Oct. 2003

Dr. Makoto Iwata


List of publications (101)

2003(12)

1) "Domein-Wall Observation in Pb(Zn1/3Nb2/3)O3-PbTiO3 Mixed Crystals by Scanning Probe  Microscopy"   M. Iwata, K. Katsuraya, M. Maeda, I.. Suzuki, N. Yasuda and Y. Ishibashi:   Japanese Journal of Applied Physics, 2003, Vol. 42, No. 9B, pp. 6201-6204.

2) "Effect of Electric field on Domain Structure and Dielectric Properties in Pb(In1/2Nb1/2)O3-PbTiO3 near morphotropic phase boundary" N. Yasuda,M. Sakaguchi, H. Ohwa, Y. Yamashita, M. Iwata and Y. Ishibashi: Japanese Journal of Applied Physics, 2003, Vol. 42, No. 9B, pp. 6205-6208.

3) "Dielectric Relaxation in the Pb(Yb1/2Nb1/2)O3-PbTiO3 Solid Solution single crystal near the morphotropic phase boundary"  N. Yasuda, H. Inaba, H. Ohwa, M. Iwata and  Y. Ishibashi: Applied Physics Letters, 83 (2003) pp. 1409-1410.

4) "Brillouin Scattering Study on Relaxor Ferroelectric Pb(Zn1/3Nb2/3)O3"   Y. Gorouya, Y. Tsujimi, M. Iwata and T. Yagi: Applied Physics Letters, 83 (2003)  pp. 1358-1360.

5) "Phenomenology of Elastic Properties in Martensite Alloys"  Y. Ishibashi and M. Iwata: Journal of the Physical Sosiety of Japan, 2003, Vol. 72, No. 7, pp. 1675-1681.

6) "A Landau-Theory-Based Computational Study of In-Plane and Out-Plane Polarization Components Role in Switching of Ferroelectric Thin Films"  D. Ricinschi, Y. Ishibashi1, M. Iwata, M. Noda and M. Okuyama:  Journal of Korean Physical Society, 2003, Vol. 42, pp. S1232-S1236.

7) "Pressure effect of Dielectric Property in Solid Solutions (1-x)Pb(Mg1/3Nb2/3)O3-xPbZrO3 " H. Ohwa, N. Yasuda, M. Iwata, H. Orihara and Y. Ishibashi:  Journal of Korean Physical  Society, 2003, Vol. 42, pp. S1270-S1274.

8) "Domain Observation in PIN-PT Mixed Crystal near a Morphotropic Phase Boundary" N. Yasuda, N. Uemura, H. Ohwa, Y. Yamashita, M. Iwata, M. Maeda, I. Suzuki  and Y. Ishibashi:  Journal of Korean Physical Society, 2003, Vol. 42, pp. S1261-S1265.

9) "The Relation between Polarization and Electric field for the Phase Transition from Antiferroelectric to Ferroelectric One of Solid Solutions (1-x)Pb(Sc1/2Ta1/2)O3-xPbZrO3  (0.8 < x < 1)"  N. Yasuda, A. Nakada, K.Ozaki, H. Ohwa, K. Fujita, M. Iwata, M. Maeda,  I. Suzuki and Y. Ishibashi:  Journal of Korean Physical SocietyVol. 42, pp. S1046-S1050.

10) "Observation of Domain-Wall Structure in Pb(Zn1/3Nb2/3)O3-20%PbTiO3 by Scanning Probe  microscopy"  M. Iwata, M. Maeda, I. Suzuki, H. Ohwa, N. Yasuda, and Y. Ishibashi: Journal of Korean Physical Society, 2003, Vol. 42, pp. S1051-S1054.

11) "Domain Observation in Pb(In1/2Nb2/2)O3-PbTiO3 Solid Solutions near Morphotropic Phase Bpundary by Polarizing Microscope" N. Yasuda, N. Uemura, Y. Ozaki, H. Ohwa, M. Iwata and Y. Ishibashi:  Transactions of  the Materials Research Society of Japan, 2003, Vol. 28, No. 1 pp. 161-164.

