Oxygen-octahedral phonon properties of x BaTiO3 + (1-x) Ba (Mg13 Ta23) O3 and xCa (Sc12 Nb12) O3 + (1-x) Ba (Sc12 Nb12) O3 microwave ceramics

Chih Ta Chia; Pi Jung Chang; Mei Yu Chen; I. Nan Lin; Hiroyuki Ikawa; L. J. Lin

doi:10.1063/1.2719285

Oxygen-octahedral phonon properties of x BaTiO3 + (1-x) Ba (Mg13 Ta23) O3 and xCa (Sc12 Nb12) O3 + (1-x) Ba (Sc12 Nb12) O3 microwave ceramics

Chih Ta Chia^*, Pi Jung Chang, Mei Yu Chen, I. Nan Lin, Hiroyuki Ikawa, L. J. Lin

^*此作品的通信作者

物理學系

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

16 引文斯高帕斯（Scopus）

摘要

Oxygen-octahedral A1g (O) phonons for both 1:2 ordered x BaTiO3 + (1-x) Ba (Mg13 Ta23) O3 (0≤x≤:0.05) and 1:1 ordered xCa (Sc12 Nb12) O3 + (1-x) Ba (Sc12 Nb12) O3 (0≤x≤:0.25) ceramics were investigated using Raman scattering. Lineshapes of A1g (O) phonons directly reflect structural characteristic of TiO6, TaO6, ScO6, and NbO6 octahedral cages that are strongly correlated with microwave performance of the samples. The larger width of stretching A1g (O) phonon, implies poor crystalline structure and short phonon lifetime, giving us lower value of Q×f. The atomic polarizabilities of Ta5+, Ti4+, Ca2+, Sc3+, and Nb5+ have a strong influence on the structure of oxygen octahedron that dominates microwave performance of x BaTiO3 + (1-x) Ba (Mg13 Ta23) O3 and xCa (Sc12 Nb12) O3 + (1-x) Ba (Sc12 Nb12) O3 ceramics.

原文	英語
文章編號	084115
期刊	Journal of Applied Physics
卷	101
發行號	8
DOIs	https://doi.org/10.1063/1.2719285
出版狀態	已發佈 - 2007

ASJC Scopus subject areas

一般物理與天文學

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title = "Oxygen-octahedral phonon properties of x BaTiO3 + (1-x) Ba (Mg13 Ta23) O3 and xCa (Sc12 Nb12) O3 + (1-x) Ba (Sc12 Nb12) O3 microwave ceramics",

abstract = "Oxygen-octahedral A1g (O) phonons for both 1:2 ordered x BaTiO3 + (1-x) Ba (Mg13 Ta23) O3 (0≤x≤:0.05) and 1:1 ordered xCa (Sc12 Nb12) O3 + (1-x) Ba (Sc12 Nb12) O3 (0≤x≤:0.25) ceramics were investigated using Raman scattering. Lineshapes of A1g (O) phonons directly reflect structural characteristic of TiO6, TaO6, ScO6, and NbO6 octahedral cages that are strongly correlated with microwave performance of the samples. The larger width of stretching A1g (O) phonon, implies poor crystalline structure and short phonon lifetime, giving us lower value of Q×f. The atomic polarizabilities of Ta5+, Ti4+, Ca2+, Sc3+, and Nb5+ have a strong influence on the structure of oxygen octahedron that dominates microwave performance of x BaTiO3 + (1-x) Ba (Mg13 Ta23) O3 and xCa (Sc12 Nb12) O3 + (1-x) Ba (Sc12 Nb12) O3 ceramics.",

author = "Chia, {Chih Ta} and Chang, {Pi Jung} and Chen, {Mei Yu} and Lin, {I. Nan} and Hiroyuki Ikawa and Lin, {L. J.}",

note = "Funding Information: The work was supported by the National Science Council under Grant Nos. NSC-95–2112-M-003–001 and NSC-95–2627-M-003–003.",

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T1 - Oxygen-octahedral phonon properties of x BaTiO3 + (1-x) Ba (Mg13 Ta23) O3 and xCa (Sc12 Nb12) O3 + (1-x) Ba (Sc12 Nb12) O3 microwave ceramics

AU - Chia, Chih Ta

AU - Chang, Pi Jung

AU - Chen, Mei Yu

AU - Lin, I. Nan

AU - Ikawa, Hiroyuki

AU - Lin, L. J.

N1 - Funding Information: The work was supported by the National Science Council under Grant Nos. NSC-95–2112-M-003–001 and NSC-95–2627-M-003–003.

PY - 2007

Y1 - 2007

N2 - Oxygen-octahedral A1g (O) phonons for both 1:2 ordered x BaTiO3 + (1-x) Ba (Mg13 Ta23) O3 (0≤x≤:0.05) and 1:1 ordered xCa (Sc12 Nb12) O3 + (1-x) Ba (Sc12 Nb12) O3 (0≤x≤:0.25) ceramics were investigated using Raman scattering. Lineshapes of A1g (O) phonons directly reflect structural characteristic of TiO6, TaO6, ScO6, and NbO6 octahedral cages that are strongly correlated with microwave performance of the samples. The larger width of stretching A1g (O) phonon, implies poor crystalline structure and short phonon lifetime, giving us lower value of Q×f. The atomic polarizabilities of Ta5+, Ti4+, Ca2+, Sc3+, and Nb5+ have a strong influence on the structure of oxygen octahedron that dominates microwave performance of x BaTiO3 + (1-x) Ba (Mg13 Ta23) O3 and xCa (Sc12 Nb12) O3 + (1-x) Ba (Sc12 Nb12) O3 ceramics.

AB - Oxygen-octahedral A1g (O) phonons for both 1:2 ordered x BaTiO3 + (1-x) Ba (Mg13 Ta23) O3 (0≤x≤:0.05) and 1:1 ordered xCa (Sc12 Nb12) O3 + (1-x) Ba (Sc12 Nb12) O3 (0≤x≤:0.25) ceramics were investigated using Raman scattering. Lineshapes of A1g (O) phonons directly reflect structural characteristic of TiO6, TaO6, ScO6, and NbO6 octahedral cages that are strongly correlated with microwave performance of the samples. The larger width of stretching A1g (O) phonon, implies poor crystalline structure and short phonon lifetime, giving us lower value of Q×f. The atomic polarizabilities of Ta5+, Ti4+, Ca2+, Sc3+, and Nb5+ have a strong influence on the structure of oxygen octahedron that dominates microwave performance of x BaTiO3 + (1-x) Ba (Mg13 Ta23) O3 and xCa (Sc12 Nb12) O3 + (1-x) Ba (Sc12 Nb12) O3 ceramics.

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Oxygen-octahedral phonon properties of x BaTiO3 + (1-x) Ba (Mg13 Ta23) O3 and xCa (Sc12 Nb12) O3 + (1-x) Ba (Sc12 Nb12) O3 microwave ceramics

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