Publications

Paper :

2015
  • T. Kwon, T. Ohnishi, K. Mitsuishi, T. Ozawa, K. Takada : “Synthesis of LiCoO2 epitaxial thin films using a sol-gel method” J. Power Sources 274 (2015) 417-423 DOI:10.1016/j.jpowsour.2014.10.070
  • H. Samata, N. Wada, T. Ozawa : “Van Vleck paramagnetism of europium oxyhydroxide” J. Rare Earths 33[2] (2015) 177-181 DOI:10.1016/S1002-0721(14)60399-9
  • C. Xingke, T. Ozawa, A. Funatsu, Ma RZ, Y. Ebina, T. Sasaki : “Tuning the Surface Charge of 2D Oxide Nanosheets and the Bulk 2 Scale Production of Superlatticelike Composites” J. Am. Chem. Soc. 137[8] (2015) 2844-2847 DOI:10.1021/jacs.5b00317
  • H. Samata, S. Imanaka, M. Hanioka, T. Ozawa : “Yellow luminescence of co-doped gadolinium oxyhydroxide” J. Rare Earths 33[7] (2015) 712-716 DOI:10.1016/S1002-0721(14)60475-0
  • H. Samata, M. Hanioka, T. Ozawa : “Synthesis and magnetic properties of SmOOH crystals” J. Magn. Magn. Mater. 398[2016] (2015) 82-85 DOI:10.1016/j.jmmm.2015.09.030
  • Y. Song, N. Iyi, T. Hoshide, T. Ozawa, Y. Ebina, Ma RZ, N. Miyamoto, T. Sasaki : “Accordion-like swelling of layered perovskite crystals via massive permeation of aqueous solutions into 2D oxide galleries” Chem. Commun. 51[96] (2015) 17068-17071 DOI:10.1039/c5cc05408g
  • Hiroaki Samata, Katsutoshi Kobayashi, Masashi Hanioka, T. Ozawa : “Fluorescence quantum yield of Gd0.9−xRxEu0.1OOH (R=Y La) crystals” J. Rare Earths 33[12] (2015) 1256-1260 DOI:10.1016/S1002-0721(14)60554-8
  • C. Xingke, N. Sakai, T. Ozawa, A. Funatsu, Ma RZ, Y. Ebina, T. Sasaki : “Efficient Photoinduced Charge Accumulation in Reduced Graphene Oxide Coupled with Titania Nanosheets To Show Highly Enhanced and Persistent Conductance” ACS Appl. Mater. Interfaces 7[21] (2015) 11436-11443 DOI:10.1021/acsami.5b02107
2014
  • T. Shibata, H. Takano, Y. Ebina, Kim. Dae Sung, T. Ozawa, K. Aakatsuka, T. Ohnishi, K. Takada, T. Kogure, T. Sasaki : “Versatile van der Waals Epitaxy-like Growth of Crystal Films Using Two-dimensional Nanosheets as a Seed Layer: Orientation Tuning of SrTiO3 Films Along Three Important Axes on Glass Substrates” J. Mater. Chem. C 2[3] (2014) 441-449 DOI:10.1039/C3TC31787K
  • T. Ozawa, M. Onoda, N. Iyi, Y. Ebina, T. Sasaki : “Bulk Functional Materials Design Using Oxide Nanosheets as Building Blocks: A New Upconversion Material Fabricated by Flocculation of Ca2Nb3O10- Nanosheets with Rare-Earth Ions” J. Phys. Chem. C 118[3] (2014) 1729-1738 DOI:10.1021/jp410522g
  • H. Samata, D. Itakura, S. Imanaka, T. Ozawa : “Synthesis and Fluorescence Quantum Yield of Gd1−xEuxOOH Crystals” JOURNAL OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING 2 (2014) 23-29 DOI:10.4236/msce.2014.23003
  • T. Ozawa, T. Sasaki : “Partial alkali-metal ion extraction from K0.8(Li0.27Ti1.73)O4 using PTFE as an extraction reagent” Dalton Trans 43[39] (2014) 14902-14908 DOI:10.1039/c4dt01869a
  • T. Ozawa, T. Naka, A. Matsushita, S. M. Kauzlarich, T. Sasaki : “Chemical composition and magnetic property modifications of Na2Ti2Sb2O using PTFE as an alkali-metal ion extraction reagent” J. Fluor. Chem. 168 (2014) 189-192 DOI:10.1016/j.jfluchem.2014.09.028
  • C. Xingke, Ma RZ, T. Ozawa, N. Sakai, A. Funatsu, T. Sasaki : “Superlattice Assembly of Graphene Oxide (GO) and Titania Nanosheets: fabrication in situ photocatalytic reduction of GO and highly improved carrier transport” NANOSCALE 2014[6] (2014) 14419-14427 DOI:10.1039/c4nr04830j
2013
  • T. Ozawa, K. Fukuda, Y. Ebina, T. Sasaki : “Soft-Chemical Exfoliation of RbSrNb2O6F into Homogeneously Unilamellar Oxyfluoride Nanosheets” Inorg. Chem. 52[1] (2013) 415-422 DOI:10.1021/ic3022276
  • S. Mizusaki, A. Douzono, T. Ohnishi, T. Ozawa, Y. Noro, Y. Nagata : “Metal–insulator–metal transition in Ti substituted antiferromagentic Ru2MnGe 3 Heusler alloy” J. Alloy. Compd. 553[15] (2013) 389-394 DOI:10.1016/j.jallcom.2012.12.008
  • T. Ohnishi, S. Mizusaki, M. Naito, Y. Nagata, M. Itou, Y. Sakurai, T. Ozawa, Y. Noro, H. Samata : “Correlation between Magnetism and Crystal Symmetry in the Mixed Valence System of Sr1−xCaxRu0.5Mn0.5O3” J. Korean Phys. Soc. 62[12] (2013) 1887-1892