12) "Domain-Wall Observation in Pb(Zn1/3Nb2/3)O3-PbTiO3 Solid Solutions by AFM" M. Iwata, K. Katsuraya, M. Maeda, I.. Suzuki, Y. Naruse, H. Orihara, N. Yasuda and Y. Ishibashi:  Transactions of the Materials Research Society of Japan, 2003, Vol. 28,No. 1 pp. 145-147.

2002(10)

1) "Hetero structure and electro-optic effect in relaxor Pb(Mg1/3Nb2/3)O3" M. Iwata, M. Maeda, I. Suzuki, Y. Mizuguchi, H. Orihara and Y. Ishibashi: Transactions of the Materials Research Society of Japan, 2002, 27, pp. 219-221.

2) "Brillouin and dielectric studies of the phase transition in the relaxor ferroelectric Pb(Ni1/3Nb2/3)O3" H. J. Fan, M. H. Kuok*, S. C. Ng, N. Yasuda, H. Ohwa, M. Iwata, H. Orihara, Y. Ishibashi: Journal of Applied Physics, 2002, 91, pp. 2262-2266.

3) "Anisotropy of Piezoelectricty near Morphotropic Phase Boundary in Perovskite-Type Oxide Ferroelectrics" M. Iwata, H. Orihara and Y. Ishibashi: Ferroelectrics, 2002, 266, pp. 57-71.

4) "A Raman Scattering study in relaxor mixed cryslas Pb(Zn1/3Nb2/3)O3-PbTiO3" M. Iwata, N. Tomisato, H. Orihara, H. Ohwa, N. Yasuda, Y. Ishibashi, M. Maeda and I. Suzuki: Ferroelectrics, 2002, 270, pp. 143-148.

5) "Dielectric and Piezoelectric Properties of Lead Indium Niobate-Lead Titanate Single Crystal with High Curie Temperature Near Morphotropic Phase Boundary" N. Yasuda, H. Ohwa, D. Hasegawa, H. Hosono, Y. Yamashita, M. Iwata, Y. Ishibashi: Ferroelectrics, 2002, 270, pp. 247-252.

6) "Dielectric Properties of Ethylenediamine Cobalt Nitrate (ECN) Single Crystals" M. Maeda, T. Kageyama, I. Suzuki and M. Iwata: Ferroelectrics, 2002, 268, pp. 381-386.

7) "On an Isomorphous Transition II" Y. Ishibashi and M. Iwata: Journal of Physical Society of Japan, 2002, Vol. 71, No. 10, pp. 2576-2577.

8) uUd̂̃hCv "Ferroelectric Domains" c@^A΋PO: @\ޗ 22 12 2002 pp.5-11.

9) "Domain Observation in Pb(Zn1/3Nb2/3)O3-PbTiO3 Mixed Crystals" M. Iwata, T. Araki, M. Maeda, I. Suzuki, H. Ohwa, N. Yasuda, H. Orihara and Y. Ishibashi: Japanese Journal of Applied Physics., 2002, Vol. 41, No. 11B, pp. 7003-7006.

10) "Crystal Growth and Some Properties of Lead Indium Niobate-Lead Titanate Single Crystals Produced by Solution Bridgman Method" N. Yasuda, N. Mori, T. Takasaki, H. Ohwa, H. Yosono, Y. Yamashita, M. Iwata, M. Maeda,I. Suzuki, Y. Ishibashi: Japanese Journal of Applied Physics, 2002, Vol. 41, No. 11B, pp. 7007-7010.

2001F(10)

1) "Theory of Morphotropic Phase Boundary in Solid Solution Systems of Perovskite-Type Oxide Ferroelectrics: Engineered Domain Configurations II" Makoto Iwata, Hiroshi Oriharaand and Yoshihiro Ishibashi: Japanese Journal of Applied Physics, 2001, Vol. 40, No. 2A, pp. 703-707.

