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Achivements/Papers

2017

  1. “Perovskite-Type InCoO3 with Low-Spin Co3+: Effect of In−O Covalency on Structural Stabilization in Comparison with Rare-Earth Series”,
    K. Fujita, T. Kawamoto, I. Yamada, O. Hernandez, H. Akamatsu, Y. Kumagai, F. Oba, P. Manuel, R. Fujikawa, S. Yoshida, M. Fukuda, and K. Tanaka,
    Inorg. Chem. 56, 11113–11122 (2017).
  2. “Competing Structural Instabilities in the Ruddlesden−Popper Derivatives HRTiO4 (R = Rare Earths): Oxygen Octahedral Rotations Inducing Noncentrosymmetricity and Layer Sliding Retaining Centrosymmetricity”,
    A. Sen Gupta, H. Akamatsu, F. G. Brown, M. A. T. Nguyen, M. E. Strayer, S. Lapidus, S.Yoshida, K. Fujita, K. Tanaka, I. Tanaka, T. E. Mallouk, and V. Gopalan,
    Chem. Mater. 29, 656–665 (2017).
  3. “Plasmonic−Photonic Hybrid Modes Excited on Titanium Nitride Nanoparticle Array in the Visible Region”,
    R. Kamakura, S. Murai, S. Ishii, T. Nagao, K. Fujita, and K. Tanaka,
    ACS Photonics 4, 815-822 (2017).
  4. “Preparation of Nb-doped Anatase-Type TiO2 Epitaxial Thin Films and Excitation of Surface Plasmon Polaritons”,
    S. Murai, R. Kamakura, K. Fujita, Y. Daido and K. Tanaka,
    J. Jpn. Soc. Powder Powder Metallurgy 64, 23–27 (2017).
  5. “Directional Outcoupling of Photoluminescence from Eu(III)-complex Thin Films by Plasmonic Array”,
    S. Murai, M. Saito, H. Sakamoto, M. Yamamoto, R. Kamakura, T. Nakanishi, K. Fujita, M. A. Verschuuren, Y. Hasegawa, and K. Tanaka,
    APL Photonics 2, 026104/1–10 (2017).
  6. “Giant Faraday Rotation through Ultrasmall Fen0 Clusters in Superparamagnetic FeO-SiO2 Vitreous Films”,
    Y. Nakatsuka, K. Pollok, T. Wieduwilt, F. Langenhorst, M. A. Schmidt, K. Fujita, S. Murai, K. Tanaka, and L. Wondraczek,
    Adv. Sci. 4, 1600299/1–6 (2017).
  7. “Instability of Spin Glass Phase in Divalent Iron Phosphate Glass under a Magnetic Field”,
    Y. Nakatsuka, S. Murai, K. Fujita, and K. Tanaka,
    J. Phys.: Condens. Matter 29, 025802/1–5 (2017).
  8. “Faraday Effect of Polycrystalline Bismuth Iron Garnet Thin Film Prepared by Mist Chemical Vapor Deposition Method”,
    S. Yao, R. Kamakura, S. Murai, K. Fujita, and K. Tanaka,
    J. Magn. Magn. Mater. 42, 100–104 (2017).

