Effect of BaCu(B2O5) additive on the sintering temperature and microwave dielectric properties of BaTi4O9 ceramics

Jong Bong Lim, Min Han Kim, Jae Chul Kim, Sahn Nahm, Jong Hoo Paik, Jong Hee Kim

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

BaCu(B2O5) (BCB) additive was used to decrease the sintering temperature of the BaTi4O9 ceramics. The amount of Ba4Ti13O30 second phase increased with the addition of BCB, whereas that of the BaTi4O9 phase decreased. The bulk density and dielectric constant (εr) considerably increased with the addition of BCB. An increase in the Q-value was also observed for the BaTi4O9 ceramics with a small amount of BCB. Good microwave dielectric properties with values of εr = 32, Q × f = 10800 GHz and τf = 32 ppm/°C were obtained in the BaTi4O9 ceramics with 12.0 mol % of BCB sintered at 875 °C for 2 h.

Original languageEnglish
JournalJapanese Journal of Applied Physics, Part 2: Letters
Volume45
Issue number8-11
DOIs
Publication statusPublished - 2006 Mar 10

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Dielectric properties
dielectric properties
sintering
Permittivity
Sintering
Microwaves
ceramics
microwaves
Temperature
temperature
permittivity

Keywords

  • BaCu(BO)
  • BaTiO
  • Low temperature co-fired ceramic
  • Microwave dielectric ceramic

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Effect of BaCu(B2O5) additive on the sintering temperature and microwave dielectric properties of BaTi4O9 ceramics. / Lim, Jong Bong; Kim, Min Han; Kim, Jae Chul; Nahm, Sahn; Paik, Jong Hoo; Kim, Jong Hee.

In: Japanese Journal of Applied Physics, Part 2: Letters, Vol. 45, No. 8-11, 10.03.2006.

Research output: Contribution to journalArticle

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abstract = "BaCu(B2O5) (BCB) additive was used to decrease the sintering temperature of the BaTi4O9 ceramics. The amount of Ba4Ti13O30 second phase increased with the addition of BCB, whereas that of the BaTi4O9 phase decreased. The bulk density and dielectric constant (εr) considerably increased with the addition of BCB. An increase in the Q-value was also observed for the BaTi4O9 ceramics with a small amount of BCB. Good microwave dielectric properties with values of εr = 32, Q × f = 10800 GHz and τf = 32 ppm/°C were obtained in the BaTi4O9 ceramics with 12.0 mol {\%} of BCB sintered at 875 °C for 2 h.",
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AU - Lim, Jong Bong

AU - Kim, Min Han

AU - Kim, Jae Chul

AU - Nahm, Sahn

AU - Paik, Jong Hoo

AU - Kim, Jong Hee

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