通过制备不同结晶度的聚乙烯(PE)基体,研究基体结晶度对逾渗复合体系的逾渗阈值和介电行为的影响.结果显示逾渗阈值与基体的结晶度呈反比关系,而介电常数的增加与基体结晶度呈正比.提出用二维图表反映这种关系.此外,还发现绝缘体-导体的转变在以低结晶度为基体的复合材料中更易出现,这可能对制备具有高介电常数、低损耗的逾渗复合材料有利.
参考文献
| [1] | Huang C;Zhang Q M;Su J .High Dielectric Constant All-Pol-ymer Percolative Composites[J].Applied Physics Letters,2003,82:3 502. |
| [2] | Rao Y;Wong P.Ultra High Dielectric Constant Epoxy Silver Composite for Embedded Capacitor Application[J].IEEE Proc Electron Compon Technol Conf,2002:920. |
| [3] | Kundu T K;Chakravorty D .Nanocompesites of Lead-Zirconate -Titanate Glass Ceramics And Metallic Silver[J].Applied Physics Letters,1995,67:2 732. |
| [4] | Chiteme C;McLachlan D S .1/f or Filker Noise in Cellular Percolation Systems[J].Physical Review B,2003,67:024 206. |
| [5] | Dang ZM.;Wu JB.;Fan LZ.;Nan CW. .Dielectric behavior of Li and Ti co-doped NiO/PVDF composites[J].Chemical Physics Letters,2003(3-4):389-394. |
| [6] | Spanoudaki A;Pelster R .The Dependence on Effective Dielectric Properties of Composite Materials:The Particle Size Distribution[J].Physical Review B,2001,64:064 205. |
| [7] | Li Y J;Xu M;Feng J Q et al.Large Dielectric Constant of the Chemically Purified Carbon Nanotube/Polymer Composites[J].Applied Physics Letters,2006,89:072 902. |
| [8] | Xu J;Wong C P .Low-Loss Percolative Dielectric Composite[J].Applied Physics Letters,2005,87:082 907. |
| [9] | Dang Z M;Zhang Y H;Tjong S C .Carbon Nanotube Composites with High Dielectric Constant at Low Percolation Threshold[J].Synthetic Metals,2004,146:79. |
| [10] | Beudenne A;Ibos L;Fois M et al.Electrical and Thermal Behavior of Polypropylene Filled with Copper Particles[J].Comp Part A,2005,36:1 545. |
| [11] | Abad MJ;Ares A;Barral L;Cano J;Diez FJ;Garcia-Garabal S;Lopez J;Ramirez C .Effects of a mixture of stabilizers on the structure and mechanical properties of polyethylene during reprocessing[J].Journal of Applied Polymer Science,2004(6):3910-3916. |
| [12] | Dang Z M;Lin Y H .Carbon Nanotube Composites with High Dielectric Constant at Low Percolation Threshold[J].Advances in Mater (Weinheim Ger ),2003,15:1 625. |
| [13] | Dang Z M;Shen Y;Fan L Z et al.Remarkable Selective Localization of Modified Nanescaled Carbon Black and Positive Temperature Coefficient Effect in Binary-Polymer Matrix Compesites[J].Journal of Applied Physics,2003,93:5 543. |
| [14] | Qi L;Lee B I;Chen S et al.Nonocomposites of Ferroelectric Polymers With TiO2 Nanoparticles Exhibiting Significantly Enhanced Electrical Energy Density[J].Adv Mater(Weinheim Ger ),2005,17:1 777. |
| [15] | Bergman D J;Imry Y .Critical Behavior of the Complex Dielectric Constant Near the Percolation Threshold of a Heterogeneous Material[J].Physical Review Letters,1977,39:1 222. |
| [16] | Wang, L;Dang, ZM .Carbon nanotube composites with high dielectric constant at low percolation threshold[J].Applied Physics Letters,2005(4):2903-1-2903-3-0. |
| [17] | Kim B;Lee J;Yu L .Electrical Properties of Single-Wall Carbon Nanotube and Epoxy Composites[J].Journal of Applied Physics,2003,94:6724. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%