Dynamics of high-speed electrical tree growth in electron-irradiated polymethyl methacrylate

IF 44.7 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Science Pub Date : 2024-07-18 DOI:10.1126/science.ado5943

Kathryn M. Sturge, Noah Hoppis, Ariana M. Bussio, Jonathan Barney, Brian Beaudoin, Cameron Brown, Bruce Carlsten, Carolyn Chun, Bryson C. Clifford, John Cumings, Nicholas Dallmann, Jack Fitzgibbon, Emily H. Frashure, Ashley E. Hammell, José Hannan, Samuel L. Henderson, Miriam E. Hiebert, James Krutzler, Joseph Lichthardt, Mark Marr-Lyon, Thomas Montano, Nathan Moody, Alexander Mueller, Patrick O’Shea, Ryan Schneider, Karl Smith, Bryce Tappan, Clayton Tiemann, David Walter, Timothy W. Koeth

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Abstract

Dielectric materials are foundational to our modern-day communications, defense, and commerce needs. Although dielectric breakdown is a primary cause of failure of these systems, we do not fully understand this process. We analyzed the dielectric breakdown channel propagation dynamics of two distinct types of electrical trees. One type of these electrical trees has not been formally classified. We observed the propagation speed of this electrical tree type to exceed 10 million meters per second. These results identify substantial gaps in the understanding of dielectric breakdown, and filling these gaps is paramount to the design and engineering of dielectric materials that are less susceptible to electrostatic discharge failure.

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电子辐照聚甲基丙烯酸甲酯中高速电树生长的动力学。

介电材料是满足现代通信、国防和商业需求的基础材料。虽然介电击穿是这些系统失效的主要原因，但我们对这一过程并不完全了解。我们分析了两种不同类型电气树的介质击穿通道传播动力学。其中一种电气树尚未正式分类。我们观察到这种电树的传播速度超过每秒 1000 万米。这些结果发现了在理解介电击穿方面存在的巨大差距，而填补这些差距对于设计和制造不易发生静电放电故障的介电材料至关重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Science 综合性期刊-综合性期刊

CiteScore

61.10

自引率

0.90%

发文量

审稿时长

2.1 months

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