References
- Takagi , Y. and Tanaka , T. , eds. 1990 . Wonderful Story of Barium Titanate Maruzen (in Japanese)
- Nakamura , T. , ed. 1988 . Ferroelectrics and Structural Phase Transitions Shoukabou (in Japanese)
- Axe , J. D. , Maudden , A. H. , Hohlwein , D. , Cox , D. E. , Monhanty , K. M. , Moodenbaugh , A. R. and Xu , Y. 1989 . Phys. Rev. Lett. , 62 : 2751
- Yamaguchi , H. , Yamada , A. , Uwe , H. and Sakudo , T. 1991 . Phys. Rev. , B43 : 4473
- Slater , J. C. 1950 . Phys. Rev. , 78 : 748
- Migoni , R. , Bilz , H. and Bäuerle , D. 1976 . Phys. Rev. Lett. , 37 : 1155 This anharmonicity, however, may be better attributed to the coupling of the soft mode with some other phonon modes
- Tolerance factor t for the perovskite type ABO3 crystal is defined by (rA + rO ) = t √2 (rB + rO ), where r stands for the ionic radii. For A ∼ Ba2+, Sr2+, Ca2+, the values of rA are respectively, 1.60, 1.44, 1.35 (in å, for 12 coordination). rB is 0.61 å for B ∼ Ti4+, and rO is 1.40 å
- Mitsui , T. and Westphal , W. B. 1961 . Phys. Rev. , 124 : 1354
- Müller , K. A. 1985 . Jap. J. Appl. Phys. , 24 : 89 Suppl. 24–2
- Rytz , D. , Hochli , U. T. and Bilz , H. 1980 . Phys. Rev. , B22 : 359
- Hidaka , T. private communication
- Their crystal structures are not of the perovskite-type
- Kobayashi , J. , Uesu , Y. and Sakemi , Y. 1983 . Phys. Rev. , B28 : 3866
- Sakudo , T. , Hasebe , K. , Ishizuka , T. , Unoki , H. and Oka , K. 1981 . Jpn. J. Appl. Phys. , 20 : 47 Suppl. 20–4
- Inoue , A. , Iha , M. , Matsuda , I. , Uwe , H. and Sakudo , T. 1991 . Jpn. J. Appl. Phys. , 30 : 2388
- Uwe , H. and Sakudo , T. 1983 . Ferroelectrics , 52 : 205
- Siegel , E. and Müller , K. A. 1979 . Phys. Rev. , B32 : 3587
- Hidaka , T. Ferroelectrics , this issue
- Hidaka , T. and Oka , K. 1990 . Phys. Rev. , B42 : 8295