2. 誘電体   Dielectrics

I.                酸素八面体型  Oxygen octahedral type

1. Pervskite structure

1.1             BaTiO3 , BT (ferroelectric and ferroelastic crystals)

1.  T. Nakamura, Y. Tominaga, M. Udagawa, S. Kojima and M. Takashige, Solid State Commun.　32　(1979) 95 ,  "Light Scattering Studies on Structural Phase Transitions"

2. M. S. Jang and S. Kojima, T. Nakamura and M. Takashige , Ferroelectrics 37 (1981) pp.717-720., "Angular Dependence of Raman Scattering Spectra in BaTiO3 "

3. S. Kojima and T. Nakamura, Ferroelectrics 37 (1981) pp.677-680., "Low Frequency Phonon Polaritons in Several Ferroelectrics"

4. T. Nakamura, S. Kojima, M. S. Jang, M. Takashige and S. Itoh, J. de Physique 42 (1981) C6-418

　　"E(x)-A1(z) Oblique Phonons in Tetragonal BaTiO3 "

5. M. S. Jang, M. Takashige, S. Kojima and T. Nakamura, J. Phys. Soc. Jpn. 52 (1983) 1025

　"Oblique Phonons with Special Concern to the Soft Mode Phonon in Tetragonal BaTiO3 "

6. S. Hamazaki, F. Shimizu, S. Kojima and M. Takashige, J. Phys. Soc. Jpn. 64 (1995) pp.3660-3663.

　　"AFM Observation of 90o Domains of BaTiO3 Butterfly Crystals"

7. B. Y. Zhang, F. M. Fuming, Y. Yang, Q. R. Yin, and S. Kojima, J. Appl. Phys. 80 (1996) 1916-1918. "Electron Acoustic Imaging of BaTiO3 single crystals"

8. S. Kojima, Y. Ikeuchi, and Q. R. Yin, Jpn. J. Appl. Phys. 35 (1996) 5192-5195. "Raman Scattering Sudy of Cubic to Tetragonal Phase Transition of Mixed System AxBa1-xTiO3",  

9. M. Takashige and S. Kojima, Jpn. J. Appl. Phys. 35 (1996) 5181-5184. "Atomic Force Microscope Observation of Ferroelectrics"

10. M. Takashige, S. Hamazaki, F. Shimizu and S. Kojima,　Ferroelectrics 196  (1997) pp.211-214. "Observation of 90 Domains in BaTiO3 by Atomic Force Microscopy "

11. F. M. Jiang, S. Kojima, B. Y. Zhang, and Y. Q. Rui, Proc. of World Congress on Ultrasonics, Yokohama, 1997, pp.220-221. "A New Method of Directly Observing Domain Structures of BaTiO3 Single Crystal by Scanning Electron Acoustic Microscope"

12. M. Takashige, S.Hamazaki, N.Fukurai, N.Tashiro,F.Shimizu and S.Kojima, J. Phys. Soc. Jpn.  66 (1997) pp.2272-2275. "AFM Observation of 90o Domains of BaTiO3 under Application of an Electric Fields "

13. F. M. Jiang, S. Kojima,  B. Y. Zhang, and Y. Q. Rui, Ferroelectrics, 217 (1998)　pp.335-343. "Application of SEAM and SAM to Ferroelectric and Ferroelastic Crystals""

1.2 PbTiO3 , PT (ferroelectric and ferroelastic crystals)

1. H. J. Joo, SW. H. Lee, J. H. No, S. Kojima, C. C. Chou, H. K. Kim and M. S. Jang,  Jpn. J. Appl. Phys. 42 (2003) pp.1292-1296. “Raman Study of Effects of Hydrogen Gas Annealing on PbTiO3 Crystals”.

 

1.3 Pb(ZrTi)O3 , PZT (ferroelectric and ferroelastic crystals)

1.                   X. L. Dong and S. Kojima, J. Phys. Conden. Matter. 9（1997）L171-L177. "Dielectric and resonance frequency investigations of phase transitions in Nb-doped PZT95/5 and 75/25 ceramics"

1.2. X. L. Dong and S. Kojima, Jpn. J. Appl. Phys. 36  (1997) 2989. "Dynamical Properties of the FR(LT)-FR(HT) Phase Transition in Zr-Rich Lead ZirconateTitanate Ceramics"

1.3. Y. Ikeuchi, S. Kojima and T. Yamamoto, Jpn. J. Appl. Phys. 36  (1997) 2985.

1."Raman Scattering Study of Cubic to Tetragonal Phase Transitions of Ti-Rich Pb(ZrxTi1-x)O3"