2012
  • S. Mizusaki, A. Douzono, T. Ohnishi, T.C. Ozawa, H. Samata, Y. Noro and Y. Nagata : “Effect of Fe substitution on magnetic properties of antiferromagnetic Heusler alloy Ru2MnGe” J. Alloy. Compd. 510 (2012) 141-146 DOI:10.1016/j.jallcom.2011.09.017
  • H. Samata : “Synthesis and Characterization of CaPd<sub>3</sub>O<sub>4</sub> Crystals” JOURNAL OF CRYSTALLIZATION PROCESS AND TECHNOLOGY 2 (2012) 16-20 DOI:10.4236/jcpt.2012.21003
  • S. Mizusaki, T. Ohnishi, T. C. Ozawa, Y. Noro, M. Itou, Y. Sakurai and Y. Nagata : “Spin-polarized itinerant electrons in Co-based Heusler compounds investigated by magnetic Compton scattering” J. Appl. Phys. 111[6] (2012) 063915-1 DOI:10.1063/1.3694004
  • T. C. Ozawa and T. Sasaki : “ Exploration of Mid-Temperature Alkali-Metal-Ion Extraction Route Using PTFE (AEP): Transformation of α-NaFeO 2 -Type Layered Oxides into Rutile-Type Binary Oxides ” Inorg. Chem. 51 (2012) 7317-7323 DOI:10.1021/ic3006986
  • B. Li, M. Osada, T. C. Ozawa and T. Sasaki : “ RbBiNb 2 O 7 : A New Lead-Free High- T c Ferroelectric ” Chem. Mat. 24[16] (2012) 3111-3113 DOI:10.1021/cm3013039
  • S Mizusaki, T Ohnishi, A Douzono, M Hirose, Y Nagata, M Itou, Y Sakurai, T C Ozawa, H Samata and Y Noro : “ The role of 3d electrons in the appearance of ferromagnetism in the antiferromagnetic Ru 2 MnGe Heusler compound: a magnetic Compton scattering study ” J. Phys.-Condes. Matter 24 (2012) 255601-1 DOI:10.1088/0953-8984/24/25/255601
2011
  • D. S. Kim, T. C. Ozawa, K. Fukuda, S. Ohshima, I. Nakai and T. Sasaki : “ Soft-Chemical Exfoliation of Na 0.9 Mo 2 O 4 : Preparation and Electrical Conductivity Characterization of a Molybdenum Oxide Nanosheet ” Chem. Mat. 23[11] (2011) 2700-2702 DOI:10.1021/cm2008208
  • T. C Ozawa, K. Fukuda, Y. Ebina, K. Kosuda, A. Sato, Y. Michiue, K. Kurashima and T. Sasaki : “ A bona fide two-dimensional percolation model: an insight into the optimum photoactivator concentration in La 2/3- x Eu x Ta 2 O 7 nanosheets ” Sci. Tech. Adv. Mat. 12[4] (2011) 044601-1 DOI:10.1088/1468-6996/12/4/044601
  • S. Mizusaki, T. Ohnishi, T. C. Ozawa, Y. Noro, H. Samata, M. Itou, Y. Sakurai and Y. Nagata : “Magnetic and Transport Properties of Heusler Compound ${\rm Co}_{2}{\rm TiAl}$” IEEE Trans. Magn. 47[10] (2011) 2444-2446 DOI:10.1109/TMAG.2011.2159581
2010
  • T. C. Ozawa and T. Sasaki : “ An Alkali-Metal Ion Extracted Layered Compound as a Template for a Metastable Phase Synthesis in a Low-Temperature Solid-State Reaction: Preparation of Brookite from K 0.8 Ti 1.73 Li 0.27 O 4 ” Inorg. Chem. 49[6] (2010) 3044-3050 DOI:10.1021/ic1000182
  • L. Hu, Ma RZ, T. Ozawa, T. Sasaki : “Exfoliation of Layered Europium Hydroxide into Unilamellar Nanosheets” Chem.-Asian J. 5[2] (2010) 248-251
  • B. Li, M. Osada, Y. Ebina, T. C. Ozawa, R. Ma and T. Sasaki : “Impact of perovskite layer stacking on dielectric responses in KCa[sub 2]Na[sub n−3]Nb[sub n]O[sub 3n+1] (n=3–6) Dion–Jacobson homologous series” Appl. Phys. Lett. 96[18] (2010) 182903-1 DOI:10.1063/1.3402761
  • S. Mizusaki, N. Kawamura, T. Taniguchi, Y. Nagata, T.C. Ozawa, A. Sato, Y. Noro and H. Samata : “Ferromagnetism and spin reorientation in Sm12Fe14Al5” J. Magn. Magn. Mater. 322[13] (2010) L19-L24 DOI:10.1016/j.jmmm.2009.12.021
  • S Mizusaki, M Naito, T Taniguchi, Y Nagata, M Itou, Y Sakurai, Y Noro, T C Ozawa and H Samata : “ Variation of the Ru moment in the Ca 0.3 Sr 0.7 Ru 1 − x Mn x O 3 system ” J. Phys.-Condes. Matter 22[14] (2010) 145601-1 DOI:10.1088/0953-8984/22/14/145601
  • L. Hu, R. Ma, T. C. Ozawa and T. Sasaki : “ Synthesis of a Solid Solution Series of Layered Eu x Gd 1− x (OH) 2.5 Cl 0.5 ·0.9H 2 O and Its Transformation into (Eu x Gd 1− x ) 2 O 3 with Enhanced Photoluminescence Properties ” Inorg. Chem. 49[6] (2010) 2960-2968 DOI:10.1021/ic902484v
  • T. Ohnishi, T. Taniguchi, A. Ikoshi, S. Mizusaki, Y. Nagata, S.H. Lai, M.D. Lan, Y. Noro, T.C. Ozawa, K. Kindo, A. Matsuo and S. Takayanagi : “Antiferromagnetism of LnRhO3 (Ln=rare earth)” J. Alloy. Compd. 506[1] (2010) 27-32 DOI:10.1016/j.jallcom.2010.07.004
