E. Ryan
6 Papers
4 Citations
E. Ryan is an academic researcher. The author has contributed to research in topics: Low-density polyethylene & Engineering. The author has an hindex of 1, co-authored 6 publications.
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Papers
Investigation of signal characteristics and charge sharing in AC-LGADs with laser and test beam measurements
Jennifer Ott,S. C. Letts,Albert J. Molnar,E. Ryan,Melvin Wong,Simone Michele Mazza,M. O. Nizam,H. F.W. Sadrozinski,B. A. Schumm,A. Seiden,T. Shin,Ryan Heller,C. Madrid,Artur Apresyan,William Brooks,Wei Chen,Gabriele D'amen,Gabriele Giacomini,I. Goya,Kazuhiko Hara,Sayuka Kita,S. Los,Koji Nakamura,Cristian Pena,C. Martin,T. Ueda,Alessandro Tricoli,Si Xie +27 more
TL;DR: In this article , the impact of n+ layer resistivity and metal electrode pitch on the charge sharing and achievable position resolution of AC-LGADs was studied in beam tests and with infrared laser scans.
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Surface-Localized Chemically Modified Reduced Graphene Oxide Nanocomposites as Flexible Conductive Surfaces for Space Applications
TL;DR: In this paper , the microstructural evolution of electrically conductive, surface-localized nanocomposites (SLNCs) of chemically modified reduced graphene oxide and a set of thermoplastic polymers as a function of critical thermal properties of the substrate (melting temperature for semi-crystalline materials or glass transition temperature for amorphous materials).
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Performance of chemically modified reduced graphene oxide (CMrGO) in lunar electrodynamic dust shield (EDS) applications
M. J. Schaible,K. G. Sjolund,E. Ryan,Meisha L. Shofner,John R. Reynolds,Julie S. Linsey,E. Orlando +6 more
TL;DR: In this article , the performance of a flexible, patterned nanocomposite EDS system produced through spray-coating and melt infiltration of chemically modified reduced graphene oxide (CMrGO) traces with thermoplastic high-density polyethylene (HDPE) was tested for a dusting of lunar regolith simulant under high vacuum conditions (∼10−6 Torr).
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First test results of the trans-impedance amplifier stage of the ultra-fast HPSoC ASIC
C. Chock,K. T. Flood,Luca Macchiarulo,F. Martinez-Mckinney,Antonio Martínez-Rojas,Simone Michele Mazza,I. Mostafanezhad,M. O. Nizam,Jennifer Ott,Richard Perron,E. Ryan,H. F.W. Sadrozinski,B. A. Schumm,A. Seiden,Kang-Je Shin,M. Tarka,D. Uehara,M. Wilder,Y. Zhao +18 more
TL;DR: In this article , the first results from the HPSoC ASIC designed for readout of Ultra-fast Silicon Detectors are presented, with the analog front end with β-particles impinging on 3 × 3 AC-LGAD arrays (500μm pitch, 200 × 200 μm2 metal).
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Designing a boron nitride polyethylene composite for lunar radiation shielding
A. D. Vira,Elizabeth Mone,Pat Connolly,E. Ryan,Karl Smith,C. Roecker,K. E. Mesick,E. Orlando,Zhi Hui Jiang,Phillip N. First +9 more
TL;DR: In this article , the authors optimize the boron distribution within HDPE composites using the Geant4 Monte Carlo simulation toolkit to improve the shielding performance by 4x to 30x over Al and 1.5x to 2x over HDPE.