1.4. S. Zhang, D. Xianlin and S. Kojima, Jpn. J. Appl. Phys. 36 (1997) 2994. "Temperature Dependence of Dielectric, Elastic and Piezoelectric Properties of Pb(ZrxTi1-x)O3"

5. D. Xianlin and S. Kojima,  Ferrolelctrics 203 (1997) pp.269-278. " Structural Phase Transitions in Zr-rich Pb(Zr1-xTix) O3 Ceramics"

6. X.L.Dong and S.Kojima, J. Korean Phys. Soc. 32 (1998) S1019-S1121. "Anomaly in Elastic Properties of FR(LT)-FR(HT) Phase Transition in PZT75/25 Ceramics"

7. S.Kojima and X.L.Dong, Jpn. J. Appl. Phys. 37 (1998) pp.5400-5405.  "Raman scattering studies of phase transitions in Nb doped PZT95/5 and 75/25 ceramics"

8. S. Kojima , N. Ohta and X.L.Dong, Jpn. J. Appl. Phys. 38 (1999) pp.5674-5678. "Stability of Antiferroelectric and Ferroelectric Phases in Low Ti Concentration PbZr1-xTixO3"

1.4 PbLa(ZrTi)O3 , PLZT (relaxor ferroelectric ceramics)

1. F. Jiang and S. Kojima, Jpn. J. Appl. Phys. 39 (2000) pp.5705-5710. "Study of Three Different Relaxor Ferroelectrics by High Resolution Micro-Brillouin Scattering"

2. G. Shabbir, J. H. Ko, S. Kojima and Q. Yin, Appl. Phys. Lett. 82 (2003) pp.4694-4698. “Acoustic properties of PLZT relaxor ferroelectric ceramics studied by Brillouin scattering”

3. G. Shabbir and S. Kojima, Europhysics Lett. 63 (2003) pp.388-393. “Brillouin scattering study of La-modified lead zirconate titanate relaxor”

 

1.5 Pb(ZnNb)O3-PbTiO3 , PZT-PT (relaxor ferroelectric crystals)

1. F. Jiang and S.Kojima, Jpn. J. Appl. Phys. 38 (1999) pp.5128-5132. "Raman scattering and heat capacity study of relaxor PZN-PT"

2. F.Jiang and S. Kojima, Ferroelectrics, 57 (1999) pp.697-702. "Raman Scattering Study of 0.91Pb(Zn1/3Nb2/3)O3-0.09PbTiO3 Relaxor Ferroelectric Crystals"

3. F. Jiang and S. Kojima, Ferroelectrics 266 (2002) pp.355-362. "Micro-Brillouin scattering and central peaks of 0.91PZN-0.09PT crystals"

4. J. H. Ko and S. Kojima, Appl. Phys. Lett. 81 (2002) pp.1077-1079. "Electric-field effect of Pb[Zn(1/3)Nb(2/3)(0.91)(Ti(0.09)) by micro-Brilouin scattering "

5. J. -H. Ko and S. Kojima, J. Korean Phys. Soc. 42 (2003) pp.S1298-S1301. “Polarization rotation in the relaxor ferroelectric PZNT studied by micro-Brillouin scattering”

6. J. -H. Ko, D.-H. Kim and S. Kojima, Appl. Phys. Lett. 83 (2003) pp.2037-2039.

“Elastic response to different electric-field direction in relaxor ferroelectric PZNT single crystals”

 

1.6 Pb(MgNb)O3-PbTiO3 , PMT-PT (relaxor ferroelectric crystals)

1. F. Jiang and S. Kojima, Appl. Phys. Lett. 77 (2000) pp.1271-1273. "Micro-heterogeneity and relaxation in 0.65PMN-0.35PT relaxor single crystals"

2. F. Jiang and S. Kojima, Phys. Rev. B 62 (2000) pp.8572-8575. "Relaxation mode in 0.65PMN-0.35PT relaxor single crystals studied by micro-Brillouin scattering"

3. F. Jiang and S. Kojima, Jpn. J. Appl. Phys. 39 (2000) pp.5705-5710. "Study of Three Different Relaxor Ferroelectrics by High Resolution Micro-Brillouin Scattering"

4. S. Kojima and F. Jiang, AIP Proc., Proc. Wiliamsburg, 582 (2001) pp.61-67. "Broadband Brillouin scattering of some ralxor ferroelectrics "

1.7 Pb(MgNb)O3 , PMN (relaxor)

1. F. Jiang, S. Kojima, C. Zhao and C. Feng, J. Appl. Phys. 88 (2000) pp.3608-3612. "Raman scattering on the B-site order controlled by A-site substitution in relaxor Perovskite ferroelectrics"