  • B. Li, M. Osada, T. C. Ozawa, Y. Ebina, K. Akatsuka, R. Ma, H. Funakubo and T. Sasaki : “ Engineered Interfaces of Artificial Perovskite Oxide Superlattices via Nanosheet Deposition Process ” ACS Nano 4[11] (2010) 6673-6680 DOI:10.1021/nn102144s
  • B. Li, M. Osada, T. Ozawa, K. Aakatsuka, Y. Ebina, Ma RZ, Kanta Ono, Hiroshi Funakubo, T. Sasaki : “A-Site-Modified Perovskite Nanosheets and Their Integration into High-κ Dielectric Thin Films with a Clean Interface” Jpn. J. Appl. Phys 49[9B] (2010) 09MA01-1 DOI:10.1143/JJAP.49.09MA01
2009
  • H SAMATA, D KIMURA, S MIZUSAKI, Y NAGATA, T OZAWA and A SATO : “Synthesis and characterization of neodymium oxyhydroxide crystals” J. Alloy. Compd. 468[1-2] (2009) 566-570 DOI:10.1016/j.jallcom.2008.01.056
  • S MIZUSAKI, Y ADACHI, T OHNISHI, T TANIGUCHI, Y NAGATA, T OZAWA, Y NORO and H SAMATA : “Synthesis and properties of LnRu2P2 (Ln=lanthanides) crystals” J. Alloy. Compd. 468[1-2] (2009) 28-33 DOI:10.1016/j.jallcom.2008.01.005
  • T. C. Ozawa, K. Fukuda, K. Akatsuka, Y. Ebina, K. Kurashima and T. Sasaki : “ Enhancement of Host Excitation-Mediated Photoluminescence and Preferential Quenching of Direct Photoactivator Excitation-Mediated Photoluminescence by Exfoliation of Layered KLa 0.90 Sm 0.05 Nb 2 O 7 into La 0.90 Sm 0.05 Nb 2 O 7 Nanosheets ” J. Phys. Chem. C 113[20] (2009) 8735-8742 DOI:10.1021/jp900748e
  • S. Mizusaki, Y. Toyoda, K. Nakayama, Y. Nagata, T.C. Ozawa, Y. Noro and H. Samata : “Catalysis and proton-conduction of novel phosphate glasses” J. Non-Cryst. Solids 355[16-17] (2009) 960-964 DOI:10.1016/j.jnoncrysol.2009.04.012
  • S. Mizusaki, T. Ohnishi, T. Ohnishi, Y. Nagata, T. Ozawa, H. Samata, Y. Noro : “Large anisotropic magnetoresistance of ruthenium-based Heusler alloys” J. Appl. Phys. 105[7] (2009) 07E513-1
  • L. Hu, R. Ma, T.. Ozawa and T. Sasaki : “ Oriented Monolayer Film of Gd 2 O 3 :0.05 Eu Crystallites: Quasi-Topotactic Transformation of the Hydroxide Film and Drastic Enhancement of Photoluminescence Properties ” Angew. Chem.-Int. Edit. 48[21] (2009) 3846-3849 DOI:10.1002/anie.200806206
  • S Mizusaki, T Taniguchi, N Okada, Y Nagata, N Hiraoka, M Itou, Y Sakurai, Y Noro, T C Ozawa and H Samata : “ Magnetic ground states of CaRu 1− x Mn x O 3 (0.2 ≤ x ≤ 0.9): a magnetic Compton scattering study ” J. Phys.-Condes. Matter 21[27] (2009) 276003-1 DOI:10.1088/0953-8984/21/27/276003
  • S Mizusaki, Y Toyoda, T Ohnishi, Y Nagata, M Itou, Y Sakurai, Y Noro and T C Ozawa : “ Orbital magnetic moment in Ir doped CaMnO 3 ” J. Phys.-Condes. Matter 21[33] (2009) 336001-1 DOI:10.1088/0953-8984/21/33/336001
  • 小澤忠, 佐々木高義 : “酸化物ナノシートを用いた新しい発光材料の開発” コンバーテック 10[439] (2009) 50-53
  • B. Li, M. Osada, T. Ozawa, Ma RZ, K. Aakatsuka, Y. Ebina, Hiroshi Funakubo, S. Ueda, K. Kobayashi, T. Sasaki : “Solution-Based Fabrication of Perovskite Nanosheet Films and Their Dielectric Properties” Jpn. J. Appl. Phys 48[9] (2009) 09KA15-1
  • T. Kolodiazhnyi, A. A. Belik, T. C. Ozawa and E. Takayama-Muromachi : “Phase equilibria in the BaO–MgO–Ta2O5 system” J. Mater. Chem. 19[43] (2009) 8212-8215 DOI:10.1039/b912485c
2008
  • T.C. Ozawa, A. Ikoshi, T. Taniguchi, S. Mizusaki, Y. Nagata, Y. Noro, H. Samata and S. Takayanagi : “Magnetic spin interactions observed by heat capacity measurements for layered compounds: NaLnTiO4 (Ln=Sm Eu Gd Tb Dy Ho and Er)” J. Alloy. Compd. 448[1-2] (2008) 64-68 DOI:10.1016/j.jallcom.2007.01.019
  • T.C. Ozawa, T. Taniguchi, Y. Kawaji, S. Mizusaki, Y. Nagata, Y. Noro, H. Samata, H. Mitamura and S. Takayanagi : “Magnetization and specific heat measurement of the Shastry–Sutherland lattice compounds: Ln2BaPdO5 (Ln=La Pr Nd Sm Eu Gd Dy Ho)” J. Alloy. Compd. 448[1-2] (2008) 96-103 DOI:10.1016/j.jallcom.2007.05.036
  • T.C. Ozawa, A. Ikoshi, T. Taniguchi, S. Mizusaki, Y. Nagata, Y. Noro and H. Samata : “Low temperature magnetic properties of layered compounds: NaLnTiO4 (Ln=Sm Eu Gd Tb Dy Ho and Er)” J. Alloy. Compd. 448[1-2] (2008) 38-43 DOI:10.1016/j.jallcom.2006.10.055