2) "A Theory of Polarization Reversals near the Morphotropic Phase Boundary of Perovskite-Type Oxide Ferroelectrics" M. Iwata, H. Orihara and Y. Ishibashi: Japanese Journal of Applied Physics, 2001, Vol. 40, No. 2A, pp. 708-712.

3) "Hypersonic Frequency and Damping Anomalies in Relaxor Ferroelectric Pb(Zn1/3Nb2/3)O3" M. H. Kuok, S. C. Ng, H. J. Fan, M. Iwata and Y. Ishibashi: Applied Physics Letters, 2001, Vol. 78, No. 12, pp. 1727-1729.

4) "Hypersonic Frequency Softening and relaxation in Relaxor Ferroelectric 0.8Pb(Zn1/3Nb2/3)O3-0.2PbTiO3" M. H. Kuok, S. C. Ng, H. J. Fan, M. Iwata and Y. Ishibashi: Solid State Communications, 2001, Vol. 118, pp. 169-172.

5) "A Theory of Inhomogeneous Swiching in Perovskite-Type Ferroelectrics on the Tetragonal Side of The Morphotropic Phase Boundary" D. Ricinschi, Y. Ishibashi, M. Iwata and M. Okuyama: Japanese Journal of Applied Physics, 2001, Vol. 40, No. 8A, pp. 4990-4997.

6) "Raman Scattering in the Pb(Zn1/3Nb2/3)O3-PbTiO3 Mixed Crystal System II" M. Iwata, N. Tomisato, H. Orihara, H. Ohwa, N. Yasuda, N.Arai and Y. Ishibashi: Japanese Journal of Applied Physics, 2001, Vol. 40, No. 9B, pp. 5819-5822.

7) "Crystal Growth and Dielectric Properties of Solid Solutions of Pb (Yb1/2Nb1/2)O3-PbTiO3 with a High Curie Temperature near a Morphotropic Phase Boundary" N. Yasuda, H. Ohwa, M. Kume, Y. Hosono, Y. Yamashita, S. Ishino, H. Terauchi, M. Iwata, Y. Ishibashi: Japanese Journal of Applied Physics., 2001, Vol. 40, No. 9B, pp. 5664-5667.

8) "On the Lattice Instability in Incommensurate Phase Transition of K2SeO4" Y. Ishibashi, M. Iwata and T. Janssen: Journal of the Physical Society of Japan, 2001, Vol. 70, No. 10, pp. 3178-3179.

9) "Raman Scattering in the Pb(Mg1/3Nb2/3)O3-PbTiO3 Mixed Crystal System" H. Ohwa, M. Iwata, H. Orihara, N. Yasuda and Y. Ishibashi: Journal of the Physical Society of Japan, 2001, Vol. 70, No. 10, pp. 3149-3154.

10) "A Raman Study of Phase Transitions in the Pb(Zn1/3Nb2/3)O3 -PbTiO3 System" M. Iwata, H. Hoshino, H. Orihara, H. Ohwa, N. Yasuda and Y. Ishibashi: Ferroelectrics 2001, 261, pp. 747-752.

2000: (7)

1) "DC Field Dependence of the Dielectric Dispersion in the 2/7 Phase of Betaine Calcium Chlorid Dihydrate" Makoto Iwata, Ryousuke Iguchi, J. Hlinka, H. Orihara and Y. Ishibashi: Journal of the Physical Society of Japan, 2000, Vol. 69, No. 3, pp. 945-947.

2) "X-Ray Diffraction and NMR Studies on the Crystal Structures of MABB and MABA at Room Temperature" Y. Iwata, N. Koyano, M. Machida, M. Iwata and Y. Ishibashi: Ferroelectrics, 2000, Vol. 237, pp. 229-236.

3) "Observation of the distribution of the transition temperature in the Partly Disordered PbIn1/2Nb1/2O3" H. Ohwa, M.Iwata, H.Orihara1, N.Yasuda and Y.Ishibashi: Journal of the Physical Society of Japan, 2000, Vol. 69, No. 5, pp. 1533-1537.