2. F. Jiang, S. Kojima, C. Zhao and C. Feng, Appl. Phys. Lett. 79 (2001) pp.3938-3990. "Chemical ordering in lanthanum-doped lead mangnesium niobate relaxor ferroelectrics probed by A1g Raman mode"

3. J. H. Ko, S. Kojima and S. G. Lushnikov, Appl. Phys. Lett. 82 (2003) pp.4128-4130. “Different dynamic behaviors of PMT and BMT single crystals studied by micro-Brillouin scattering and dielectric spectroscopy”

 

1.8 Pb(ScTa)O3 , PST (relaxor)

1.                       J. H. Ko, F. Jiang, S. Kojima, T. A. Shaplygina and S. G. Lushnikov, J. Phys. : Condens. Matter 13 (2001) pp.5449-5462. “Linear and nonlinear dielectric susceptibilities of the disordered lesad scandium tantalite”

1.2. F. Jiang, J. H. Ko, S. Kojima, T. A. Shaplygina and S. G. Lushnikov, Jpn. J. Appl. Phys. 41 (2001) pp.5823-5827. "Dynamical Properties of PST probed by micro-Brillouin scattering"

1.3. S. Lushnikov, F. M. Jiang and S. Kojima, Solid State Comm. 122 (2002) pp.129-133. "Central peaks in the vibrational spectrum of the relaxor ferroelectric lead scandium tantalate"

1.

1.9   Pb(YbTi)O3 (relaxor)

1. J. H. Ko, D. H. Kim, S. Kojima, J. H. Kim and W. K. Choo, Jpn. J. Appl. Phys. 42 (2003) pp.3076-3079. “Brillouin scattering study on polycrystalline relaxor ferroelectrics”

 

1.10 Ba(MgTa)O3, BMT

1. J. H. Ko, S. Kojima and S. G. Lushnikov, Appl. Phys. Lett. 82 (2003) pp.4128-4130. “Different dynamic behaviors of PMT and BMT single crystals studied by micro-Brillouin scattering and dielectric spectroscopy”

 

1.11 KIO3 (ferroelectric and ferroelastic crystals)

1. M.Ahart, S.Kojima, M. Takagi, M.Maeda and I Suzuki, Jpn. J. Appl. Phys. 37 (1998) pp.5687-5690. "Soft Modes Responsible for a-b and b-g Phase Transitions of KIO3 crystals"

2. M.Ahart, S.Kojima, M. Takagi, M.Maeda and I Suzuki, Proc. of ICORS, Beijing, 2000, pp.490-491. "Temperature dependence of the high frequency Raman phonon relate to the a-b and b-g　Phase Transitions of KIO3 crystals"

 

2.  layered perovskite structure

2.1 CaBi2Ta2O9, CaBi2Nb2O9, SrBi2Ta2O9(SBT), SrBi2Nb2O9, BaBi2Ta2O9(SBT), BaBi2Nb2O9, PbBi2Ta2O9(SBT), PbBi2Nb2O9 , (ferroelectric and ferroelastic crystals)

1.                       S. Kojima, K. Sakata and K.Honnma, Ferroelectrics 185 (1996) 173-176. "Raman scattering Study of Ferroelectric Phase Transition in PbBi2Nb2O9 Single Crystal"

1.2. S.Kojima, J. Phys.: Condens. Matter, 10 (1998) L327-332. "Optical Mode Softening in SrBi2Ta2O9 and Related Materials"

1.3. S.Kojima and I.Saitoh, Physica. B 263-264 (1999) pp.653-656. "Soft phonon and bismuth content in ferroelectric SrBi2Ta2O9"

4. S. Kojima and I.Saitoh, Proc. IEEE　ISAF, 98CH36245 (1999) pp.471-474. "Optical Mode Softening of Ferroelectric SrBi2(NbxTa1-x)2O9 System"

5. A. Onodera, K/ Yoshio, C. C. Myint, S. Kojima, H. Yamashita and T. Takao, Jpn. J. Appl. Phys. 38 (1999) pp.5683-5686. "Thermal Properties and Phase Transitions in Layered Perovskite SBT"

6. S. Kojima, Ferroelectrics 239 (2000) pp.55-62. "Raman Spectroscopy of Bismuth Layer Structured Ferroelctrics"

7. A. Onodera, K. Yoshio, C. C. Myint, M. Tanaka, K. Hironaka and S. Kojima, Ferroelectrics 239 (2000) pp.159-166. "Thermal Behavior in Ferroelectric SrBi2Ta2O9 Thin Films"

8. A. Onodera, T.Kubo, K.Yoshio, S. Kojima, H. Yamashita and T. Takama , Jpn. J. Appl. Phys. 39 (2000) pp.5711-5715."Crystal Structure of High-temperature Paraelectric Phase in Bi-Layered Perovskite Sr0.85Bi2.1Ta2O9"

