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author:

越荣中 (越荣中.) [1] | 冯苗 (冯苗.) [2] | 詹红兵 (詹红兵.) [3]

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Abstract:

理论分析了单层银纳米颗粒及其复合超材料的电磁特性,并采用MATLAB数值计算和CST模拟对理论进行了验证.结果显示:4.75nm银颗粒所形成的单层阵列的数值和模拟结果都有Lorentz共振效应出现,模拟结果相对于数值计算有红移现象,且有微弱的磁共振效应.进一步对采用4.75nm颗粒复合而成的100nm大颗粒模拟,结果表明:在800~1 000nm区间共振得到负的实有效介电常量、负的实有效磁导率和负的折射率,说明100nm复合球形颗粒具有很强的磁共振效应,与理论分析相符.

Keyword:

有效介电常量 有效磁导率 负折射率 超材料 银纳米颗粒

Community:

  • [ 1 ] 福州大学材料科学与工程学院,福州350108

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Source :

光子学报

ISSN: 1004-4213

Year: 2011

Issue: 12

Volume: 40

Page: 1860-1864

0 . 6 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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