2016

  1. “ZnTaO2N: Stabilized High-Temperature LiNbO3‑type Structure”,
    Y. Kuno, C. Tassel, K. Fujita, D. Batuk, A. M. Abakumov, K. Shitara, A. Kuwabara, H. Moriwake, D. Watabe, C. Ritter, C. M. Brown, T. Yamamoto, F. Takeiri, R. Abe, Y. Kobayashi, K. Tanaka, and H. Kageyama,
    J. Am. Chem. Soc. 138, 15950−15955 (2016).
  2. “LiNbO3-Type InFeO3: Room-Temperature Polar Magnet without Second-Order Jahn–Teller Active Ions”,
    K. Fujita, T. Kawamoto, I. Yamada, O. Hernandez, N. Hayashi, H. Akamatsu, W.Lafargue-Dit-Hauret, X. Rocquefelte, M. Fukuzumi, P. Manuel, A. J. Studer, C. S. Knee, and K. Tanaka,
    Chem. Mater. 28, 6644−6655 (2016).
  3. “Plasmonic Mesostructures with Aligned Hotspots on Highly Oriented Mesoporous Silica Films”,
    S. Murai, S. Uno, R. Kamakura, S. Ishii, T. Nagao, K. Fujita, and K. Tanaka,
    Opt. Mater. Express 6, 2824–2833 (2016).
  4. “Mesoporous Silica Layer on Plasmonic Array: Light Trapping in a Layer with a Variable Index of Refraction”,
    S. Murai, H. Sakamoto, K. Fujita, and K. Tanaka,
    Opt. Mater. Express 6, 2736–2744 (2016).
  5. “Structural Phase Transitions in EuNbO3 Perovskite”,
    Y. Kususe, S. Yoshida, K. Fujita, H. Akamatsu, M. Fukuzumi, S. Murai, and K. Tanaka,
    J. Solid State Chem. 239, 192–199 (2016).
  6. “Plasmonic Arrays of Titanium Nitride Nanoparticles Fabricated from Epitaxial Thin Films”,
    S. Murai, K. Fujita, Y. Daido, R. Yasuhara, R. Kamakura, and K. Tanaka,
    Opt. Express 24, 1143–1153 (2016).
  7. “Fabrication of Cerium-Doped Yttrium Aluminum Garnet Thin Films by a Mist CVD Method”,
    S. Murai, T. Sato, S. Yao, R. Kamakura, K. Fujita, and K. Tanaka,
    J. Lumin. 170, 808–811 (2016).
  8. “Topochemical Nitridation with Anion Vacancy-Assisted N3–/O2– Exchange”,
    R. Mikita, T. Aharen, T. Yamamoto, F. Takeiri, T. Ya, W. Yoshimune, K. Fujita, S. Yoshida, K. Tanaka, D. Batuk, A. M. Abakumov, C. M. Brown, Y. Kobayashi, and H. Kageyama,
    J. Am. Chem. Soc. 138, 3211–3217 (2016).
  9. “Improper Inversion Symmetry Breaking and Piezoelectricity through Oxygen Octahedral Rotations in Layered Perovskite Family, LiRTiO4 (R = Rare Earths)”,
    A. Sen Gupta, H. Akamatsu, M. E. Strayer, S. Lei, T. Kuge, K. Fujita, C. dela Cruz, A. Togo, I. Tanaka, K. Tanaka, T. E. Mallouk, and V. Gopalan,
    Adv. Electron. Mater. 2, 1500196/1–10 (2016).

2015

  1. “A Labile Hydride Strategy for the Synthesis of Heavily Nitridized BaTiO3”,
    T. Yajima, F. Takeiri, K. Aidzu, H. Akamatsu, K. Fujita, W. Yoshimune, M. Ohkura, S. Lei, V. Gopalan, K. Tanaka, C. M. Brown, M. A. Green, T. Yamamoto, Y. Kobayashi, and H. Kageyama,
    Nature Chem. 7, 1017–1023 (2015).
  2. “Terbium Oxide, Fluoride, and Oxyfluoride Nanoparticles with Magneto-Optical Properties”,
    A. Kawashima, T. Nakanishi, Y. Kitagawa, K. Fujita, K. Tanaka, K. Fushimi, M. A. Malik, P. O’Brien, and Y. Hasegawa,
    Bull. Chem. Soc. Jpn. 88, 1453–1458 (2015).
  3. “Electrical Properties of Epitaxial Thin Films of Oxyhydrides ATiO3−xHx (A = Ba and Sr)”,
    G. Bouilly, T.Yajima, T. Terashima, W. Yoshimune, K. Nakano, C. Tassel, Y. Kususe, K. Fujita, K. Tanaka, T. Yamamoto, Y. Kobayashi, and H. Kageyama,
    Chem. Mater. 27, 6354−6359 (2015).
  4. “Rattling in the Quadruple Perovskite CuCu3V4O12”,
    Y. Akizuki, I. Yamada, K. Fujita, K. Taga, T. Kawakami, M. Mizumaki, and K. Tanaka,
    Angew. Chem. Int. Ed. 54, 10870–10874 (2015).
  5. “Enhanced Faraday Effect in Porous Iron Oxide Thin Films Coupled to Localized Surface Plasmon Resonances”,
    S. Murai, M. Aratani, K. Fujita, and K. Tanaka,
    J. Jpn. Soc. Powder Powder Metallurgy 62, 18–26 (2015).
  6. “Faraday Effect of Bismuth Iron Garnet Thin Film Prepared by Mist CVD Method”,
    S. Yao, T. Sato, K. Kaneko, S. Murai, K. Fujita, and K. Tanaka,
    Jpn. J. Appl. Phys. 54, 063001/1–6 (2015).
  7. “Preparation and Properties of Sol–Gel Derived CuFeO2 Thin Films by Dip-Coating Technique”,
    H. Nasu, M. Hasegawa, T. Hashimoto, A. Ishihara, K. Fujita, and K. Tanaka,
    J. Ceram. Soc. Jpn. 123, 448–451 (2015).
  8. “An Antiferro-to-Ferromagnetic Transition in EuTiO3-xHx Induced by Hydride Substitution”,
    T. Yamamoto, R. Yoshii, G. Bouilly, Y. Kobayashi, K. Fujita, Y. Kususe, Y. Matsushita, K. Tanaka, and H. Kageyama,
    Inorg. Chem. 54, 1501–1507 (2015).
  9. “MnTaO2N: Polar LiNbO3-type Oxynitride with a Helical Spin Order”,
    C. Tassel, Y. Kuno, Y. Goto, T. Yamamoto, C. M. Brown, J. Hester, K. Fujita, M. Higashi, R. Abe, K. Tanaka, Y. Kobayashi, and H. Kageyama,
    Angew. Chem. Int. Ed. 54, 516–521 (2015).