9. J. H. Ko, H. Anwar and S. Kojima, Appl. Phys. Lett. 81 (2002) pp.4043-4045.  "Elastic anomaly and central peak in a ferroelectrioc phase transition of SrBi2Ta2O9”

2.2 Bi3TiNbO9, Bi3TiTaO9 (ferroelectric and ferroelastic crystals)

1. I.Saitoh and S.Kojima, Ferroelectrics, 217 (1998) pp.83-89. "Softening of Low-Frequency Modes in Ferroelectric Bi3TiNbO9 and Bi3TiTaO9"

2. S. Kojima, Ferroelectrics 239 (2000) pp.55-62. "Raman Spectroscopy of Bismuth Layer Structured Ferroelctrics"

2.3 Bi4Ti3O12 (ferroelectric and ferroelastic crystals)

1. S. Kojima, R. Imaizumi, S. Hamazaki and M. Takashige, Jpn. J. Appl. Phys. 33 (1994) pp.5559-5564. "Raman Scattering Study of Bismuth Layer-Structure Ferroelectrics"

2. S. Kojima and S. Shimada, Physica  B219&220 (1996) 617-619. "Soft Mode Spectroscopy of Bismuth Titanate Single Crystals"

3. F. M.Jiang, S. Kojima, B. Y. Zhang, and Y. Q. Rui, Ferroelectrics, 217 (1998) pp.335-343.

"Application of Scanning Electron Acoustic Microsope to Ferroelectric and Ferroelastic Crystals"

4. F.Jiang, S. Kojima, Y. Yang, and Y. Q. Rui, Ferroelectrics, 222 (1999) pp.237-241. "Domain Observation of Ferroelectric Bi4Ti3O12 and Ferroelastic NdP5O14 Single Crystals with Scanning Electron Acoustic Microsope"

5. M. Anwar, M. S. Jang and S. Kojima, Proc. of ICORS, Beijing, 2000, pp.444-445. "Raman scattering study of ferroelectric lanthunum substituted bismuth titanate"

6. S. Kojima, N. Tsumura, M. Wada Takeda, and S. Nishizawa, Analytical Science 17 (2002) pp.i681-i684. "Far-infrared Phonon-Polariton Dispersion of Bismuth Titanate by THz Time Domain Spectroscopy"

7. M. Anwar, J. –H. Ko, S. Kojima, S. S. Lee and M. S. Jiang, J. Korean Phys. Soc. 41 (2002) pp.763-768.  "Raman scattering study of A- and B-site Substitutins in Ferroelectric Bi4Ti3O12"

8. S. Kojima, N. Tsumura, M. Wada Takeda, and S. Nishizawa, Phys. Rev. B67 (2003) 035102. "Far-infrared Phonon-Polariton Dispersion Probed by Terahertz Time Domain Spectroscopy"

9. J. -H. Ko, M. Anwar and S. Kojima, J. Korean Phys. Soc. 42 (2003) pp.S1084-S1087.“Elastic properties of bismuth layer-structured perovskite single crystals studied by Brillouin scattering”

 

2.4 CaBi4Ti4O15, SrBi4Ti4O15, BaBi4Ti4O15, PbBi4Ti4O15 (ferroelectric and ferroelastic crystals)

1.                       S. Kojima, R. Imaizumi, S. Hamazaki and M. Takashige, Jpn. J. Appl. Phys. 33 (1994) pp.5559-5564. "Raman Scattering Study of Bismuth Layer-Structure Ferroelectrics"

1.2. S. Kojima, R. Imaizumi, S. Hamazaki and M. Takashige, J. Mol. Struc. 348 (1995) pp.37-40. "Raman Scattering Study of Bismuth Layer Oxides ABi4Ti4O15"

1.

3. perovskite slab structure

3.1 Sr2Nb2O7 (ferroelectric and ferroelastic crystals)

1. S. Kojima, K. Ohi, M. Takashige, T. Nakmura and H. Kakinuma, Solid State Commun. 31 (1979) pp.755-758. , "Optical Mode Softening in The Incommensurate Phase of Sr2Nb2O7 " 

2. S. Kojima and T. Nakamura , Ferroelectrics 25 (1980) pp.589-592.　"Raman Scattering Studies on High Pressure Phase Transitions of Several Crystals"

3. S. Kojima, K. Ohi and T. Nakamura, J. Phys. Soc. Jpn. 49 (1980) Suppl.B,pp.41-42. "Raman Scattering Studies on Sr2Nb2O7 and Sr2Ta2O7 "

4. S. Kojima, M. S. Jang, K. Ohi and T. Nakamura, J. Phys. Soc. Jpn. 50 (1981) pp.2787-2788．"Polariton Dispersion and Infrared Active Soft Modes in Ferroelectric Sr2Nb2O7 "  

