Postdoctoral Researcher
Current
Jul 2023 - Present
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Roger Walker Email & Phone Number
Postdoctoral Researcher | Materials Science | UConn | Dielectrics | Insulating Polymers
at
University of Connecticut
1 work email found
@psu.edu
2 phones found area 407
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Current company
Role
Postdoctoral Researcher | Materials Science | UConn | Dielectrics | Insulating Polymers
Location
Hartford, Connecticut, United States
Who is Roger Walker? Overview
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Quick answer
Roger Walker is listed as Postdoctoral Researcher | Materials Science | UConn | Dielectrics | Insulating Polymers at University of Connecticut, based in Hartford, Connecticut, United States. AeroLeads shows a work email signal at psu.edu, phone signal with area code 407, and a matched LinkedIn profile for Roger Walker.
Roger Walker previously worked as Postdoctoral Researcher at University Of Connecticut and Postdoctoral Researcher at Penn State University. Roger Walker holds Doctor Of Philosophy (Ph.D.), Materials Science from Penn State University.
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{first_initial}{last}@psu.edu
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Profile bio
About Roger Walker
I am a materials scientist specializing in the electrical characterization of polymeric dielectric materials, with prior experience in the radiation damage of semiconductors and surface characterization of layered nanomaterials.Over the span of my doctoral studies (2017-2020) and postdoctoral research (2021-2023), I have achieved the following:* Developed skills in electrical characterization, including but not limited to...** Dielectric spectroscopy** Thermally stimulated depolarization current** Current-voltage measurement** Polarization* Published 3 first-author articles and 1 book chapter* Presented 3 technical talks and 4 posters* Co-chaired a symposium at an American Chemical Society conference* Planned and ran internal events promoting a safety culture* Planned and ran community events promoting science communication* Awarded a Sloan Foundation scholarshipIn addition, during the time of my Master's thesis (2014-2017), I have achieved the following:* Developed skills in materials characterization, including but not limited to...** X-ray photoelectron spectroscopy** Raman spectroscopy** Scanning electron microscopy* Developed skills in nanofabrication and atomic layer deposition* Published 3 first-author articles and 1 review paper* Presented 4 posters
Listed skills include Research, Microsoft Excel, Materials Science, Microsoft Office, and 49 others.
Current workplace
Roger Walker's current company
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8 roles
Roger Walker work experience
A career timeline built from the work history available for this profile.
Postdoctoral Researcher
Phase 1 of the postdoc lasted from June 2021 to December 2022. The work undertaken in this phase was an extension of my dissertation work. In a real cable, crosslinked polyethylene will be in contact with a semiconductive polymer layer, and we study this experimentally through the use of thin films sandwiched together and electrically tested as one unit. Additionally, other characterization techniques were introduced, such as optical microscopy. My role was to conduct electrical characterization studies, primarily based on the techniques of polarization, current-voltage measurement, and dielectric spectroscopy. Based on the work done over the course of this study, one first author paper is being developed.Phase 2 of the postdoc lasted from January 2023 to June 2023. The work undertaken in this phase was aimed at taking the techniques developed during my dissertation work and in Phase 1 and applying them to other materials. In particular, Kapton and polyetherimide (PEI) were examined due to their widespread use as commodity capacitive polymer dielectrics. The main electrical characterization techniques of interest were polarization, dielectric spectroscopy, and thermally-stimulated depolarization current. A graduate student is currently being trained to conduct this work after my departure.
Jun 2021 - Jun 2023
Graduate Student Research Assistant
For my dissertation, I studied the dielectric and electrical properties of low-density and cross-linked polyethylene, with regard to how the morphology and peroxide byproduct concentrations control the resulting properties.The following first-author papers were published as a result of this work:"Explanation of the compensation law and the isokinetic point in the electrical conduction of crosslinked polyethylene" in February 2022“Impacts of crosslinking and degassing on the conductivity, dielectric loss, and morphology of low-density polyethylene” in February 2021“Thermally stimulated depolarization current spectra of crosslinked polyethylene and the influence of crosslinking byproducts” in October 2020For my Master's thesis, I studied the impact of ionizing radiation (i.e. protons and X-rays) on the surface chemistry of the layered semiconductor tungsten diselenide.The following first-author papers were published as a result of this work:“Stability of the tungsten diselenide and silicon carbide heterostructure against high energy proton exposure” in October 2017“Effects of energetic ion irradiation on WSe2/SiC heterostructures” in June 2017“Stability of semiconducting transition metal dichalcogenides irradiated by soft X-rays and low energy electrons” in April 2017“Radiation effects on two-dimensional materials” in September 2016
May 2014 - Aug 2020
Pecap Tutor
I worked as a tutor for the Swanson School of Engineering's PECAP program.
Sep 2011 - Apr 2014
Grader
I graded Homework for ENGR0022: Structure and Properties of Materials, the introductory materials science class for Mechanical Engineering, Engineering Science and Materials Science undergraduates.
Sep 2012 - Dec 2012
Undergraduate Research
I did research under Dr. Mark Kimber of the University of Pittsburgh Swanson School of Engineering Mechanical Engineering and Materials Science department, with one of his graduate students. As part of this, I looked at aspects of data center design and energy use.
Jan 2010 - May 2012
Srop Undergraduate Researcher
I worked with Dr. Katsuyo Thornton and Hui-Chia Yu on a project to improve the computer modeling of Lithium-ion batteries by using the smooth boundary method, which uses the Allen-Cahn equation to remove noise-like features. This method was used to model well-connected cathode structures. The work I completed over these two months has been further developed since my departure
Jun 2013 - Jul 2013
Interfaces And Surfaces Reu
Over the course of ten weeks, I developed and processed ceramic scintillators from yttrium and lutetium precursors with the intention of linking the processing path to their end properties.
May 2012 - Aug 2012
3 education records
Roger Walker education
Doctor Of Philosophy (Ph.D.), Materials Science
Penn State University
Master Of Science (M.S.), Materials Science
Penn State University
Bachelor'S Degree, Materials Science
University Of Pittsburgh
FAQ
Frequently asked questions about Roger Walker
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What company does Roger Walker work for?
Roger Walker works for University of Connecticut.
What is Roger Walker's role at University of Connecticut?
Roger Walker is listed as Postdoctoral Researcher | Materials Science | UConn | Dielectrics | Insulating Polymers at University of Connecticut.
What is Roger Walker's email address?
AeroLeads has found 1 work email signal at @psu.edu for Roger Walker at University of Connecticut.
What is Roger Walker's phone number?
AeroLeads has found 2 phone signal(s) with area code 407 for Roger Walker at University of Connecticut.
Where is Roger Walker based?
Roger Walker is based in Hartford, Connecticut, United States while working with University of Connecticut.
What companies has Roger Walker worked for?
Roger Walker has worked for University Of Connecticut, Penn State University, University Of Pittsburgh, University Of Michigan, and Clemson University.
How can I contact Roger Walker?
You can use AeroLeads to view verified contact signals for Roger Walker at University of Connecticut, including work email, phone, and LinkedIn data when available.
What schools did Roger Walker attend?
Roger Walker holds Doctor Of Philosophy (Ph.D.), Materials Science from Penn State University.
What skills is Roger Walker known for?
Roger Walker is listed with skills including Research, Microsoft Excel, Materials Science, Microsoft Office, Microsoft Word, Powder X Ray Diffraction, Technical Writing, and Public Speaking.
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