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[文献書誌] T.Takenaka, T.Okuda, N.Kondo and K.Sakata: "Low-lead-content Piezoelectric Ceramics Based on(Bi_<1/2>Na_<1/2>)TiO_3-NaNbO_3-PbTiO_3" Proc.the 10th IEEE Internationsal Symposium on Applications of Ferroelectrics. IEEE Catalog No.96CH35948. 259-262 (1997)
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[文献書誌] T.Takenaka, T.Okuda and K.Takegahara: "Lead-Free Piezo-electric Ceramics Based on(Bi_<1/2>Na_<1/2>)TiO_3-NaNbO_3" Ferroelectrics. 196. 175-178 (1997)
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[文献書誌] H.Nagata and T.Takanaka: "Lead-Free Piezoelectric Ceramics of(Bi_<1/2>Na_<1/2>)TiO_3-1/2(Bi_2O_3・Sc_2O_3)System" Jpn.J.Appl.Phys. 36,Part 1,No.9B. 6055-6057 (1997)
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[文献書誌] T.Takenaka and T.Sasaki: "New Bismuth Layer-Structured Ferroelectrics with Niobium Ions as B-site" Ferroelectrics. 201. 117-126 (1997)
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[文献書誌] 竹中正: "非鉛系圧電セラミックス" Fine Ceramics Report. 15(6). 116-120 (1997)
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[文献書誌] H.Nagata and T.Takenaka: "(Bi_<1/2>Na_<1/2>)TiO_3-based Lead-free Piezoelectric Ceramics" Proc.The 3rd International Conference on ECOMATERIALS. NRIM. 79-82 (1997)
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[文献書誌] T.Takenaka and H.Nagata: "Non-lead Piezoelectric Ceramics Based on(Bi_<1/2>Na_<1/2>)TiO_3" Extended Abstracts of The Eighth US-Japan Seminar on Dielectric and Piezoelectric Ceramics. 284-287 (1997)
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[文献書誌] H.Nagata and T.Takenaka: "(Bi_<1/2>Na_<1/2>)TiO_3-based Non-lead Piezoelectric Ceramics" J.Korean Phys.Soc.(発表予定). (1998)