Dielectric properties of Yttrium Vanadate crystals from 15 K to 295 K

Jacob, Mohan V., Mazierska, Janina, and Krupka, Jerzy (2005) Dielectric properties of Yttrium Vanadate crystals from 15 K to 295 K. Journal of Electroceramics, 15 (3). pp. 237-241.

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Abstract

Yttrium Vanadate (YVO4) is a birefringent crystal, which has similar dielectric constant as that of Sapphire. In this paper we have reported the measurement of the real part of permittivity and loss tangent of YVO4 crystal in the temperature range 15–295 K at a frequency of 16.3 GHz. We have used the dielectric post resonator technique for the microwave characterisation of the YVO4 dielectric rod. The multifrequency Transmission Mode Q-Factor (TMQF) technique has been used for data processing and hence precise values of permittivity and loss tangent are achieved. Easily machineable YVO4 is characterized by low losses at microwave frequencies. At temperature of 15 K and frequency of 16.3 GHz the permittivity was 9.23 and loss tangent was 2 × 10^− 5. YVO4 is identified as a potential candidate to replace expensive Sapphire in many microwave applications.

Item ID: 799
Item Type: Article (Refereed Research - C1)
Keywords: YVO4, Yttriyum Vanadate, microwave characterisation, permittivity, loss tangent
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ISSN: 1573-8663
Date Deposited: 24 Oct 2006
FoR Codes: 09 ENGINEERING > 0912 Materials Engineering > 091201 Ceramics @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 40%
86 MANUFACTURING > 8617 Communication Equipment > 861799 Communication Equipment not elsewhere classified @ 30%
86 MANUFACTURING > 8610 Ceramics, Glass and Industrial Mineral Products > 861002 Ceramics @ 30%
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