4) "A Microscopic Model of a Negative Poisson Ratio" Y. Ishibashi and M. Iwata: Journal of the Physical Society of Japan, 2000, Vol. 69, No. 8, pp. 2702-2703.

5) "Theory of Morphotropic Phase Boundary in Solid Solution Systems of Perovskite-Type Oxide Ferroelectrics: Engineered Domain Configurations" Makoto Iwata and Yoshihiro Ishibashi: Japanese Journal of Applied Physics, 2000, Vol. 39, No. 9A, pp. 5156-5163.

6) "Raman Scattering in the Pb(Zn1/3Nb2/3)O3-PbTiO3 Mixed Crystal System" M. Iwata, H. Hoshino, H. Orihara, Y. Ishibashi, H. Ohwa and N. Yasuda: Japanese Journal of Applied Physics, 2000, Vol. 39, No. 9B, pp. 5691-5696.

7) "Temperature Dependence of Piezoelectric Properties of a High Curie Temperature Pb(In1/2Nb1/2)O3-PbTiO3 Binary System Single Crystal near a Morphotropic Phase Boundary" N. Yasuda, H. Ohwa, D. Hasegawa, K. Hayashi, Y. Hosono, Y. Yamashita, M. Iwata and Y. Ishibashi: Japanese Journal of Applied Physics, 2000, Vol. 39, No. 9B, pp. 5586-5588.

1999: (15)

1) "Dielectric Styudy of the Order-Disorder System in KBr1-x(NO2)x Mixed Crystals" M. Iwata, M. Matsuda, H. Orihara, Y. Ishibashi, K. Yagi and H. Terauchi: Journal of the Physical Society of Japan, 1999, Vol. 68, No. 1, pp. 279-283.

2) "Phenomenological Description of the Sevenfold phase of Betaine Calcium Chloride Dihydrate I. Coupling to the electric field" J. Hlinka, M. Iwata and Y. Ishibashi: Journal of the Physical Society of Japan, 1999, Vol. 68, No. 1, pp. 126-133.

3) "A Theory of Morphotropic Phase Boundary in the Solid Solution System of Perovskite-Type Oxide " Y. Ishibashi and M. Iwata: Japanese Journal of Applied Physics, 1999, Vol. 38, No. 2., pp. 800-804.

4) "Theory of Morphotropic Phase Boundary in Solid-Solution Systems of Perovskite-type Oxide Ferroelectrics: Elastic Properties" Y. Ishibashi and M. Iwata: Japanese Journal of Applied Physics, 1999, Vol. 38, No. 3, pp. 1454-1458.

5) "Phenomenology of Magnetostrictive Alloys of the Rare-Earth Fe2 Compound Family I. Elastic Constants" Y. Ishibashi and M. Iwata: Journal of the Physical Society of Japan, 1999, Vol. 68, No. 4, pp.1353-1356.

6) "Brillouin and Ultrasonic Studies of the Ferroelastic Phase Transition in [N(CH3)4]2ZnBr4" M. H Kuok, S. C. Ng, T. Liu, Z. L. Rang, M. Iwata and Y. Ishibashi: Journal of the Physical Society of Japan, 1999, Vol. 68, No. 5, pp. 1598-1601.

7) "Effect of Phase Transition on Optical Absorption Edge and Electronic States in Ferroelectric Materials of (CH3NH3)3M2Br9 (M; Sb, Bi)"T. Kawai, E. Takao, S. Shimanuki, M. Iwata, A. Miyashita and Y. Ishibashi: Journal of the Physical Society of Japan, 1999, Vol. 68, No. 8, pp. 2848-2856.

8) "Nonlinear Dielectric Measurements of Antiferroelectric Liquid Crystals" H. Orihara, H. Mizuno, M. Iwata and Y. Ishibashi: Liquid Crystals and Molecular Crystals, 1999, Vol. 328, pp. 265-273.

