User profiles for Dilworth Y. Parkinson

Dilworth (Dula) Y. Parkinson

Lawrence Berkeley National Laboratory
Verified email at lbl.gov
Cited by 7097

Detection of subsurface structures underneath dendrites formed on cycled lithium metal electrodes

KJ Harry, DT Hallinan, DY Parkinson, AA MacDowell… - Nature materials, 2014 - nature.com
… We examined x y slices at various z locations and found the slice that contains the largest …
y slices in the z<z D regime until the structure disappears at z = z Df . Similarly, we examine x y

Damage evolution and failure mechanisms in additively manufactured stainless steel

…, A Haboub, GF Gallegos, DY Parkinson… - Materials Science and …, 2016 - Elsevier
In situ tensile tests were performed on additively manufactured austenitic stainless steel to
track damage evolution within the material. For these experiments Synchrotron Radiation …

Real-time quantitative imaging of failure events in materials under load at temperatures above 1,600 C

…, AA MacDowell, JR Nasiatka, DY Parkinson… - Nature materials, 2013 - nature.com
Ceramic matrix composites are the emerging material of choice for structures that will see
temperatures above ~1,500 C in hostile environments, as for example in next-generation gas …

Gas-diffusion-layer structural properties under compression via X-ray tomography

IV Zenyuk, DY Parkinson, LG Connolly… - Journal of Power Sources, 2016 - Elsevier
There is a need to understand the structure properties of gas-diffusion layers (GDLs) in
order to optimize their performance in various electrochemical devices. This information is …

Toughening mechanisms of the elytra of the diabolical ironclad beetle

…, D Restrepo, S Murata, D Vasile, DY Parkinson… - Nature, 2020 - nature.com
Joining dissimilar materials such as plastics and metals in engineered structures remains a
challenge 1 . Mechanical fastening, conventional welding and adhesive bonding are …

Probing water distribution in compressed fuel-cell gas-diffusion layers using X-ray computed tomography

IV Zenyuk, DY Parkinson, G Hwang… - Electrochemistry …, 2015 - Elsevier
X-ray computed tomography was used to investigate geometrical land and channel effects
on spatial liquid-water distribution in gas-diffusion layers (GDLs) of polymer-electrolyte fuel …

Xi-cam: a versatile interface for data visualization and analysis

…, A Mehta, AT N'Diaye, DY Parkinson… - Journal of synchrotron …, 2018 - scripts.iucr.org
Xi-cam is an extensible platform for data management, analysis and visualization. Xi-cam
aims to provide a flexible and extensible approach to synchrotron data treatment as a solution …

3D detection of lithiation and lithium plating in graphite anodes during fast charging

AS Ho, DY Parkinson, DP Finegan, SE Trask… - ACS …, 2021 - ACS Publications
A barrier to the widespread adoption of electric vehicles is enabling fast charging lithium-ion
batteries. At normal charging rates, lithium ions intercalate into the graphite electrode. At …

Scientific data exchange: a schema for HDF5-based storage of raw and analyzed data

…, F Marone, M Rivers, DY Parkinson… - Journal of synchrotron …, 2014 - scripts.iucr.org
Data Exchange is a simple data model designed to interface, or `exchange', data among
different instruments, and to enable sharing of data analysis tools. Data Exchange focuses on …

Quantitative 3-D imaging of eukaryotic cells using soft X-ray tomography

DY Parkinson, G McDermott, LD Etkin… - Journal of structural …, 2008 - Elsevier
Imaging has long been one of the principal techniques used in biological and biomedical
research. Indeed, the field of cell biology grew out of the first electron microscopy images of …