H
Howard A. Padmore
Researcher at Lawrence Berkeley National Laboratory
Publications - 310
Citations - 10217
Howard A. Padmore is an academic researcher from Lawrence Berkeley National Laboratory. The author has contributed to research in topics: Beamline & Diffraction grating. The author has an hindex of 47, co-authored 304 publications receiving 9458 citations. Previous affiliations of Howard A. Padmore include Lawrence Livermore National Laboratory.
Papers
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Journal ArticleDOI
Controlled Orientation of Block Copolymers on Defect‐Free Faceted Surfaces
Sung Woo Hong,Dmitriy L. Voronov,Dong Hyun Lee,Dong Hyun Lee,Alexander Hexemer,Howard A. Padmore,Ting Xu,Thomas P. Russell +7 more
TL;DR: The effect of a faceted surface geometry on controlling the direction of well-defined line patterns of block copolymer (BCP) microdomains over macroscopic areas is reported.
Journal ArticleDOI
Soft X‐ray Ptychographic Imaging and Morphological Quantification of Calcium Silicate Hydrates (C–S–H)
Sungchul Bae,Sungchul Bae,R. Taylor,David A. Shapiro,Peter Denes,John Joseph,R. S. Celestre,Stefano Marchesini,Howard A. Padmore,Tolek Tyliszczak,Tony Warwick,David Kilcoyne,Pierre Levitz,Paulo J.M. Monteiro +13 more
TL;DR: In this article, a soft X-ray ptychographic imaging of tricalcium silicate (C3S) hydration products is presented, which enables the first time to perform morphological quantification of C3S hydrate products.
Proceedings ArticleDOI
A new x-ray optics laboratory (XROL) at the ALS: mission, arrangement, metrology capabilities, performance, and future plans
TL;DR: The ALS XROL mission, lab design and arrangement, ex situ metrology capabilities and performance, as well as the future plans for instrumentation upgrades are reviewed.
Journal ArticleDOI
Near atomically smooth alkali antimonide photocathode thin films
TL;DR: In this paper, the authors demonstrate a method for producing alkali antimonide cathodes with near atomic smoothness with high reproducibility, which can produce an order of magnitude or more lower emittance than present day systems.
Journal ArticleDOI
First commissioning results for the elliptically polarizing undulator beamline at the Advanced Light Source
Anthony Young,Jun Feng,Elke Arenholz,Howard A. Padmore,T. Henderson,Steve Marks,E. Hoyer,Ross Schlueter,Jeffrey B. Kortright,Vladimir Martynov,Christoph Steier,G. Portmann +11 more
TL;DR: The beamline 4.0.2 at the Advanced Light Source, Lawrence Berkeley National Laboratory as mentioned in this paper has an elliptically polarizing undulator (EPU) and a high resolution monochromator, covering the energy range from 90 to 1800 eV.