9) "The Phase Diagram in (CH3NH3)3Bi2(1-x)Sb2xBr9 " M. Iwata, A. Miyashita, H. Orihara and Y. Ishibashi, M. H. Kuok and S. C. Ng: Ferroelectrics, 1999, Vol. 229, pp. 233-239.

10) "Even and Odd Effect and Crystal Structure in CnH2n+1NH3H2PO4 Crystals" H. Kasatani, M. Iwata, H. Terauchi and Y. Ishibashi: Ferroelectrics, 1999, Vol. 229, pp. 255-260.

11) "The Raman Scattering in the Relaxor Ferroelectrics" H. Ohwa, M. Iwata, N. Yasuda and Y. Ishibashi: Ferroelectrics, 1999, Vol. 229, pp. 147-152.

12) "Dielectric Properties of the Pb(In1/2Nb1/2)O3-PbTiO3 Sigle Crystal" N. Yasuda, H. Ohwa, K. Ito, M. Iwata and Y. Ishibashi: Ferroelectrics, 1999, Vol. 230, pp. 417-422.

13) "Theory of Morphotropic Phase Boundary in Solid Solution Systems of Perovskite-Type Oxide Ferroelectrics -- p-e Hysteresis Loop --" M. Iwata and Y. Ishibashi: Japanese Journal of Applied Physics, 1999, Vol. 38, No. 9B, pp. 5670-5673.

14) "Dielectric Properties of Solid Solutions (1-x)Pb(Sc1/2Ta1/2)O3-xPbZrO3 (0<x<1)" N. Yasuda, H. Ohwa, E. Fujioka, M. Iwata and Y. Ishibashi: Japanese Journal of Applied Physics, 1999, Vol. 38, No. 9B, pp. 5483-5487.

15) "Nonlinear Dielectric Response in the Relaxor Pb(Mg1/3Nb2/3)O3 Single Crystal" M. Iwata, R. Kamei, H. Orihara, Y. Ishibashi, H. Ohwa and N. Yasuda: Journal of Korean Physical Society, 1999, Vol. 35, pp. S1513-S1516.

1998: (16)

1) "Dielectric Dispersion in KBr1-x(NO2)x Mixed Crystals" M. Iwata, M. Matsuda, H. Orihara, Y. Ishibashi, K. Yagi and H. Terauchi: Journal of Korean Physical Society, 1998, Vol. 32, pp. S834-S836.

2) "Crystal Structure and Phase Transition of n-Alkil Ammonium Dihydrogen Phosphate CnH2n+1NH2PO4 (n = 2-6) Crystals" Y. Kasatani, M. Iwata, Y. Ishibashi and H. Terauchi: Journal of Korean Physical Society, 1998, Vol. 32, pp. S1807-S1809.

3) "Antiferroelectricity in Lead Indium Niobate" N. Yasuda, H. Ohwa, J. Ohhashi, K. Nomura, H. Terauchi, M. Iwata and Y. Ishibashi: Journal of Korean Physical Society, 1998, Vol. 32, pp. S996-S999.

4) "Low Temperature Dielectric Dispersion in Sn2P2S6"M. Iwata, A. Miyashita, Y. Ishibashi, K. Moriya and S. Yano: Journal of the Physical Society of Japan, 1998, Vol. 67, No.2, pp. 499-501.

5) "Comment on the Structural Phase Transition in NaV6O11" M. Iwata and Y. Ishibashi: Journal of the Physical Society of Japan, 1998, Vol. 67, No.2, pp. 691-692.

6) "Morphotropic Phase Boundary in the Solid Solution System of Perovskite-type Oxide Ferroelectrics" Y. Ishibashi and M. Iwata: Japanese Journal of Applied Physics, 1998, Vol. 37, No. 8A, pp. L985-L987.

7) "Phenomenological Theory of the Linear and Nonlinear Dielectric Susceptibilities in the Incommensurate Phase" M. Iwata, H. Orihara and Y. Ishibashi: Journal of the Physical Society of Japan, 1998, Vol. 67, No.9, pp. 3130-3136.