2014

  1. “Substrate-Induced Anion Rearrangement in Epitaxial Thin Films of LaSrCoO4-xHx”,
    G. Bouilly, T. Yajima, T. Terashima, Y. Kususe, K. Fujita, C. Tassel, T. Yamamoto, K. Tanaka, Y. Kobayashi, and H. Kageyama,
    CrystEngComm 16, 9669–9674 (2014).
  2. “Room-Temperature Polar Ferromagnet ScFeO3 Transformed from a High-Pressure Orthorhombic Perovskite Phase”,
    T. Kawamoto, K. Fujita, I. Yamada, T. Matoba, S. J. Kim, P. Gao, X. Pan, S. D. Findlay, C. Tassel, H. Kageyama, A. J. Studer, J. Hester, T. Irifune, H. Akamatsu, and K. Tanaka,
    J. Am. Chem. Soc. 136, 15291–15299 (2014).
  3. “Accelerated Discovery of Cathode Materials with Prolonged Cycle Life for Lithium-ion Battery”,
    M. Nishijima, T. Ootani, Y. Kamimura, T. Sueki, S. Esaki, S. Murai, K. Fujita, K. Tanaka, K. Ohira, Y. Koyama, and I. Tanaka,
    Nature Commun. 5, 4553/1–7 (2014).
  4. “Enhancement of Optical Faraday Effect of Nonanuclear Tb(III) Complexes”,
    T. Nakanishi, Y. Suzuki, Y. Doi, T. Seki, H. Koizumi, K. Fushimi, K. Fujita, Y. Hinatsu, H. Ito, K. Tanaka, and Y. Hasegawa,
    Inorg. Chem. 53, 7635–7641 (2014).
  5. “Inversion Symmetry Breaking by Oxygen Octahedral Rotations in the Ruddlesden-Popper NaRTiO4 Family”,
    H. Akamatsu, K. Fujita, T. Kuge, A. Sen Gupta, A. Togo, S. Lei, F. Xue, G. Stone, J. M. Rondinelli, Long-Qing Chen, I. Tanaka, V. Gopalan, and K. Tanaka,
    Phys. Rev. Lett. 112, 187602/1–5 (2014).
  6. “Magnetic and Transport Properties of EuTiO3 Thin Films Doped with Nb”,
    Y. Kususe, H. Murakami, K. Fujita, I. Kakeya, M. Suzuki, S. Murai, and K. Tanaka,
    Jpn. J. Appl. Phys. 53, 05FJ07/1–6 (2014).
  7. “Preparation of Yttrium Iron Garnet Thin Films by Mist Chemical Vapor Deposition Method and Their Magneto-Optical Properties”,
    S. Yao, T. Sato, K. Kaneko, S. Murai, K. Fujita, and K. Tanaka,
    Jpn. J. Appl. Phys. 53, 05FB17/1–5 (2014).
  8. “Superspin Glass Behavior of Amorphous FeO–SiO2 Thin Films”,
    Y. Nakatsuka, H. Akamatsu, S. Murai, K. Fujita, and K. Tanaka,
    Jpn. J. Appl. Phys. 53, 05FB11/1–5 (2014).
  9. “Magnetic Structures of FeTiO3-Fe2O3 Solid Solution Thin Films Studied by Soft X-ray Magnetic Circular Dichroism and ab initio Multiplet Calculations”,
    H. Hojo, K. Fujita, H. Ikeno, T. Matoba, T. Mizoguchi, I. Tanaka, T. Nakamura, Y. Takeda, T. Okane, and K. Tanaka,
    Appl. Phys. Lett. 104, 112408/1–5 (2014).
  10. “Multi-Color Light Emissions from Mesoporous Silica Particles Embedded with Ga2O3 Nanocrystals”,
    Y. Zong, X. Meng, K. Fujita, and K. Tanaka,
    Opt. Mater. Express 4, 518–524 (2014).