5. M. S. Jang, S. Kojima, K. Ohi and T. Nakamura, Ferroelectrics 38 (1981) pp.837-840. "Ferroelectric Soft Mode in Sr2Nb2O7"   

6. K. Ohi and S. Kojima, Jpn. J. Appl. Phys. 24 (1985) Suppl. 24-2, pp.817-819. "Successive Phase Transions and Their Soft Modes in Ferroelectric Sr2Nb2O7 "  

7. G. Shabbir and S. Kojima, J. Phys. D: Appl. Phys. 36 (2003) pp.1036-1039. “Acoustic and thermal properties of strontium pyroniobate crystals”

8. G. Shabbir, M. Anwar, J. -H. Ko and S. Kojima, J. Korean Phys. Soc. 42 (2003) pp.S1294-S1297. “Dynanmical properties of Sr2Nb2O7 studied by micro-Brillouin scattering and modulated differential scanning calorimetry”

 

3.2 Sr2Ta2O7 (ferroelectric and ferroelastic crystal)

1. S. Kojima, K. Ohi and T. Nakamura,Solid State Commun. 35 (1980) pp.79-81. "Soft Opic Phonon Responsible for The Structural Phase Transition in Sr2Ta207 at 170o C 

2. S. Kojima, K. Ohi and T. Nakamura, J. Phys. Soc. Jpn. 49 (1980) Suppl.B,pp.41-42. "Raman Scattering Studies on Sr2Ta207 and Sr2Ta207 " 

 

 

4.    tungsten bronze structure

4.1 Ba2NaNb5O15 , BNN or BSN (partially ferroelectric and ferroelastic crystal)

1. S. Kojima, K. Asaumi, T. Nakamura and S. Minomura, J. Phys. Soc. Jpn. 45 (1978) pp.1433-1434.

　 "Crystal-optic Observation of High-Pressure Phase Transition in Barium Sodium Niobate"

2. S. Kojima, T. Nakamura, K. Asaumi, M. Takashige and S. Minomura, Solid State Commun. 29 (1979) pp.779-782. "Raman Scattering Studies on Phase Transition in Barium Sodium Niobate at High-Pressure"

3. S. Kojima and T. Nakamura, Jpn. J. Appl. Phys. 19 (1980) pp.L609-610. "Observation of Low Frequency Polaritons in Barium Sodium Niobate"

4. S. Kojima and T. Nakamura, J. Phys. Soc. Jpn.49 (1980) Suppl.B,pp.42-43. "Raman Scattering Study of Low Frequency Phonon Polaritons in Barium Sodium Niobate"

5. S. Kojima, S. Hamazaki, M. Tsukioka and M. Takashige, J. Phys. Soc. Jpn. 62 (1993) pp.1097-1100. "Raman Scattering Study of Ba2NaNb5(1-x)Ta5xO15 "

6. M.Takashige, S.  Kojima, S. Hamazaki and M. Tsukioka, Jpn. J. Appl. Phys. 32 (1993) pp.4384-4387. "Phase Transitions of Ba2NaNb5(1-x)Ta5xO15 "　

7. S. Kojima, S. Hamazaki, M. Tsukioka an M. Takashige, Ferroelectrics, 152 (1994) pp.295-300. "Raman Scattering of Phase Transitions of Ba2NaNb5(1-x)Ta5xO15 "

8. S. Kojima, S. Hamazaki, M. Tsukioka an M. Takashige, Proc. 14th Int. Conf. Raman Spectroscopy, Hong Kong, ed. by N.T.Yu and X.Y.Li, 1994,pp.756-757."Raman Study of Ba2NaNb5(1-x)Ta5xO15"　

9. S. Hamazaki, S. Sawada, S. Kojima, M. Tsukioka and M. Takashige, J. Phys. Soc. Jpn. 64 (1995) pp.4004-4012. "Ferroelectric Properties of Tungsten-Bronze Oxides with A2A'Ta5015 type"

10. R. Mizaras, M. Takashige, J. Banys, S.Kojima, J. Grigas, S.Hamazaki, and A. Brilingas J. Phys. Soc. Jpn. 66 (1997) pp.2881-2885. "Dielectric Relaxation in Ba2NaNb5(1-x)Ta5xO15 Single Crystals"

4.2  Sr1-xBaxNb2O6 , SBN (relaxor ferroelectric crystals)

1.                       S. Kojima and T. Nakamura, Ferroelectrics 25 (1980) pp.589-592. "Raman Scattering Studies on High Pressure Phase Transitions of Several Crystals"