8) "A Brillouin Study of the Ferroelastic Phase Transition in (CH3NH3)3Sb2Br9" M. H. Kuok, S. C. Ng, L. S. Tan, R. L. Zhenlin, M. Iwata and Y. Ishibashi: Solid State Communications, 1998, Vol 108, No. 3, pp. 159-163.

9) "Nonlinear Dielectric Response in Relaxor Ferroelectrics (1-x)Pb(Mg1/2W1/2)O3-xPbTiO3" M. Iwata, R. Kamei, H.Orihara, Y. Ishibashi, N. Yasuda and H. Ohwa: Japanese Journal of Applied Physics, 1998, Vol. 37, No. 9B, pp. 5413-5417.

10) "Raman Scattering in Relaxor Pb(Zn1/3Nb2/3)O3" H. Ohwa, M. Iwata, N. Yasuda and Y. Ishibashi: Japanese Journal of Applied Physics, 1998, Vol. 37, No. 9B, pp. 5410-5412.

11) "Dielectric Properties of Disordered and Orderd Pb(In1/2Nb1/2)O3" N. Yasuda, H. Ohwa, J. Oohashi, H. Terauchi, K. Nomura, M. Iwata and Y. Ishibashi: Journal of the Physical Society of Japan, 1998, Vol. 67, No. 11, pp. 3952-3957.

12) "The Linear and Nonlinear Dielectric Susceptibilities in the Incommensurate Phase" M. Iwata, M. H. Kuok, H. Orihara and Y. Ishibashi: Ferroelectrics, 1998, Vol. 217, pp. 163-170.

13) "Nonlinear Dielectric Constant in Relaxor Ferroelectrics" H.Orihara, R. Kamei, M. Iwata, Y. Ishibashi, N. Yasuda and H. Ohwa: Ferroelectrics, 1998, Vol. 217, pp. 297-306.

14) "Dielectric Properties and Pressure Effects in Layer-Type Bismuth Solid Solutions of Sr2-xPbxBi4Ti5O18 (0 < x < 2)" N. Yasuda, H. Ohwa, Y. Nakaoka, M. Iwata and Y. Ishibashi: Ferroelectrics, 1998, Vol. 217, pp. 65-73.

15) "Temperature Dependence of Raman Spectra in Pb(Mg1/3Nb2/3)O3" H. Ohwa, M. Iwata, N. Yasuda and Y. Ishibashi: Ferroelectrics, 1998, Vol. 218, pp. 53-61.

16) "Applications of the Effective Medium Approximation to Dielectric Composites" Yoshihiro Ishibashi and Makoto Iwata: Integrated Ferroelectrics, 1998, Vol. 20, p. 271.

1997: (4)

1) "Phae Diagrams and the Non-Linear Dielectric Constant in the Landau-Type Potential Including the Linear-Quadratic Coupling between Order Parameters"Makoto Iwata, H. Orihara and Yoshihiro Ishibashi: Journal of the Physical Society of Japan, 1997, Vol. 66, No.4, pp. 1205-1209.

2) "Measurement of the Non-Linear Dielectric Constant in Rb1-x(NH4)xH2PO4 Mixed Crystal" Tatsuya Nagata, Makoto Iwata, Hiroshi Orihara, Yoshihiro Ishibashi, Yuichi Miura, Takayoshi Mamiya and Hikaru Terauchi: Journal of the Physical Society of Japan,1997, Vol. 66, No.5, pp. 1503-1507.

3) "Pressure-Induced Dielectric Change from Relaxor to Antiferroelectric Behavior in Disordered Pb(In1/2Nb1/2)O3" N. Yasuda, H. Ohwa, J. Oohashi, H. Terauchi, M. Iwata and Y. Ishibashi: Journal of the Physical Society of Japan,1997, Vol. 66, No.7, pp. 1920-1923.