2013

  1. “AgCu3V4O12: a Novel Perovskite Containing Mixed-Valence Silver Ions”,
    Y. Akizuki, I. Yamada, K. Fujita, H. Akamatsu, T. Irifune, and K. Tanaka,
    Inorg. Chem. 52, 13824–13826 (2013).
  2. “Novel Opto-Magnetic Silicate Glass with Semiconductor EuS Nanocrystals”,
    T. Nakanishi, M. Maeda, A. Kawashima, S. Kamiya, K. Fushimi, K. Fujita, K. Tanaka, and Y. Hasegawa,
    J. Alloys Comp. 562, 123–127 (2013).
  3. “Effective Optical Faraday Rotations of Semiconductor EuS Nanocrystals with Paramagnetic Transition-Metal Ions”,
    Y. Hasegawa, M. Maeda, T. Nakanishi, Y. Doi, Y. Hinatsu, K. Fujita, K. Tanaka, H. Koizumi, and K. Fushimi,
    J. Am. Chem. Soc. 135, 2659–2666 (2013).
  4. “A-site Ordered Perovskite MnCu3V4O12 with a 12-Coordinated Manganese(II)”,
    Y. Akizuki, I. Yamada, K. Fujita, N. Nishiyama, T. Irifune, T. Yajima, H. Kageyama, and K. Tanaka,
    Inorg. Chem. 52, 11538–11543 (2013).
  5. “Metal–Dielectric Core–Shell Nanoparticles: Advanced Plasmonic Architectures Towards Multiple Control of Random Lasers”,
    X. Meng, K. Fujita, Y. Moriguchi, Y. Zong, and K. Tanaka,
    Adv. Opt. Mater. 1, 573–580 (2013).
  6. “Enhanced Magneto-Optical Properties of Semiconductor EuS Nanocrystals Assisted by Surface Plasmon Resonance of Gold Nanoparticles”,
    A. Kawashima, T. Nakanishi, T. Shibayama, S. Watanabe, K. Fujita, K. Tanaka, H. Koizumi, K. Fushimi, and Y. Hasegawa,
    Chem. Eur. J. 19, 14438–14445 (2013).
  7. “Synthesis of Gold-Silica Core-Shell Nanoparticles with Tunable Shell Thickness”,
    Y. Moriguchi, X. Meng, K. Fujita, S. Murai, and K. Tanaka,
    J. Jpn. Soc. Powder Powder Metallurgy 60, 49–54 (2013).
  8. “Unidirectional Spaser in Symmetry-Broken Plasmonic Core-Shell Nanocavity”,
    X. Meng, U. Guler, A. V. Kildishev, K. Fujita, K. Tanaka, and V. M. Shalaev,
    Sci. Rep. 3, 1241/1–5 (2013).
  9. “Wavelength-Tunable Spasing in the Visible”,
    X. Meng, A. V. Kildishev, K. Fujita, K. Tanaka, and V. M. Shalaev,
    Nano Lett. 13, 4106–4112 (2013).
  10. “Strong Spin-Lattice Coupling through Oxygen Octahedral Rotation in Divalent Europium Perovskites”,
    H. Akamatsu, Y. Kumagai, F. Oba, K. Fujita, K. Tanaka, and I. Tanaka,
    Adv. Funct. Mater. 23, 1864–1872 (2013).
  11. “Magneto-Optical Properties of Eu2+-Containing Aluminoborosilicate Glasses with Ferromagnetic Interactions”,
    H. Akamatsu, K. Fujita, Y. Nakatsuka, S. Murai, and K. Tanaka,
    Opt. Mater. 35, 1997–2000 (2013).
  12. “Anisotropic Growth of Zinc Oxide Pillars on Silver Nanoparticles By Oblique Angle Deposition”,
    S. Murai, T. Matoba, C. T. Nelson, T. Komine, K. Fujita, X. Pan, and K. Tanaka,
    J. Ceram. Soc. Jpn. 121, 710–713 (2013).
  13. “Ferromagnetic Amorphous Oxides in EuO-TiO2 System Studied by Faraday Effect in the Visible Region and X-ray Magnetic Circular Dichroism at the Eu M4,5– and L2,3-Edges”,
    T. Kawamoto, K. Fujita, H. Akamatsu, T. Nakamura, T. Kinoshita, M. Mizumaki, N. Kawamura, M. Suzuki, Y. Kususe, S. Murai, and K. Tanaka,
    Phys. Rev. B 88, 024405/1–9 (2013).
  14. “Ferromagnetism induced by lattice volume expansion and amorphization in EuTiO3 thin films”,
    K. Tanaka, K. Fujita, Y. Maruyama, Y. Kususe, H. Murakami, H. Akamatsu, Y. Zong, and S. Murai,
    J. Mater. Res. 28, 1031–1041 (2013).