2. F. Jiang and S. Kojima, Jpn. J. Appl. Phys. 39 (2000) pp.5705-5710. "Study of Three Different Relaxor Ferroelectrics by High Resolution Micro-Brillouin Scattering"

3. S. Kojima and F. Jiang, AIP Proc., Proc. Wiliamsburg, 582 (2001) pp.61-67. "Broadband Brillouin scattering of some ralxor ferroelectrics "

4. J. H. Ko and S. Kojima, Ferroelectrics, 270, (2002) pp.209-214. "Dielectric and pyroelectric properties of strontium barium niobate at low temperatures"

5.       J. -H. Ko, S. Kojima, S. Lushnikov, R. S. Katiyar, T. -H. Kim and J.-H Ro, J. Appl. Phys. 92 (2002) pp.1536-1543. "Low-temperature transverse dielectric anomalies of uniaxial tungsten bronze crystals"

6. J. -H. Ko and S. Kojima, J. Kor. Phys. Soc. 41 (2002) pp.241-246. “Brillouin Scattering Study of Strontium Barium Niobate at Low Temperature”

7.       F. Jiang and S. Kojima, Phys. Rev. B 66 (2002) pp.184301-1-6. "Central peaks and Brillouin scattering in uniaxial relaxor single crystals of Sr0.61Ba0.39Nb2O6 "

8. J. H. Ko and S. Kojima, Jpn. J. Appl. Phys. 41 (2002) pp.7038-7041. “Linear and nonlinear dielectric responses of Sr0.61Ba0.39Nb2O6 single crystal”

9. J. H. Ko, D. H. Kim, S. G. Lushnikov, R. S. Katiyar and S. Kojima, Ferroelectrics 286 (2003) pp. 61-71. “Dielectric anomalies of BNSBT single crystals with tungsten bronze strudture”

 

4.3 KxLi1-xNbO3 , KLN

1. J. -H. Ko, S. Kojima, S. Lushnikov, R. S. Katiyar, T. -H. Kim and J.-H Ro, J. Appl. Phys. 92 (2002) pp.1536-1543. "Low-temperature transverse dielectric anomalies of uniaxial tungsten bronze crystals"

2. D. H. Kim, J. H. Ko, S. Kojima, T. H. Kim and J. H. Ro, J. Korean Phys. Soc. 42 (2003) pp.S1080-1083. “Brillouin scattering study of potassium lithium niobate single crystals”

 

4.4 Other tungsten bronze dielectrics

1. M. Maczka, S. Kojima, J. Hanuza and A. Pieyraszko, J. Phys. : Condens. Matter 12 (2000) pp.1691-1704. "Discovery of phase transitions in Cs6In0.5W10.5O36"

2. M. Maczka, J. Hanuza, F. Jiang and S. Kojima, J. Raman Spec. 32 (2001) pp.287-291 " Vibrational Spectra of KNbW2O9 Hexagonal Tungsten Bronze"

3. M. Maczka, A. G. Souza Filho, P. T. C. Freire, J.M. Filho, S. Kojima, J. Hanuza and A. Majchrowski, J. Raman Spec. 34 (2003) pp.199-204. “Pressure- and temperature dependent Raman studies of KNbW2O9 hexagonal tungsten bronze”

 

8.   LiNbO3, LiTaO3 structure

5.1 LiNbO3 , LN (ferroelectric crystals)

1. S. Kojima and T. Nakamura, Ferroelectrics 37 (1981) pp.677-680. "Low Frequency Phonon Polaritons in Several Ferroelectrics"

2. S. Kojima, Jpn. J. Appl. Phys. 32 (1993) pp.4373-4376. "Composition Variation of Optical Phonon Damping in Lithium Niobate Crystals"　

3. S. Kojima, Ferroelectrics, 152 (1994) pp.301-306. "Raman Scattering Study of Stoichiometric Lithium Niobate Crystal"

3.       S.Kojima, J. Korean Phys. Soc. 32 (1998) S552-S555. "Raman Scattering Study of Composition Variation in the Low-Frequency A1(z) Modes in LiNbO3"

4. S. Kojima, Ferroelectrics, 223 (1999) pp.63-70. "Order Disorder Nature of Ferroelectric Phase Transition in Stoichiometric LiNbO3 Crystal"

5. O. Y. Jeon, H. K. Kim, T. H. Kim, J. H. Ro, M. Cha and S. Kojima, J. Korean Phys. Soc. 38 (2001) pp. 138-141. "Nonlinear Optical Properties of Congruent and Li-Compensated LiNbO3 Crystals"

6. S. Kojima, N. Tsumura, H. Kitahara, M. Wada Takeda, and S. Nishizawa, Jpn. J. Appl. Phys. 41 (2002) pp.7033-7037. “Terahertz Time Domain Spectroscopy of Phonon-Polaritons in Ferroelectric Lithium Niobate Crystals“