4) "Effect of Hydrostatic Pressure in Barium Titanate Stanate Solid Solution Ba(Ti1-xSnx)O3" N. Yasuda, H. Ohwa, K. Arai, M. Iwata and Y. Ishibashi: Journal of Materials Science Letters, 1997, Vol. 16, pp. 1315-1318.

1996: (13)

1) "Nature of the Low-Temperature Dielectric Anomalies in (CH3NH3)5Bi2X11 (X=Cl, Br)"K. Gesi, M. Iwata and Y. Ishibashi: Journal of the Physical Society of Japan, 1996, Vol. 65, No. 1, pp. 14-15.

2) "Measurement of Elastic Constants in [N(CH3)4]2ZnI4 Single Crystal" Makoto Iwata, Sadamitsu Harada and Yoshihiro Ishibashi: Journal of the Physical Society of Japan, 1996, Vol. 65, No. 2, pp. 496-498.

3) "Considerations on Dielectric Properties of Relaxors" Yoshihiro Ishibashi and Makoto Iwata: Journal of the Physical Society of Japan, 1996, Vol. 65, No. 3, pp. 853-857.

4) "Measurement of Elastic Constants in [N(CH3)4]2CoBr4 Single Crystal"Makoto Iwata, Sadamitsu Harada and Yoshihiro Ishibashi: Journal of the Physical Society of Japan, 1996, Vol. 65, No. 5, pp. 1290-1292.

5) "Phase Transition in C3H7NH3H2PO4 Single Crystal" M. Iwata, T. Taguchi, Y. Ishibashi, H. Kasatani and Hikaru Terauchi: Journal of the Physical Society of Japan, 1996, Vol. 65, No. 5, pp. 1459-1463.

6) "Optical Absorption in Band-Edge Region of (CH3NH3)3Bi2I9 Single Crystals" Taketoshi Kawai, Atsuko Ishii, Takako Kitamura, Shigetaka Shimanuki, Makoto Iwata and Yoshihiro Ishibashi: Journal of the Physical Society of Japan, 1996, Vol. 65, No. 5, pp. 1464-1468.

7) "Effect of hydroscopic pressure in Lead Indium Niobete-Based Complex Perovskite Systems" N. Yauda, H. Ohwa, T. Mizuno, M. Iwata and Y. Ishibashi: Applied Physics Letter, 1996, Vol. 68, No. 24, pp. 3404-3406.

8) "Observation of the Ferroelastic Domain Structures near the Phase Transition Point" M. Iwata, M. Matsuda and H. Orihara: Ferroelectrics Lett. 1996 Vol. 21, pp. 151-160.

9) "Physical Properties of Composites" Y. Ishibashi and M. Iwata: Japanese Journal of Applied Physics 1996, Vol. 35, No. 9B, pp. 5157-5159.

10) "A Phenomenological Model of Successive Phase Transitions in Betaine Phosphate" Makoto Iwata and Yoshihiro Ishibashi: Journal of the Physical Society of Japan, 1996, Vol. 65, No.9, pp. 2900-2903.

11) "Non-Linear Dielectric Constant in Betaine Arsenate"M. Iwata, T. Nagata, H. Orihara, Y. Ishibashi, M. Maeda and I. Suzuki: Journal of Korean Physical Society 1996, Vol. 29, pp. S452-S455.

12) "Hydrostatic Pressure Dependence of Dielectric Properties in Lead Indium Niobate-Based Complex Perovskite Systems"Naohiko Yasuda, Hidehiro Ohwa, Makoto Iwata and Yoshihiro Ishibashi: Journal of Korean Physical Society 1996, Vol. 29, pp. S684-S687.

13) "Nonlinear Response of Two-Level Tunneling Systems in the RDP-ADP Proton Glass" Y. Miura, H. Orihara, M. Iwata, T. Mamiya, N. Matsunaga and H. Terauchi: Czech. J. Phys. 1996, Vol.46, Suppl. S4, pp. 2257-2258.

