
1991–1997: Graduate Research and Teaching Assistant, Department of Materials Science and Engineering, Northwestern University
1995: NSF Summer Institute in Japan, Electrotechnical Laboratory, Tsukuba, Japan
1986-1991: Division Officer, Nuclear Powered Submarine, USS Casimir Pulaski (SSBN-633) BLUE, United States Navy

Staff Education

PhD, Northwestern University, Evanston, IL, Materials Science and Engineering
- Dissertation: "Stability of Alloy Thin Films"
  Advisors: Prof. Peter W. Voorhees and Prof. Scott A. Barnett
Naval Nuclear Propulsion School, Orlando, FL and S5G Prototype Reactor, Idaho Falls, ID
- Intensive, year-long, practical and theoretical training in nuclear reactor operations
BS, Northwestern University, Evanston, IL, Materials Science and Engineering
- Thesis: "Temperature Dependence of Photoluminescence in InP/InAsP Strained Layer Superlattices"
  Advisors: Dean Jerome B. Cohen and Prof. Bruce W. Wessels

Jonathan E. Guyer (Fed)

Research Interests

Recent Submissions

Selected Publications

Publications