2012

  1. “Atomically Smooth and Single Crystalline Indium Tin Oxide Thin Film with Low Optical Loss”,
    R. Yasuhara, S. Murai, K. Fujita, and K. Tanaka,
    Phys. Status Solidi C 9, 2533–2536 (2012).
  2. “Tuning the Wavelength of Amplified Spontaneous Emission Coupled to Localized Surface Plasmon”,
    S. Murai, Y. Tokuda, K. Fujita, and K. Tanaka,
    Appl. Phys. Lett. 101, 031117/1–3 (2012).
  3. “Modified Faraday Rotation in a Three-Dimensional Magnetophotonic Opal Crystal Consisting of Maghemite/Silica Composite Spheres”,
    S. Murai, S. Yao, T. Nakamura, T. Kawamoto, K. Fujita, K. Yano, and K. Tanaka,
    Appl. Phys. Lett. 101, 151121/1–4 (2012).
  4. “First Synthesis of EuS Nanoparticle Thin Film with Wide Energy Gap and Giant Magneto-Optical Efficiency on Glass Electrode”,
    Y. Hasegawa, M. Kumagai, A. Kawashima, T. Nakanishi, K. Fujita, K. Tanaka, and K. Fushimi,
    J. Phys. Chem. C 116, 19590–19596 (2012).
  5. “Crystal and Electronic Structure and Magnetic Properties of Divalent Europium Perovskite Oxides EuMO3 (M = Ti, Zr, and Hf): Experimental and First-Principles Approaches”,
    H. Akamatsu, K. Fujita, H. Hayashi, T. Kawamoto, Y. Kumagai, Y. Zong, K. Iwata, F. Oba, I. Tanaka, and K. Tanaka,
    Inorg. Chem. 51, 4560–4567 (2012).
  6. “Local Structure of Amorphous EuO-TiO2 Thin Films Probed by X-Ray Absorption Fine Structure”,
    Y. Zong, K. Fujita, H. Akamatsu, S. Nakashima, S. Murai, and K. Tanaka,
    J. Am. Ceram. Soc. 95, 716–720 (2012).