  • T.C. Ozawa, A. Matsushita, Y. Hidaka, T. Taniguchi, S. Mizusaki, Y. Nagata, Y. Noro and H. Samata : “Synthesis and characterization of electron and hole doped ternary palladium oxide: Sr1−xAxPd3O4 (A=Na Bi)” J. Alloy. Compd. 448[1-2] (2008) 77-83 DOI:10.1016/j.jallcom.2007.03.137
  • T. Taniguchi, S. Mizusaki, N. Okada, Y. Nagata, S. Lai, M. Lan, N. Hiraoka, M. Itou, Y. Sakurai, T. Ozawa, Y. Noro and H. Samata : “Crystallographic and magnetic properties of the mixed-valence oxides CaRu1−xMnxO3” Phys. Rev. B 77[1] (2008) 014406-1 DOI:10.1103/PhysRevB.77.014406
  • T. Ozawa, K. Fukuda, K. Aakatsuka, Y. Ebina, T. Sasaki, K. Kurashima, K. Kosuda : “Eu0.56Ta2O7: A New Nanosheet Phosphor with the High Intrananosheet-Site Photoactivator Concentration” JOURNAL OF PHYSICAL CHEMISTRY C 112[5] (2008) 1312-1315
  • S Mizusaki, J Sato, T Taniguchi, Y Nagata, S H Lai, M D Lan, T C Ozawa, Y Noro and H Samata : “ Ferromagnetism in CaMn 1− x Ir x O 3 ” J. Phys.-Condes. Matter 20[23] (2008) 235242-1 DOI:10.1088/0953-8984/20/23/235242
  • T. Ozawa, S. M. Kauzlarich : “Chemistry of Layered d-metal Pnictide Oxides and Their Potential as Candidates for New Superconductors” Sci. Tech. Adv. Mat. 9[3] (2008) 033003-1
  • T. Ozawa, K. Fukuda, K. Aakatsuka, Y. Ebina, T. Sasaki, K. Kurashima, K. Kosuda : “(K1.5Eu0.5)Ta3O10: A Far-red Luminescent Nanosheet Phosphor with the Double Perovskite Structure” JOURNAL OF PHYSICAL CHEMISTRY C 112[44] (2008) 17115-17120
  • L. Hu, Ma RZ, T. Ozawa, F. Geng, N. Iyi, T. Sasaki : “Oriented films of layered rare-earth hydroxide crystallites self-assembled at the hexane/water interface” Chem. Commun. 40 (2008) 4897-4899
2007
  • T. Taniguchi, S. Mizusaki, N. Okada, Y. Nagata, K. Mori, T. Wuernisha, T. Kamiyama, N. Hiraoka, M. Itou, Y. Sakurai, T. Ozawa, Y. Noro and H. Samata : “Anomalous volume expansion in CaRu0.85Fe0.15O3: Neutron powder diffraction and magnetic Compton scattering” Phys. Rev. B 75[2] (2007) 024414-1 DOI:10.1103/PhysRevB.75.024414
  • H SAMATA, D KIMURA, Y SAEKI, Y NAGATA and T OZAWA : “Synthesis of lanthanum oxyhydroxide single crystals using an electrochemical method” J. Cryst. Growth 304[2] (2007) 448-451 DOI:10.1016/j.jcrysgro.2007.03.025
  • T. Ozawa, K. Fukuda, K. Aakatsuka, Y. Ebina, T. Sasaki : “Preparation and characterization of the Eu3+ doped perovskite nanosheet phosphor: La0.90Eu0.05Nb2O7” Chem. Mat. 19[26] (2007) 6575-6580
2006
  • K. Nakayama, M.J. Nishi, T. Taniguchi, S. Mizusaki, Y. Nagata, T. Ozawa, Y. Noro, H. Samata : “Catalysts for hydrogen generation from water vapor” Sci. Tech. Adv. Mat. 7[1] (2006) 52-55
  • N. Kawamura, T. Taniguchi, S. Mizusaki, Y. Nagata, T. Ozawa, H. Samata : “Functional intermetallic compounds in the samarium-iron system” Sci. Tech. Adv. Mat. 7[1] (2006) 46-51
  • S. Mizusaki, T. Taniguchi, N. Okada, Y. Nagata, N. Hiraoka, T. Nagao, M. Itou, Y. Sakurai, T. C. Ozawa and Y. Noro : “Magnetic properties of CaRu[sub 1−x]Fe[sub x]O[sub 3]” J. Appl. Phys. 99[8] (2006) 08F703-1 DOI:10.1063/1.2165589
  • S. Mizusaki, T. Taniguchi, N. Okada, Y. Nagata, N. Hiraoka, T. Nagao, M. Itou, Y. Sakurai, T. Ozawa and Y. Noro : “Direct observation of the induced moment on nonmagnetic Ru: A magnetic Compton study of CaRu0.85Fe0.15O3” Phys. Rev. B 74[5] (2006) 052401-1 DOI:10.1103/PhysRevB.74.052401
2005
  • T OZAWA, T TANIGUCHI, Y KAWAJI, Y NAGATA, Y NORO, H SAMATA and S TAKAYANAGI : “Spin frustration and antiferromagnetic long range order in ( earth)” Phys. Lett. A 337 (2005) 130-134 DOI:10.1016/j.physleta.2005.01.049
  • T. Taniguchi, N. Fukuoka, T.C. Ozawa, Y. Nagata, Y. Noro and H. Samata : “Epitaxial ABO/sub 3/-type oxide films prepared by the sol-gel method” IEEE Trans. Magn. 41[10] (2005) 3355-3357 DOI:10.1109/TMAG.2005.854706

Proceedings :

  • B. Li, M. Osada, K. Aakatsuka, Y. Ebina, T. Ozawa, T. Sasaki : “Solution-Based Fabrication of Perovskite Multilayers and Superlattices Using Nanosheet Process” The 28th Meeting on Ferroelectric Materials & Their Applications JAPANESE JOURNAL OF APPLIED PHYSICS 50[9] (2011) 09NA10-1 DOI:10.1143/JJAP.50.09NA10
