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用浸蚀多孔金属铝模板制备小尺寸TiO_2阵列材料(英文) 被引量:1
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作者 鲁厚芳 闫康平 +1 位作者 严季新 王建中 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2009年第A01期472-476,共5页
在浸蚀多孔金属铝模板中制备小尺寸TiO2阵列材料。用电化学浸蚀方法由高纯金属铝箔制得了具有金属特性的多孔金属铝模板,此模板具有较强的耐化学腐蚀、耐热性能,并具有强的机械强度。模板的结构可由浸蚀条件控制,如电流密度、HCl和H2SO... 在浸蚀多孔金属铝模板中制备小尺寸TiO2阵列材料。用电化学浸蚀方法由高纯金属铝箔制得了具有金属特性的多孔金属铝模板,此模板具有较强的耐化学腐蚀、耐热性能,并具有强的机械强度。模板的结构可由浸蚀条件控制,如电流密度、HCl和H2SO4浓度比、温度、浸蚀时间等。在此模板中用TiO2溶胶和纳米粉末组成的浆体制备了小尺寸的阵列材料,模板的孔洞结构可由TiO2阵列复型。由此得到的TiO2阵列的长径比为10~40。 展开更多
关键词 浸蚀 多孔铝模板 TIO2 小尺寸阵列
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High Isolation and Low Correlation Small Size Multi-Antenna for MIMO Mobile Terminals
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作者 Song Zhaohui Ding Zhiyong 《China Communications》 SCIE CSCD 2012年第5期100-107,共8页
A new method of forming a four-port multi-antenna by a two-unit patch antenna array is proposed to design a high isolation low correlation stroll size multi-antenna. Dual polarization is real-ized by the method of fee... A new method of forming a four-port multi-antenna by a two-unit patch antenna array is proposed to design a high isolation low correlation stroll size multi-antenna. Dual polarization is real-ized by the method of feeding in two ports. Defec-ted Ground Structure (DGS) is used to eliminate the coupling between the two antenna units. The test results show that the isolation between two ports reaches around 20dB, and that the antenna correlation coefficients is less than 0. 5, which meets the requirements of future mobile communi-cation systems and provides a solution to multi-antenna of MIMO terminals. 展开更多
关键词 MIMO mobile terminal antenna corre-lation DIVERSITY
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