Structural Variation and Microwave Dielectric Properties of ZrO2 Added Ba(Zn1/3Ta2/3)O3 Ceramics

Jung In Yang, Sahn Nahm, Seok Jin Yoon, Hyun Min Park, Hwack Joo Lee

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Ba(Zn1/3Ta2/3)O3 (BZT) ceramic has 1: 2 ordered hexagonal structure, but was destroyed with the addition of ZrO 2. The 1: 1 ordered cubic structure was developed when a large amount of ZrO2 was added. BZT has a porous and inhomogeneous microstructure with a Ba5Ta4O15; second phase. When ZrO 2 was added, a new Ba0.5TaO3 second phase formed and grain growth occurred. Presence of liquid phase which is related to the Ba0.5TaO3 second phase could be responsible for the grain growth. Q value of BZT was greatly enhanced with the addition of ZrO 2. The improvement of Q value can be explained by the increase of relative density and grain size. Especially, grain size is considered to be one of the crucial factors for the improvement of Q value of BZT ceramic.

Original languageEnglish
Pages (from-to)211-214
Number of pages4
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume43
Issue number1
Publication statusPublished - 2004 Jan 1

Fingerprint

Grain growth
Dielectric properties
dielectric properties
Microwaves
ceramics
microwaves
grain size
Microstructure
liquid phases
Liquids
microstructure

Keywords

  • 1:2 ordering
  • Ba(ZnTa)O
  • Liquid phase
  • Q value
  • ZrO

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Structural Variation and Microwave Dielectric Properties of ZrO2 Added Ba(Zn1/3Ta2/3)O3 Ceramics. / Yang, Jung In; Nahm, Sahn; Yoon, Seok Jin; Park, Hyun Min; Lee, Hwack Joo.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 43, No. 1, 01.01.2004, p. 211-214.

Research output: Contribution to journalArticle

@article{34fc6ab312024169bcf378e7e1c42c4f,
title = "Structural Variation and Microwave Dielectric Properties of ZrO2 Added Ba(Zn1/3Ta2/3)O3 Ceramics",
abstract = "Ba(Zn1/3Ta2/3)O3 (BZT) ceramic has 1: 2 ordered hexagonal structure, but was destroyed with the addition of ZrO 2. The 1: 1 ordered cubic structure was developed when a large amount of ZrO2 was added. BZT has a porous and inhomogeneous microstructure with a Ba5Ta4O15; second phase. When ZrO 2 was added, a new Ba0.5TaO3 second phase formed and grain growth occurred. Presence of liquid phase which is related to the Ba0.5TaO3 second phase could be responsible for the grain growth. Q value of BZT was greatly enhanced with the addition of ZrO 2. The improvement of Q value can be explained by the increase of relative density and grain size. Especially, grain size is considered to be one of the crucial factors for the improvement of Q value of BZT ceramic.",
keywords = "1:2 ordering, Ba(ZnTa)O, Liquid phase, Q value, ZrO",
author = "Yang, {Jung In} and Sahn Nahm and Yoon, {Seok Jin} and Park, {Hyun Min} and Lee, {Hwack Joo}",
year = "2004",
month = "1",
day = "1",
language = "English",
volume = "43",
pages = "211--214",
journal = "Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes",
issn = "0021-4922",
publisher = "Japan Society of Applied Physics",
number = "1",

}

TY - JOUR

T1 - Structural Variation and Microwave Dielectric Properties of ZrO2 Added Ba(Zn1/3Ta2/3)O3 Ceramics

AU - Yang, Jung In

AU - Nahm, Sahn

AU - Yoon, Seok Jin

AU - Park, Hyun Min

AU - Lee, Hwack Joo

PY - 2004/1/1

Y1 - 2004/1/1

N2 - Ba(Zn1/3Ta2/3)O3 (BZT) ceramic has 1: 2 ordered hexagonal structure, but was destroyed with the addition of ZrO 2. The 1: 1 ordered cubic structure was developed when a large amount of ZrO2 was added. BZT has a porous and inhomogeneous microstructure with a Ba5Ta4O15; second phase. When ZrO 2 was added, a new Ba0.5TaO3 second phase formed and grain growth occurred. Presence of liquid phase which is related to the Ba0.5TaO3 second phase could be responsible for the grain growth. Q value of BZT was greatly enhanced with the addition of ZrO 2. The improvement of Q value can be explained by the increase of relative density and grain size. Especially, grain size is considered to be one of the crucial factors for the improvement of Q value of BZT ceramic.

AB - Ba(Zn1/3Ta2/3)O3 (BZT) ceramic has 1: 2 ordered hexagonal structure, but was destroyed with the addition of ZrO 2. The 1: 1 ordered cubic structure was developed when a large amount of ZrO2 was added. BZT has a porous and inhomogeneous microstructure with a Ba5Ta4O15; second phase. When ZrO 2 was added, a new Ba0.5TaO3 second phase formed and grain growth occurred. Presence of liquid phase which is related to the Ba0.5TaO3 second phase could be responsible for the grain growth. Q value of BZT was greatly enhanced with the addition of ZrO 2. The improvement of Q value can be explained by the increase of relative density and grain size. Especially, grain size is considered to be one of the crucial factors for the improvement of Q value of BZT ceramic.

KW - 1:2 ordering

KW - Ba(ZnTa)O

KW - Liquid phase

KW - Q value

KW - ZrO

UR - http://www.scopus.com/inward/record.url?scp=1842760503&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=1842760503&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:1842760503

VL - 43

SP - 211

EP - 214

JO - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes

JF - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes

SN - 0021-4922

IS - 1

ER -