2011

  1. “Enhancement of Optical Birefringence in Tellurite Glasses Containing Silver Nanoparticles Induced via Thermal Poling”,
    S. Murai, R. Hattori, T. Matoba, K. Fujita, and K. Tanaka,
    J. Non-Cryst. Solids. 357, 2259–2263 (2011).
  2. “Plasmonically Controlled Lasing Resonance with Metallic-Dielectric Core-Shell Nanoparticles”,
    X. Meng, K. Fujita, S. Murai, and K. Tanaka,
    Nano Lett. 11, 1374–1378 (2011).
  3. “Scattering-Based Hole Burning Mediated by Localized Surface Plasmon Resonance in Photoreactive Random Media Containing Ag Nanoparticles”,
    S. Murai, Y. Fujimoto, K. Iwata, K. Fujita, and K. Tanaka,
    Appl. Phys. Lett. 98, 121917/1–3 (2011).
  4. “Antiferromagnetic Superexchange via 3d States of Titanium in EuTiO3 As Seen From Hybrid Hartree-Fock Density Functional Calculations”,
    H. Akamatsu, Y. Kumagai, F. Oba, K. Fujita, H. Murakami, K. Tanaka, and I. Tanaka,
    Phys. Rev. B 83, 214421/1–6 (2011).
  5. “Ferromagnetic Properties with Reentrant Spin-Glass Behavior in Amorphous EuZrO3”,
    Y. Zong, K. Fujita, H. Akamatsu, S. Murai, and K. Tanaka,
    Phys. Status Solidi C 8, 3051–3054 (2011).
  6. “Magnetic Properties of Oxide Glasses Containing Iron and Rare-Earth Ions”,
    H. Akamatsu, J. Kawabata, K. Fujita, S. Murai, and K. Tanaka,
    Phys. Rev. B 84, 144408/1–8 (2011).
  7. “Scattering-Based Hole Burning in Y3Al5O12:Ce3+ Monoliths with Hierarchical Structures Prepared via the Sol-Gel Route”,
    S. Murai, K. Fujita, K. Iwata, and K. Tanaka,
    The J. Phys. Chem. C 115, 17676–17681 (2011).
  8. “Enhanced Form Birefringence of Metal Nanoparticles with Anisotropic Shell Mediated by Localized Surface Plasmon Resonance”,
    S. Murai, T. Tsujiguchi, K. Fujita, and K. Tanaka,
    Opt. Express 19, 23581–23589 (2011).

2010

  1. “Direct Creation of a Photoinduced Metallic Structure and Its Optical Properties in the Terahertz Frequency Region”,
    T. Okada, K. Ooi, Y. Nakata, K. Fujita, K. Tanaka, and K. Tanaka,
    Opt. Lett. 35, 1719–1721 (2010).
  2. “Random Lasing in Ballistic and Diffusive Regimes for Macroporous Silica-Based Systems with Tunable Scattering Strength”,
    X. Meng, K. Fujita, S. Murai, J. Konishi, M. Mano, and K. Tanaka,
    Opt. Express 18, 12153–12160 (2010).
  3. “High-Density Excitation Effect on Photoluminescence in ZnO Nanoparticles”,
    K. Suzuki, M. Inoguchi, K. Fujita, S. Murai, K. Tanaka, N. Tanaka, A. Ando, and H. Takagi,
    J. Appl. Phys. 107, 124311/1–6 (2010).
  4. “Antiferromagnetism of Perovskite EuZrO3”,
    Y. Zong, K. Fujita, H. Akamatsu, S. Murai, and K. Tanaka,
    J. Solid State Chem. 183, 168–172 (2010).
  5. “Ferromagnetic Eu2+-Based Oxide Glasses with Re-Entrant Spin Glass Behavior”,
    H. Akamatsu, K. Fujita, S. Murai, and K. Tanaka,
    Phys. Rev. B 81, 014423/1–9 (2010).
  6. “Magnetodielectric Effect in EuZrO3”,
    T. Kolodiazhnyi, K. Fujita, L. Wang, Y. Zong, K. Tanaka, Y. Sakka, and E. Takayama-Muromachi,
    Appl. Phys. Lett. 96, 252901/1–3 (2010).
  7. “Impact of Amorphization on the Magnetic Properties of EuO-TiO2 System”,
    H. Akamatsu, K. Fujita, Y. Zong, N. Takemoto, S. Murai, and K. Tanaka,
    Phys. Rev. B 82, 224403/1–8 (2010).
  8. “Preparation and Magnetic Properties of Amorphous EuTiO3 Thin Films”,
    Y. Zong, K. Kugimiya, K. Fujita, H. Akamatsu, K. Hirao, and K. Tanaka,
    J. Non-Cryst. Solids 356, 2389–2392 (2010).
  9. “Optical Properties of Macroporous Y3Al5O12 Crystals Doped with Rare Earth Ions Synthesized via Sol-Gel Process from Ionic Precursors”,
    S. Murai, K. Fujita, K. Iwata, and K. Tanaka,
    Opt. Mater. 33, 123–127 (2010).
  10. “Random Lasing from Localized Modes in Strongly-Scattering System Consisting of Macroporous Titania Monoliths Infiltrated with Dye Solution”,
    S. Murai, K. Fujita, J. Konishi, K. Hirao, and K. Tanaka,
    Appl. Phys. Lett. 97, 031118/1–3 (2010).

