Microwave Dielectric Properties of Ceramic and Nanocomposite Titanates of Transition Metal

被引：7
|
作者：
Rinkevich, Anatoly B. [1 ]
Kuznetsov, Evgeny A. [2 ]
Perov, Dmitry V. [1 ]
Ryabkov, Yury I. [3 ]
Samoylovich, Mikhail I. [4 ]
Klescheva, Svetlana M. [4 ]
机构：
[1] Russian Acad Sci, Ural Branch, Inst Met Phys, Ekaterinburg 620990, Russia
[2] State Social Pedag Acad, Nizhny Tagil 622031, Russia
[3] Russian Acad Sci, Ural Branch, Inst Chem, Syktyvkar 167982, Russia
[4] Cent Res Technol Inst TECHNOMASH, Moscow 121108, Russia
来源：
JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES | 2014年 / 35卷 / 10期
关键词：
Ceramic titanate; Nanocomposite titanate; Opal matrix; Transmission and reflection coefficients; Complex dielectric permittivity; Electromagnetic waveguide; FREQUENCY;
D O I：
10.1007/s10762-014-0088-6
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Ceramic and nanocomosite samples of the titanates of transition metals have been synthesized and their microwave dielectric properties have been investigated. Frequency and magnetic field dependences of the transmission and reflection coefficients in centimeter and millimeter wavebands were measured. It is established for most of studied ceramic titanates that transmission coefficient increases and reflection coefficient decreases when frequency increases. An absorption maximum has been found for ceramic sample made of Co0.9Fe0.1TiO3. The real and imaginary parts of complex dielectric permittivity were determined from measurements of transmission and reflection coefficients. On the whole, real part of dielectric permittivity of nanocomposite titanates based on an opal matrix is less than for ceramic titanates.
引用
收藏
页码：860 / 870
页数：11
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