 

5.2 LiTaO3 , LT (ferroelectric crystals)

1. S. Kojima and T. Nakamura, Ferroelectrics 52 (1983) pp.171-180.

　　"Polariton-Spectroscopy in Several Ferroelectric Crystals"

2. S. Kojima H. Kitahara, S. Nishizawa and M. Wada Takeda, Jpn. J. Appl. Phys. 42 (2003) pp.6238−6241.

“Polariton Dispesion of LiTaO3 Probed by Terahertz Time Domain Spectroscopy”

 

9.   Others

 

II.            酸素四面体型  Oxygen tetrahedral type

1.1 b-Gd2(MoO4)3 ,GMO (ferroelectric and ferroelastic crystals) ,GMO

1. S. Kojima, K. Ohi and T. Nakamura, J. Phys. Soc. Jpn. 41 (1976) pp.162-166., "Temperature Dependence of Electro-optic Coefficient and Spontaneous Birefringence of Ferroelectric Gadolinium Molybdate"

2. S. Kojima and T. Nakamura, Jpn. J. Appl. Phys. 17 (1978) pp.947-p948., "Prismatic Domain in Gd2(MoO4)3 "  

3. S. Kojima and T. Nakamura, Phys. Rev. B18 (1978) pp.453-358. "Electro-optical Properties of Gadolinium Molybdate"

4. S. Kojima and T. Nakamura, Ferroelectrics, 21 (1978) pp.351-353. "Optical Properties in Gadolinium Molybdate"

5. M. Takashige, S.Hamazaki, F.Shimizu and S.Kojima, Ferroelectrics 203 (1997) pp.221-226. "Surface Morphology of GMO by Atomic Force Microscopy "

1.2. KSc(WO4)2, KSc(MoO4)2, KAl (WO4)2 , KAl (MoO4)2 , KIn(WO4)2 , NaAl (MoO4)2 , CsBi(WO4)2, CsBi(MoO4)2 family (ferroelectric,antiferroelectric and ferroelastic crystals)

1.                       M. Maczka, S. Kojima and J. Hanuza, J. Phys. Condens. Matter. 10 (36) (1998) pp.8093-8101. "High-temperature Phase Transition in a layered Caesium-Bismuth Double Molybdate: Raman Study of Lattice Modes "      

1.2. M. Maczka, S. Kojima and J. Hanuza, J. Phys. Chem. Solids  59 (1998) 1429.  "Heat capacity measurements of the normal- incommensurate and lock-in transitions in KSc(WO4)2 and KSc(MoO4)2"

1.3.M. Maczka, S. Kojima and J. Hanuza, J. Raman Spectroscopy. 30 (1999) pp.339-345. "Raman spectroscopy of KAl(WO4)2 and NaAl(MoO4)2 single crystals"

1.4. M. Maczka, S. Kojima and J. Hanuza, J. Phys. Soc. Jpn. 68 (1999) pp.1948-1953. "Temperature dependence of Raman scattering Spectra of KSc(WO4)2 "

1.5. M. Maczka, S. Kojima and J. Hanuza, Ferroelectrics, 57 (1999) pp.165-170. "Raman and Infrared Study of Phase Transition in Potasium Scandium Double Tungstate"

6. M. Maczka, S. Kojima and J. Hanuza, J. Korean Soc. Phys. 35 (1999) S1503-S1506. "Application of Simple Lattice Dynamics Models to Analysis of Low-Frequency Vibrational Spectra of Layered Compounds"

7. M. Maczka, S. Kojima and J. Hanuza, J. Phys. Chem. Solids 61 (2000) pp.735-742. "Temperature-dependent Raman scattering spectra of CsBi(MoO4)2 "

8. M. Maczka, J. Hanuza, F. Jiang and S. Kojima, Phys. Rev. B 63 (2001)  pp.144101-144111. "Micro-Brillouin study of ferroelastic phase transition in KSc(MoO4)2"

9. M. Maczka, J. Hanuza, S. Kojima  and Jn der Maas, J. Solid State Chem. 158 (2001) pp.334-342. " Vibrational Study of Phase Transition in KIn(WO4)2"

10. M. Maczka, F. Jiang, S. Kojima and J. Hanuza, J. Mol. Structure  563-564 (2001) pp.365-369. "Brillouin Scatteing Study of KAl(MoO4)2 and NaAl(MoO4)2 "

11. M. Maczka, J. Hanuza, N. Sidrov and S. Kojima,  Materials Science 20 (2002) pp.105-110.  "The study of thermal disordering of the KSc(WO4)2 crystal structure by Raman spectroscopy"

