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本文首次研究了沉积在具有无规分形结构的a—Al_2O_3陶瓷断面上的Au逾渗薄膜系统的三次谐波系数和临界电流的关系. 相似文献
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本文着重研究了气氛对薄膜结晶性能、铁电性能的影响.结果发现,气体浓度对材料的结晶性以及铁电性能都有明显的影响.当Ar/O_2(mol)为2时,Pb(Zr_(0.52)Ti_(0.48))O_3薄膜为单相钙钛矿结构,而且所制得的薄膜的剩余极化P_r、饱和极化P_s以及介电常数最大. 相似文献
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In this paper, the third-harmonic coefficient in a bilateral rough Au-film percolation system deposited on the self-affine substrates is studied. It is proved experimentally that both the critical current and the film resistivity an functions of the third-harmonic coefficient yield power law critical behaviors. However, compared with flat systems, the critical exponents are significantly changed. The discussion for the universality behavior in this special system is also presented. 相似文献
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