  • S. Mizusaki, A. Douzono, T. Ohnishi, Y. Nagata, T. Ozawa, H. Samata, Y. Noro : “Appearance of ferromagnetism in Heusler alloy Ru2Mn1-xVxGe” International Conference on Magnetism (ICM 2009) JOURNAL OF PHYSICS:CONFERENCE SERIES 200[Section 5] (2010) 052017-1
  • H. Samata, Y. Saeki, S. Mizusaki, Y. Nagata, T. Ozawa, A. Sato : “Electrochemical crystal growth of perovskite ruthenates” The 4th Asian Conference on Crystal Growth and Crystal Technolog JOURNAL OF CRYSTAL GROWTH 311[3] (2009) 623-626
  • M. Naito, S. Mizusaki, T. Taniguchi, Y. Nagata, T. Ozawa, Y. Noro, H. Samata : “Near room temperature ferromagnetism in Sr and Mn doped CaRuO3” 52nd Magnetism and Magnetic Materials Conference JOURNAL OF APPLIED PHYSICS 103[7] (2008) 07C906-1
  • S. Mizusaki, T. Taniguchi, N. Okada, Y. Nagata, M. Itou, Y. Sakurai, T. Ozawa, Y. Noro, H. Samata : “Magnetism of CaRu1-xMnxO3:studied by magnetic Compton scattering study” 52nd Magnetism and Magnetic Materials Conference JOURNAL OF APPLIED PHYSICS 103[7] (2008) 07C910-1

Oral Presentation :

  • Mar. 24-27, 2016 : SONGYeji, 井伊伸夫, 星出龍理, 海老名保男, 小澤忠司, 馬仁志, 宮元展義, 佐々木高義 : “層状ペロブスカイト酸化物のアミン類水溶液中における巨大水和膨潤挙動とその剥離への影響” 日本化学会第96春季年会(2016)
  • Mar. 09-11, 2016 : Y. Song, N. Iyi, T. Hoshide, Y. Ebina, T. Ozawa, Ma RZ, T. Sasaki : “Hydration-driven swelling and exfoliation of a layered perovskite niobate in quaternary ammonium hydroxide solutions” MANA International Symposium 2016
  • Feb. 21, 2016 : 小澤忠司 : “PTFEとの反応による土壌鉱物からのCs脱着” 公開シンポジウム「福島環境回復における安心・安全を支える科
  • Dec. 15-20, 2015 : T. Sasaki, Y. Ebina, M. Osada, Ma RZ, N. Sakai, T. Ozawa : “Heteroassembly of oxide or hydroxide nanosheets with reduced graphene oxide for designing advanced functionalities” The International Chemical Congress of Pacific Basin Societies
  • Dec. 14-20, 2015 : T. Ozawa, T. Sasaki : “Materials design using PTFE as an active deintercalation reagent” Pacifichem 2015
  • Dec. 01-03, 2015 : 佐々木高義, 海老名保男, 長田実, 馬仁志, 小澤忠司, 坂井伸行 : “酸化物ナノシートの創製と応用” 2015 年真空・表面科学合同講演会 第 35 回表面科学学術講演会第 56
  • Oct. 25-29, 2015 : T. Sasaki, Y. Ebina, M. Osada, Ma RZ, T. Ozawa : “Function design via heteroassembly of inorganic nanosheets” 7th International Conference on Recent Progress in Graphene (and
  • Sep. 10-12, 2015 : SONGYeji, 井伊伸夫, 星出龍理, 小澤忠司, 海老名保男, 馬仁志, 宮元展義, 佐々木高義 : “層状ニオブ酸系ペロブスカイトの水和膨潤による「アクアクリスタル」-巨大水和膨潤体-の生成およびナノシートへの剥離” 第66回コロイドおよび界面化学討論会
  • Mar. 26-29, 2015 : SONGYeji, 井伊伸夫, 星出龍理, 海老名保男, 小澤忠司, 馬仁志, 山内悠輔, 宮元展義, 佐々木高義 : “アミン類水溶液中での層状ペロブスカイト酸化物板状結晶の巨大水和膨潤現象” 日本化学会 第95春季年会
  • Mar. 26-29, 2015 : T. Ozawa, T. Sasaki : “AEP reaction (Alkali-metal ion extraction using PTFE as an active reagent)” 日本化学会第95春季年会
  • Mar. 11-14, 2015 : M. Hanioka, S. Arimoto, H. Samata, T. Ozawa : “Upconversion characteristics of Gd2O3 : Er3+ Yb3+ Li+” 第62回応用物理学会春季学術講演会
  • Mar. 11-14, 2015 : S. Ueda, S. Arimoto, H. Samata, T. Ozawa : “Energy transfer mechanism of downshifting luminescence of Gd2O3: Yb3+ Er3+” 第62回応用物理学会春季学術講演会
  • Mar. 11-13, 2015 : Y. Song, N. Iyi, T. Hoshide, Y. Ebina, T. Ozawa, Ma RZ, T. Sasaki : “Study on gigantic hydration swelling of layered perovskite oxide in aqueous solution of various organoammonium ions” MANA International Symposium 2015
  • Aug. 27-29, 2014 : T. Ozawa, M. Onoda, N. Iyi, T. Sasaki : “Synthesis of upconversion materials by flocculation of oxide nanosheets with rare-earth ions” Vth International Workshop on Layered Materials
  • Aug. 07-08, 2014 : 青山泰宏, 海老名保男, 小澤忠司, 藤本 憲次郎, 佐々木高義 : “新規ホモロガス系列層状ペロブスカイト型酸化物の合成と その単層剥離によるナノシートゾル化” 日本ゾルーゲル学会 第12回討論会
  • July 27, 2014 - Aug. 01, 2014 : T. Ozawa, T. Naka, A. Matsushita, S. M. Kauzlarich, T. Sasaki : “A method of alkali-metal ion extraction using PTFE (AEP) as an active reagent” Gordon Research Conference Solid State Chemistry
  • July 09-11, 2014 : T. Sasaki, Y. Ebina, T. Ozawa, M. Osada, Ma RZ : “Preparation of Exfoliated Inorganic Nanosheets and Their Assembly into Nanostructured Functional Materials” Flatlands Beyond Graphene 2014