1990-1995: (14)

1) "Dielectric Dispersion in (CH3NH3)5Bi2X11 (X=Cl,Br)" Makoto Iwata and Yoshihiro Ishibashi: Journal of the Physical Society of Japan, 1990, Vol. 59, No. 12, pp. 4239-4242.

2) "Dielectric Dispersion in [N(C2H5)4]2ZnCl4 Single Crystal" M. Iwata and Y. Ishibashi: Journal of the Physical Society of Japan, 1991, Vol. 60, No. 10, pp. 3245-3248.

3) "Ferroelastic Phase Transition in (CH3NH3)3Bi2Br9"Makoto Iwata and Yoshihiro Ishibashi: Ferroelectrics, 1992, Vol. 135, PP. 283-289.

4) "Dielectric Dispersion in Ni(C3H10N2)2NO2ClO4"Minoru Fukui, Makoto Iwata, Taturu Yosida and Yoshihiro Ishibashi: Journal of the Physical Society of Japan, 1992, Vol. 61, No. 7, pp. 2220-2223.

5) "Measurement of Elastic Constant in [N(CH3)4]2ZnBr4 Single Crystal"Sadamitsu Harada, Makoto Iwata and Yoshihiro Ishibashi: Journal of the Physical Society of Japan, 1992, Vol. 61, No. 10, pp. 3436-3438.

6) "Measurment of Dielectric Constant near 170K in (CH3NH3)5Bi2Cl11 Single Crystal"Makoto Iwata and Yoshihiro Ishibashi: Journal of the Physical Society of Japan, 1992, Vol. 61, No. 12, pp. 4615-4618.

7) "A Raman Study of the Phase Transition in (CH3NH3)5Bi2Cl11" M. H. Kuok, S. C. Ng, M. Iwata and Y. Ishibashi: Solid State Communications, 1993, Vol. 86, No. 3, pp. 151-154.

8) "X-ray Diffraction Study on the Phase Transition of (CH3NH3)3Bi2Br9 Crystal" T. Umeki, H. Kasatani, H. Terauchi, M. Iwata and Y. Ishibashi:, Transactions of the Materials Reseach Society of Japan, 1994, 14B, pp. 1743-1746.

9) "Phase Transition in (CH3NH3)3Bi2Br9" M. Iwata, M. Eguchi, Y. Ishibashi, S. Sasaki, H. Shimizu, T. Kawai and S.Shimanuki: Journal of the Physical Society of Japan, 1993, Vol. 62, No. 9, pp. 3315-3326.

10) "Specific Heat and Phase Transition Phenomena in (CH3NH3)5Bi2Cl11" Makoto Iwata, Takeo Tojo, Tooru Atake and Yoshihiro Ishibashi: Journal of the Physical Society of Japan, 1994, Vol. 63, No. 10, pp. 3751-3755.

11) "A Phase Diagram Including the Intermediate Rippled Phase of Phospholipid Bilayers" Yoshihiro Ishibashi and Makoto Iwata: Journal of the Physical Society of Japan, 1995, Vol. 64, No. 1, pp. 155-158.

12) "New Cation Diffusing Phase of (CH3NH3)5Bi2Cl11" S. Nagatomo, S. Takeda, K. Yamaguchi, M. Iwata and Y. Ishibashi: Journal of the Physical Society of Japan, 1995, Vol. 64, No. 2, pp. 391-394.

13) "Effect of Hydrostatic Pressure on the Phase Transition in Ferroelectric (CH3NH3)5Bi2Cl11 (MAPCB) and (CH3NH3)5Bi2Br11 (MAPBB)" Kazuo Gesi, Makoto Iwata and Yoshihiro Ishibashi: Journal of the Physical Society of Japan, 1995, Vol. 64, No. 7, pp. 2650-2655.

14) "A Far-Infrared Spectroscopic Study of Low Temperature Soft Phonon Mode in Tris-Sarcosine Calcium Chloride (TSCC)" M. Iwata, M. Hayashi and T. Yamamoto: Ferroelectrics Lett. 1995, Vol. 19, pp. 131-137.



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