Doped Ca(Ca1/4A2/4Ti1/4)O3 (A = Nb, Ta) dielectrics for microwave telecommunication applications

International Journal of Applied Ceramic Technology

Volumn 4, Issue 1, 2007, Pages 60-74

  Bijumon, Pazhoor Varghese ^a,b   Sebastian, Mailadil Thomas ^a  

^a REGIONAL RESEARCH LABORATORY CSIR   (India)

^b ROYAL MILITARY COLLEGE OF CANADA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

CALCIUM COMPOUNDS; CRYSTAL MICROSTRUCTURE; MICROWAVES; PERMITTIVITY; WIRELESS TELECOMMUNICATION SYSTEMS;

IONIC RADIUS; MICROWAVE TELECOMMUNICATION; RESONANT FREQUENCY; SOLID-STATE CERAMIC;

DIELECTRIC MATERIALS;

EID: 33846665446     PISSN: 1546542X     EISSN: 17447402     Source Type: Journal    
DOI: 10.1111/j.1744-7402.2007.02120.x     Document Type: Article

References (37)

1. W. Wersing, Electronic Ceramics. ed. by B. C. H. Steele. Elsevier, Amsterdam, 67, 1991.
2. P. K. Davies, "Materials and Processes for Wireless Communication," Ceramic Transactions, 53. ed. by T. Negas and H. Ling. American Ceramic Society, Westerville, OH, 137, 1995.
3. M. T. Sebastian and N. McN. Alford. Internet data, URL: http://www.lsbu.ac.uk/dielectric-materials
4. R. H. Mitchell, Perovskite Modern and Ancient, Almaz Press, Thunder Bay, ON, Canada, 2002.
5. 3 Ceramics with Temperature Stable High Dielectric Constant and Low Microwave Loss," Jpn. J. Appl. Phys., 21 624-626 (1982).
6. 3 Ceramics with Low Dielectric Loss at Microwave Frequencies," J. Am. Ceram. Soc., 66 421-423 (1983).
7. 12: Low Temperature Coefficient Low Loss Dielectric Materials," Mater. Res. Bull., 34 355-362 (1999).
8. 12," J. Eur. Ceram. Soc., 21 2653-2658 (2001).
9. 3: Phase Equilibria and Microstructure," J. Solid State Chem., 160 257-271 (2001).
10. 12 (A=Nb, Ta) Ceramic Dielectric Materials for Applications in Microwave Telecommunication Systems," Jpn. J. Appl. Phys., 41 3384-3385 (2002).
11. 12 System," Mater. Lett., 57 1380-1384 (2003).
12. 12 (A=Nb, Ta) System," J. Mater. Res., 19 2922-2928 (2004).
13. 12 by Zr Doping," Matter. Res. Bull., 34 1817-1824 (1999).
14. 12 [A=Nb, Ta] Ceramics: Microwave Dielectric Properties and Vibrational Spectroscopic Analysis," J. Appl. Phys., 97 104108 (2005).
15. P. V. Bijumon and M. T. Sebastian, Proceedings of the Microwave Materials and Applications [MMA-2004], Inuyama, Japan, October 25-28, 2004, p. 182.
16. P. V. Bijumon, S. K. Menon, P. Mohanan, and M. T. Sebastian, "Enhanced Bandwidth Microstrip Patch Antennas Loaded with High Permittivity Dielectric Resonators," Microwave Opt. Technol. Lett., 35 327-330 (2002).
17. S. Mridula, S. K. Menon, P. Mohanan, P. V. Bijumon, and M. T. Sebastian, "Characteristics of a Microstrip Excited High-Permitivity Rectangular Dielectric Resonator Antenna," Microwave Opt. Technol. Lett., 40 316-318 (2004).
18. S. K. Menon, B. Lethakumary, P. V. Bijumon, M. T. Sebastian, and P. Mohanan, "Wideband Cylindrical Dielectric Resonator Antenna Excited Using an L-Strip Feed," Microwave Opt. Technol. Lett., 42 293-294 (2004).
19. P. V. Bijumon, S. K. Menon, M. N. Suma, M. T. Sebastian, and P. Mohanan, "Broad Band Cylindrical Dielectric Resonator Antenna Excited with Modified Microstrip Line," Electron. Lett., 41 [7] 385-387 (2005).
20. 4 Dielectric Ceramics," Ceram. Trans., 53 153-167 (1995).
21. w Addition," J. Am. Ceram. Soc., 85 165-168 (2002).
22. 2/3)," Jpn. J. Appl. Phys., 38 5616-5620 (1999).
23. 3 Ceramics," Jpn. J. Appl. Phys., 44 298-303 (2005).
24. D.-W. Kim, K. H. Ko, and K. S. Hong, "Influence of Copper(II) Additions to Zinc Niobates Microwave Ceramics on Sintering Temperature and Dielectric Properties," J. Am. Ceram. Soc., 84 1286-1290 (2001).
25. B. W. Hakki and P. D. Coleman, "A Dielectric Resonator Method of Measuring Inductive Capacitance in the Millimeter Range," IRE Trans. Microwave Theory Tech., MTT-8 402-410 (1960).
26. W. E. Courtney, "Analysis and Evaluation of a Method of Measuring the Complex Permittivity and Permeability of Microwave Insulators," IEEE Trans. Microwave Theory Tech., MTT-18 476-485 (1970).
27. J. Krupka, K. Derzakowski, B. Riddle, and J. B. Jarvis, "A Dielectric Resonator for Measurements of Complex Permittivity of Low Loss Dielectric Materials as Function of Temperature," Meas. Sci. Technol., 9 1751-1756 (1998).
28. R. D. Shannon, "Revised Effective Ionic Radii and Systematic Studies of Interatomic Distances in Halides and Chalcogenides," Acta Cryst., 32A 51-67 (1976).
29. 3," J. Mater. Sci., 34 625-628 (1999).
30. 3 Ceramics on Sintering Behavior and Microwave Dielectric Properties," Mater. Res. Bull., 39 629-636 (2004).
31. M. F. Yan, Solid State Sintering, Advances in Ceramics, Ceramic Powder Science, Vol. 21. American Ceramic Society, Westerville, OH, 635, 1987.
32. P. K. Davies, A. Borisevich, and M. Thirumal, "Communicating with Wireless Perovskites: Cation Order and Zinc Volatilization," J. Eur. Ceram. Soc., 23 2461-2466 (2003).
33. V. L. Gurevich and A. K. Tagnsev, "Intrinsic Dielectric Loss in Crystals," Adv. Phys., 40 719-767 (1991).
34. 12 (A=Mg, Zn, Ni, and Co; B=Nb and Ta) Ceramic Resonators," J. Appl. Phys., 98 124105 (2005).
35. 14 Hz," Ferroelectrics, 93 77-85 (1989).
36. 3 High-Q Dielectric Resonator," Jpn. J. Appl. Phys., 30 2347-2349 (1991).
37. 3 Ceramics," J. Appl. Phys., 98 094114 (2005).