  • May 26-30, 2014 : T. Sasaki, Y. Ebina, M. Osada, Ma RZ, T. Ozawa : “Solution-based 2D Nanoarchitectonics with Oxide Nanosheets and Function Design” Euro-MRS
  • Mar. 27-30, 2014 : 佐々木高義, 海老名保男, 長田実, 馬仁志, 小澤忠司, 坂井伸行 : “無機ナノシートの合成と精密累積による機能開発” 日本化学会第94春季年会
  • Mar. 27-30, 2014 : 小澤忠司, 小野田みつ子, 井伊伸夫, 海老名保男, 佐々木高義 : “希土類イオンを用いた酸化物ナノシート凝集によるアップコンバージョン材料デザイン” 日本化学会第94春季年会
  • Mar. 11-12, 2014 : T. Sasaki, Y. Ebina, T. Ozawa, M. Osada, Ma RZ : “Design of 2D Oxide and hydroxide Nanosheets in a Tuned Composition and Structure” Japan-Taiwan Joint Workshop on Nanospace Materials
  • Mar. 05-07, 2014 : J. Wu, Ma RZ, T. Ozawa, T. Sasaki : “Synthesis of Highly Luminescent Terbium-Doped Layered Cerium Hydroxide Pillared by Sulfate Ions and Its Luminescence Switching Properties” MANA International Symposium 2014
  • Mar. 05-07, 2014 : C. Xingke, Ma RZ, T. Ozawa, T. Sasaki : “Highly effective in-situ photo-catalytic reduction of graphene oxide with layer-by-layer assembled titania nanosheet” MANA International Symposium 2014
  • Jan. 20-22, 2014 : T. Sasaki, Y. Ebina, T. Ozawa, M. Osada, Ma RZ : “2D Inorganic Nanosheets: Synthesis and Layer-by-Layer Assembly into Functional Nanostructured Systems” ISN2A-2014
  • Aug. 01-02, 2013 : 青山泰宏, 海老名保男, 小澤忠司, 藤本 憲次郎, 伊藤 滋, 佐々木高義 : “新規ホモロガス系列層状ペロブスカイト酸化物K[An−1Nb3Tin−3O3n+1](A = Ca Sr n = 4 5 6) の合成” 日本ゾル-ゲル学会 第11回討論会
  • July 07-10, 2013 : T. Ozawa, T. Sasaki : “General Applicability of Alkali-Metal Ion Extraction and Phase Transformation Reactions at Mid-Temperature Utilizing PTFE Powder” ESSC14 (14th European Conference on Solid State Chemistry)
  • Apr. 07-11, 2013 : T. Ozawa, T. Sasaki : “Homogeneously unilamellar rare-earth photoactivated oxide nanosheets as exotic light sources” 245th ACS National Meeting
  • Mar. 26-29, 2013 : H. Samata, N. Wada, S. Mizusaki, Y. Nagata, T. Ozawa : “Van Vleck paramagnetism of EuOOH” 日本物理学会年次他大会
  • Mar. 22-25, 2013 : 小澤忠司, 福田勝利, 海老名保男, 佐々木高義 : “RbSrNb2O6Fのソフト化学的剥離によるフッ化酸化物ナノシートの創製” 日本化学会第93春季年会
  • Mar. 22-25, 2013 : 青山泰宏, 海老名保男, 小澤忠司, 藤本憲次郎, 伊藤滋, 佐々木高義 : “新規ホモロガス系列層状ペロブスカイト酸化物K[An−1Nb3Tin−3O3n+1](A = Ca Sr n = 4 5 6) の合成” 日本化学会第93春年会
  • Nov. 26-28, 2012 : T. Ozawa, T. Sasaki : “Exploration of mid-temperature alkali-metal ion extraction reactions from layered compounds using polytetrafluoroethylene (AEP) and alkali-metal ion extracted layered compounds as precursors for metastable phase synthesis” IV International Workshop on Layered Materials
  • Nov. 26-28, 2012 : A. Fukue, T. Ozawa, T. Sasaki : “Synthesis and characterization of layered molybdenum oxides and their exfoliation into MoO2 nanosheet” 4th INTERNATIONAL WORKSHOP ON LAYERED MATERIALS
  • Nov. 07-10, 2012 : B. Li, M. Osada, T. Ozawa, T. Sasaki : “Ferroelectricity in Dion-Jacobson RbBiNb2O7” The 4th China-Japan Symposium on Ferroelectric Materials
  • Oct. 18-19, 2012 : 福江明日華, 小澤忠司, 佐々木高義 : “層状酸化物AxMoO2(A=li Na)のプロトン交換特性および構造多様性” 第28回 日本イオン交換研究発表会 (2012)
  • Sep. 23-28, 2012 : B. Li, M. Osada, T. Ozawa, Y. Ebina, T. Sasaki : “Controlled Assembly of Two-Dimensional Oxide Nanosheets for novel Nanodielectrics/Nanoferroelectrics” 2012 IUMRS-International Conference on Electronic Materials
  • July 22-27, 2012 : T. Ozawa, T. Sasaki : “Mid-temperature alkali-metal ion extraction from layered compounds using PTFE (AEP) and transformation of the alkali-metal extracted layered compounds as precursors for metastable phase synthesis” Gordon Research Conference - Solid State Chemistry
  • Mar. 25-28, 2012 : T. Ozawa, Kim. Dae Sung, K. Fukuda, T. Sasaki, A. Fukue : “Preparation of An Electrically Conductive Nanosheet by Soft-Chemical Exfoliation of Na0.9MoO4” 日本化学会第92春季年会
  • Mar. 25-28, 2012 : 福江明日華, 小澤忠, KIMDae Sung, 佐々木高義 : “層状モリブデン酸化物Na0.9Mo2O4およびLixMoO2の合成とそのプロトン交換” 日本化学会第92春年会(2012)
  • Apr. 25-29, 2011 : T. Ozawa, K. Fukuda, K. Aakatsuka, Y. Ebina, T. Sasaki : “Nanosheet Lighting: Rare-earth Photoactivated Perovskite-type Nanosheets for Lighting Applications.” 2011 MRS Spring Meeting
  • Mar. 26-29, 2011 : 小澤忠, 佐々木高義 : “K0.8Ti1.73Li0.27O4からのブルッカイト合成:層間からアルカリ金属イオンを抽出した層状化合物を前駆体とした準安定化合物合成” 第90春季年会
