Young's modulus of polycrystalline Li₁₂Si₇ using nanoindentation testing

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• 作者：J.B. Ratchford^a ; B.A. Crawford^b ; J. Wolfenstine^a ; J.L. Allen^a ; C.A. Lundgren^a ; ^{cynthia.a.lundgren2.civ@mail.mil}
• 关键词：Lithium ; Silicon ; Li12Si7 ; Young's modulus
• 刊名：Journal of Power Sources
• 出版年：2012
• 期刊代码：58_03787753
• 类别：ce
• 出版时间：1 August, 2012
• 卷：211
• 期：Complete
• 页码：1-3
• 文件大小：185 K

摘要

Young's modulus for Li₁₂Si₇ was determined from nanoindentation testing. Young's modulus for Li₁₂Si₇ was 52.0 卤 8.2 GPa. This value is in excellent agreement with estimated values of Young's modulus calculated from predicted values of bulk modulus using density functional theory.