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Broadband GHz frequency characterizations of Permalloy nanorods' array

机译:坡莫合金纳米棒阵列的宽带GHz频率表征

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The radio frequency characteristics of Permalloy nanorods' array have been examined by coplanar waveguide (CPW) cell. The Permalloy nanorods' array was grown in anodic aluminum oxide porous templates with a diameter of similar to 20 nm. As the Permalloy nanorods' array was placed on CPW, the characteristic impedances of the CPW were changed from 50 to 38 Omega at 1 GHz. The magnitude of inductance was decreased from 3 GHz and the capacitance was increased up to twice in comparison with that of CPW. The signal attenuations were abruptly increased over 1 GHz. The propagation wavelengths due to the insertion of Permalloy nanorods' array were decreased about 30% at 1 GHz in comparison with that of CPW without magnetic materials. (c) 2006 Elsevier Ltd. All rights reserved.
机译:坡莫合金纳米棒阵列的射频特性已通过共面波导(CPW)单元进行了检查。坡莫合金纳米棒的阵列在直径接近20 nm的阳极氧化铝多孔模板中生长。当将坡莫合金纳米棒阵列放置在CPW上时,CPW的特征阻抗在1 GHz时从50Ω变为38Ω。与CPW相比,电感的幅度从3 GHz降低,电容增加了两倍。信号衰减在1 GHz上突然增加。与没有磁性材料的CPW相比,由于在1 GHz处插入了坡莫合金纳米棒阵列而导致的传播波长降低了约30%。 (c)2006 Elsevier Ltd.保留所有权利。

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