  • Mar. 25-28, 2011 : K. Kobayashi, D. Itakura, H. Samata, Y. Nagata, S. Mizusaki, T. Ozawa : “Photoluminescence characteristics of Sm Tb ions co-substituted Gd1xEuxOOH” 日本物理学会第66回年次大会
  • Mar. 25-28, 2011 : S. Tanaka, K. Tsuji, H. Samata, Y. Nagata, S. Mizusaki, T. Ozawa : “Synthesis and transport property of Li2-xPd1-yNiyO2-δ” 日本物理学会第66回年次大会
  • Mar. 16-18, 2011 : T. Hori, H. Samata, Y. Nagata, S. Mizusaki, T. Ozawa : “Electrochemical crystal growth and characterization of BaMn1-xRuxO3 and Ba1-ySryMnO3” 日本セラミックス協会  2011年 年会
  • Mar. 16-18, 2011 : K. Hara, H. Samata, Y. Nagata, S. Mizusaki, T. Ozawa : “Fluorination and structural control of A2CuO3 (A=Ca Sr Ba) using PVDF” 日本セラミックス協会  2011年 年会
  • Dec. 15-20, 2010 : T. Ozawa, T. Sasaki : “Synthesis of brookite from K0.8Ti1.73Li0.27O4: An alkali-metal ion extracted layered compound as a template for a metastable phase synthesis in a low-temperature solid-state reaction” 2010 International Chemical Congress of Pacific Basin Societies
  • Nov. 14-18, 2010 : T. Ozawa, K. Fukuda, K. Aakatsuka, Y. Ebina, T. Sasaki : “Rare-earth Doped Oxide Nanosheets for "Nanosheet Lighting "” ICC 3rd International Congress on Ceramics
  • Nov. 14-18, 2010 : B. Li, M. Osada, T. Ozawa, Y. Ebina, K. Aakatsuka, Ma RZ, Hiroshi Funakubo, T. Sasaki : “Bottom-up Assembly of High-k Dielectric Nanofilms Using Molecularly-thin Perovskite Nanosheets as A Building Block” 3rd International Congress on Ceramics
  • Nov. 14-18, 2010 : T. Sasaki, M. Osada, Y. Ebina, Ma RZ, T. Ozawa, T. Shibata, K. Aakatsuka : “Inorganic Nanosheets as a Unique Class of Nanoscale Materials:Synthesis Properties and Applications” ICCS3 International Congress on Ceramics
  • June 21-23, 2010 : B. Li, M. Osada, T. Ozawa, Ma RZ, K. Aakatsuka, Y. Ebina, H. Funakubo, T. Sasaki : “High-k dielectric nanofilms fabricated from molecularly-thin perovskite nanosheets” STAC-4
  • May 26-29, 2010 : 長田実, 李宝文, 小澤忠, 海老名保男, 赤塚公章, 馬仁志, 舟窪浩, 佐々木高義 : “サイトエンジニアリングアプローチによる高誘電体ナノシートの誘電特性制御” 第27回強誘電体応用会議(FMA27)
  • Mar. 26-29, 2010 : 小澤忠, 福田勝利, 赤塚公章, 海老名保男, 佐々木高義 : “Nanosheet lighting: 酸化物ナノシートの高機能発光材料への応用” 日本化学会第90春季年会(2010)
  • May 27-30, 2009 : 李宝文, 長田実, 小澤忠, 馬仁志, 赤塚公章, 海老名保男, Hiroshi Funakubo, 佐々木高義 : “Bottom-up Fabrication of High-k Dielectric Nanofilms using Perovskite Nanosheets” The 26th Meeting on Ferroelectric Materials and Their Applicatio
  • May 10-14, 2009 : T. Ozawa, K. Fukuda, K. Aakatsuka, Y. Ebina, T. Sasaki : “Exfoliation of Eu3+-photoactivated Layered Single and Double Perovskites into Nanosheets” 15th International Symposium on Intercalation Compounds
  • May 10-15, 2009 : L. Hu, Ma RZ, T. Ozawa, N. Iyi, T. Sasaki : “Film Fabrication of Layered Rare-Earth Hydroxide Crystallites with Anion Exchangeability and Photoluminescence Properties” 15th International Symposium on Intercalation Compounds (ISIC15)
  • Mar. 30, 2009 - Apr. 02, 2009 : M. Hirose, S. Mizusaki, Y. Nagata, 小澤忠, Y. Noro, H. Samata : “ホイスラー型合金Ru2Ti1-xFexGeの磁気的および電気的性質” 第56回応用物理学関係連合講演会
  • Mar. 30, 2009 - Apr. 02, 2009 : S. Mizusaki, A. Douzono, T. Ohnishi, Y. Nagata, 小澤忠, Y. Noro, H. Samata : “ホイスラー型合金Co2[CrTi]Alの磁気的性質” 第56回応用物理学関係連合講演会
  • Mar. 27-30, 2009 : 小澤忠, Katsutoshi Fukuda, 赤塚公章, 海老名保男, 佐々木高義 : “希土類層状酸化物蛍光体のナノシート化による相対(ホスト励起/希土類発光中心直接励起)発光強度の著しい増加” 日本化学会第89春季年会(2009)
  • Mar. 27-30, 2009 : T. Ohnishi, S. Mizusaki, Y. Nagata, 小澤忠, Y. Noro : “RRu2P2 (R = 希土類) の磁性” 日本物理学会第64回年次大会
  • Mar. 27-30, 2009 : A. Mitsuda, T. Matoba, N. Araoka, F. Ishikawa, A. Oomura, 小澤忠, Y. Yamada, Y. Oono, H. Wada : “FeAs系超伝導体の単結晶育成と圧力・置換効果” 日本物理学会第64回年次大会
  • Mar. 27-30, 2009 : 李宝文, 長田実, 海老名保男, 小澤忠, 佐々木高義 : “レイヤーバイレイヤー累積によるペロブスカイト型ナノシート超薄膜の構築とその電気特性” 日本化学会第89春季年会(2009)
  • Mar. 27-30, 2009 : 胡林峰, 馬仁志, 小澤忠, 井伊伸夫, 佐々木高義 : “アニオン交換性と蛍光特性を示す新規層状希土類水酸化物薄膜の合成” 日本化学会第89春季年会(2009)
  • Mar. 16-18, 2009 : Y. Saeki, T. Hori, H. Samata, S. Mizusaki, Y. Nagata, T. Ozawa, A. Sato : “Electrochemical synthesis and characterization of CaRu1-xMnxO3 and Ca1-xSrxRuO3 crystals” 日本セラミックス協会2009年年会