12. M. Maczka, J. Hanuza, J. -H. Ko and S. Kojima, J. Appl. Phys. 63 (2003) pp.3781-3784. “Micro-Brillouin scattering study of antiferroelectric phase transition in CsBi(MoO4)2”

 

1.5 A2BO4 family (ferroelectric crystals)

1. T. Nakamura, S. Kojima, M. Takashige, T. Mitsui, K. Asaumi, S. Itoh and S. Minomura, Jpn. J. Appl. Phys. 18 (1979) pp.771-772. "Point Group Symmetry of NH4 LiSO4 at High-Pressure"

2.  M. Takashige,T. Nakamura, M. Udagawa, S. Kojima, S. Hirotu and S. Sawada, J. Phys. Soc. Jpn.48 (1980) pp.150-155.  "Raman Scattering Study on Rb2ZnSO4 " 

3. T. Nakamura, S. Kojima, M. Takashige and T. Mitsui, Ferroelectrics 25 (1980) pp.435-436. "Point Group Symmetry of NH4 LiSO4 at High Pressure Phase"

 

III.        その他誘電体結晶　Other dielectric crystals

3.1　NdP5O14 ,NDPP (ferroelastic crystals) ,NDPP

1. K. Asaumi, S. Kojima and T. Nakamura, J. Phys. Soc. Jpn. 48 (1980) 1298 , "Effect of The Hydrostatic Pressure on The Ferroelastic NdP5O14" 

2. S. Kojima, Jpn. J. Appl. Phys. 26 (1987) Suppl. 26-1, pp.233-235. , "Interference Fringe in Reflection Acoustic Microscopy"

3. S. Kojima, Ferroelectrics 106 (1990) pp.911-916. "Anomalous Dynamical Response at a Ferroelastic Domain Wall Studied by Acoustic Microscopy"

4. S. Kojima, Int. J. Engin. Sci. 29 (1991) pp.309-314., "Reflection Acoustic Microscopy to Crystalline Materials"

5. S. Hamazaki, F. Shimizu, S. Kojima and M. Takashige, J. Korean  Phys. Soc. 29 (1996) S503-S505. "Ferroelectric Domains Studied by Atomic Force Microscopy "

6. M.Takashige, S. Hamazaki, H. Shimizu and S.Kojima, J. Korean Phys. Soc. 32 (1998) S721-S723. "AFM Observation of Ferroelectric and Ferroelastic Crystals"

7.F. Jiang, S. Kojima, B. Y. Zhang, and Y. Q. Rui, Jpn. J. Appl. Phys. 37 (1998) pp.3128-3131."Some New Applications of Scanning Electron Acoustic Microsope for Material Evaluation"

8. S. Hamazaki, M. Takashige and S. Kojima, Ferroelectrics, 219 (1998) pp.819-825. "The Surface Images of Monoclinic Domains in NdP5O14 and WO3 by Atomic Force Microscopy"

9. F. M.Jiang, S. Kojima, B. Y. Zhang, and Y. Q. Rui, Ferroelectrics, 217 (1998) pp.335-343.

"Application of Scanning Electron Acoustic Microsope to Ferroelectric and Ferroelastic Crystals"

10. F.Jiang, S. Kojima, Y. Yang, and Y. Q. Rui, Ferroelectrics, 222 (1999) pp.237-241. "Domain Observation of Ferroelectric Bi4Ti3O12 and Ferroelastic NdP5O14 Single Crystals with Scanning Electron Acoustic Microsope"

3.2 Pb3(PO4)2 ), PPO (ferroelastic crystals)

1. S. Kojima, F. Jiang and M. S. Jang, Proc. of ICORS, Beijing, 2000, pp.392-394. "Brillouin sctattering study of the ferroelastic phase transition in lead phosphate"

3.3 TANANE (ferroelastic crystals)

1. M. S. Jang, T. Nakamura, M. Takashige and S. Kojima, Jpn. J. Appl. Phys. 19 (1980) pp.1413-1414. "Crystal Growth and Polymorphism of 2,2,6,6,-Tetramethyl-Piperidino Oxy"

2. M. S. Jang, T. Nakamura, M. Takashige and S. Kojima, Jpn. J. Appl. Phys. 20 (1981) pp.661-662.

　　"A Note on the Transition Mechanism in 2,2,6,6,-Tetramethyl-Piperidino Oxy"

 

1.4           Cs2H3(SO4)4xH2O

1. A. I. Fedoseev, S. G. Lushnikov, S. N. Gvasaliya，J. H. Ko, S. Kojima and L. A. Shuvalov,

Ferroelectrics 285 (2003) pp. 119-132.“Dynamical properties of partially disordered crystals of Cs2H3(SO4)4xH2O”