k1 -x Na x nbo_3的合成、表征及介电性能

IF 0.7 4区管理学 Q3 COMMUNICATION International Journal of Mobile Communications Pub Date : 2012-08-31 DOI:10.5923/J.IJMC.20120202.01

S. Bhatt, M. Uniyal

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引用次数: 3

摘要

采用常规固相反应法制备了K1-xNaxNbO3 (X=0.4, 0.2, 0)陶瓷(PSN)样品。用XRD对制备的样品进行了表征。所有制备的样品在室温下均呈现正交结构。研究了PSN系统在45℃~ 245℃温度范围和1MHz频率下的介电性能和电学性能。电介质常数、损耗正切和电导率随温度升高而增大。在过渡温度附近，介电常数、损耗正切和电导率随温度的变化表现出异常行为。

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Synthesis, Characterization and Dielectric Properties of K 1-x Na x NbO 3

The samples of K1-xNaxNbO3 (X=0.4, 0.2, 0) ceramics (PSN) have been prepared by the conventional solid- state reaction method and sintering process. The prepared samples have been characterized by XRD. All the prepared samples show orthorhombic structure at room temperature. Dielectric and Electrical properties of PSN system have been investigated in the temperature range 45 0 C-245 0 C, and at 1MHz frequency. It is observed that dielectric constant, loss tangent and electrical conductivity increases with increasing temperature. Near the transition temperature dielectric constant, loss tangent and electrical conductivity of these samples show anomalous behaviour with temperature.

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来源期刊

International Journal of Mobile Communications COMMUNICATION-

自引率

12.50%

发文量

期刊介绍： The world of mobile communications is not a trend, but a phenomenon. IJMC, a fully refereed journal, publishes articles that present current practice and theory of mobile communications, mobile technology, and mobile commerce applications. Topics covered include Integrated mobile marketing communications Wireless advertising/CRM Telematics, pervasive computing Incoming/outgoing wireless links Location management Diffusion, security, efficacy, interaction/integration Metric mobile business enterprises PDAs in services delivery M-/u-business models, m-/u-commerce Digital office, groupware, roomware Mobile ad hoc networking, wireless information assurance Nomadic/portable communications Cross-cultural mobile communications Teaching mobile communication applications Mobile/handheld devices in the classroom, tele-learning.