  • Feb. 25-27, 2009 : T. Ozawa, T. Sasaki : “Preparation and photoluminescence characterizations of Ln-photoactivated oxide nanosheets for new phosphor development” The 2nd MANA International Symposium 2009
  • Nov. 10-14, 2008 : S. Mizusaki, A. Douzono, T. Ohnishi, Y. Nagata, T. Ozawa, Y. Noro : “Large anisotropic magnetoresistance in ruthenium based Heusler alloys” 53rd Annual Conference on Magnetism and Magnetic Materials
  • Oct. 11-12, 2008 : 胡林峰, 馬仁志, 小澤忠, 井伊伸夫, 佐々木高義 : “アニオン交換性と蛍光特性を示す新規層状希土類水酸化物薄膜の合成” 第24回日本イオン交換研究発表会
  • Sep. 20-23, 2008 : S. Mizusaki, A. Douen, Y. Nagata, 小澤忠, Y. Noro, H. Samata : “ホイスラー型金属間化合物における異方性磁気抵抗効果” 日本物理学会2008年秋大会
  • Sep. 20-23, 2008 : T. Ohnishi, S. Mizusaki, Y. Nagata, H. Samata, 小澤忠, Y. Noro : “希土類と遷移金属を含む燐化合物の物性” 日本物理学会2008年秋大会
  • Sep. 11-13, 2008 : T. Ozawa, K. Fukuda, K. Aakatsuka, Y. Ebina, T. Sasaki : “Preparation and Photoluminescence Characterizations of Eu3+-doped Oxide Nanosheets” 2008光化学討論会
  • May 30, 2008 - June 01, 2008 : 李宝文, 海老名保男, 小澤忠, 赤塚公章, 長田実, 佐々木高義 : “Layer-by-Layer Deposition of Perovskite Nanosheets by Langmuir-Blodgett Method into Ultrathin Multilayer Films” Joint Conferences of The 2nd STAC and The 1st STSI
  • Apr. 06-10, 2008 : T. Ozawa, K. Fukuda, K. Aakatsuka, Y. Ebina, T. Sasaki : “A paradigm of an intra-layer site activated nanosheet phosphor: La0.90Eu0.05Nb2O7” American Chemical Society National Meeting Spring 2008
  • Mar. 26-30, 2008 : T. Ozawa, K. Fukuda, K. Aakatsuka, Y. Ebina, T. Sasaki : “Synthesis and Characterization of Intra-Structure Photo-Activated Nanosheet Materials” 日本化学会 第88春季年会
  • Sep. 21-24, 2007 : E. Tachikawa, H. Samata, Y. Nagata, T. Ozawa : “Synthesis and characterization of layered oxide Li2-xMgxRuO3” the Physical Society of Japan 2007 Fall Meeting
  • Sep. 21-24, 2007 : D. Kimura, H. Samata, Y. Nagata, T. Ozawa : “Synthesis of lanthanoid oxyhydroxides crystals using an electrochemical method” the Physical Society of Japan 2007 Fall Meeting
  • Sep. 04-08, 2007 : M. Naito, S. Mizusaki, T. Taniguchi, Y. Nagata, 小澤忠, Y. Noro, H. Samata : “ぺロブスカイト酸化物(SrCa)[RuMn]O3の磁気的および電気的性質” the Japan Society of Applied Physics 2007 Autumn Meeting
  • Sep. 04-08, 2007 : M. Ogawara, S. Mizusaki, T. Taniguchi, Y. Nagata, 小澤忠, Y. Noro, H. Samata : “スピンコート法により作製したCa(RuM)3 (M=3d遷移金属)系エピタキシャル膜の物性” the Japan Society of Applied Physics 2007 Autumn Meeting
  • Sep. 04-08, 2007 : T. Ohnishi, T. Taniguchi, Y. Nagata, 小澤忠, Y. Noro, H. Samata : “ホイスラー型合金Ru2[MnFe]Geの磁気的性質” the Japan Society of Applied Physics 2007 Autumn Meeting
  • Oct. 05-07, 2006 : K. Nakayama, T. Taniguchi, S. Mizusaki, Y. Nagata, Y. Noro, T. Ozawa : “Catalysis and Proton Conduction of Novel Phosphate Glasses” The Inter-COE symposium on Energy System
  • Oct. 05-07, 2006 : N. Kawamura, S. Mizusaki, T. Taniguchi, Y. Nagata, Y. Noro, T. Ozawa : “The electronic structure of ternary intermetallic compounds (Y-Sm-Fe) - hydrogen system” The Inter-COE symposium on Energy System
  • Nov. 24-25, 2005 : T. Ozawa, A. Ikoshi, T. Taniguchi, S. Mizusaki, Y. Nagata, Y. Noro, H. Samata : “Synthesis and Characterization of Multi Nano-block Layer Integrated Magnetic Compounds” 東洋大学21世紀COEプログラム第3回国際シンポジウム

Patent :

Japanese Granted Patent
  • No. 5540407 “発光ナノシート及びこれを用いた蛍光照明体、太陽電池及びカラーディスプレー。” (2014)
  • No. 5540408 “ナノシート塗料” (2014)
  • No. 5517048 “ブルッカイトの合成方法” (2014)
  • No. 5464404 “希土類酸化物蛍光体の製造方法、および、希土類酸化物蛍光体を用いた薄膜の製造方法” (2014)
Foreign Patent
  • No.US20140205526A1 “LUMINESCENT NANOSHEETS” (2014)
  • No.EP2308947A4 “LUMINESCENT NANOSHEET, FLUORESCENT DEVICE, SOLAR CELL AND COLOR DISPLAY USING THE SAME, AND NANOSHEET COATING” (2011)
  • No.US20110114175A1 “LUMINESCENT NANOSHEETS, AND FLUORESCENT ILLUMINATORS, SOLAR CELLS AND COLOR DISPLAYS UTILIZING THE SAME AS WELL AS NANOSHEET PAINTS” (2011)
  • No.EP2308947A1 “LUMINESCENT NANOSHEET, FLUORESCENT DEVICE, SOLAR CELL AND COLOR DISPLAY USING THE SAME, AND NANOSHEET COATING” (2011)
  • No.WO2010005101A1 “LUMINESCENT NANOSHEET, FLUORESCENT DEVICE, SOLAR CELL AND COLOR DISPLAY USING THE SAME, AND NANOSHEET COATING” (2010)
NIMS Researchers