2009

  1. “Magnetic Properties of Disordered Ferrite and Ilmenite-Hematite Thin Films”,
    K. Tanaka, K. Fujita, S. Nakashima, H. Hojo, and T. Matoba,
    J. Magn. Magn. Mater. 321, 818–821 (2009).
  2. “High-Quality Antiferromagnetic EuTiO3 Epitaxial Thin Films on SrTiO3 Prepared by Pulsed Laser Deposition and Post-Annealing”,
    K. Fujita, N. Wakasugi, S. Murai, Y. Zong, and K. Tanaka,
    Appl. Phys. Lett. 94, 062512/1–3 (2009).
  3. “Enhanced Magnetization and Ferrimagnetic Behavior of Normal Spinel ZnFe2O4 Thin Film Irradiated with Femtosecond Laser”,
    S. Nakashima, K. Fujita, A. Nakao, K. Tanaka, Y. Shimotsuma, K. Miura, and K. Hirao,
    Appl. Phys. A 94, 83–88 (2009).
  4. “Coherent Random Lasers in Weakly Scattering Polymer Films Containing Silver Nanoparticles”,
    X. Meng, K. Fujita, S. Murai, Y. Zong, S. Akasaka, H. Hasegawa, and K. Tanaka,
    Phys. Rev. A 79, 053817/1–7 (2009).
  5. “Coherent Random Lasers from Weakly Scattering Polymer Films Embedded with Superfine Silver Nanoparticles”,
    X. Meng, K. Fujita, S. Murai, Y. Zong, S. Akasaka, H. Hasegawa, and K. Tanaka,
    Phys. Status Solidi C 6, S102–S105 (2009).
  6. “Random Lasing Actions Induced by Silver Nanoprisms”,
    X. Meng, K. Fujita, S. Murai, and K. Tanaka,
    J. Jpn. Soc. Powder Powder Metallurgy 56, 645–650 (2009).
  7. “Optical Birefringence in Tellurite Glass Containing Silver Nanoparticles Precipitated through Thermal Process”,
    S. Murai, R. Hattori, K. Fujita, and K. Tanaka,
    Appl. Phys. Express 2, 102001/1–3 (2009).
  8. “Epitaxial Growth of Room-Temperature Ferrimagnetic Semiconductor Thin Films Based on Fe3O4-Fe2TiO4 Solid Solution”,
    H. Murase, K. Fujita, S. Murai, and K. Tanaka,
    Mater. Trans. 50, 1076–1080 (2009).
  9. “Magnetic Properties in Ilmenite-Hematite Solid Solution Thin Films: Direct Observation of Antiphase Boundaries and Their Correlation with Magnetism”,
    H. Hojo, K. Fujita, T. Mizoguchi, K. Hirao, I. Tanaka, K. Tanaka, and Y. Ikuhara,
    Phys. Rev. B 80, 075414/1–5 (2009).
  10. “Magnetic Properties of Mixed-Valence Iron Phosphate Glasses”,
    H. Akamatsu, S. Oku, K. Fujita, S. Murai, and K. Tanaka,
    Phys. Rev. B 80, 134408/1–9 (2009).
  11. “Sol-Gel Synthesis of Macro-Mesoporous Titania Monoliths and Their Applications to Chromatographic Separation Media for Organophosphate Compounds”,
    J. Konishi, K. Fujita, K. Nakanishi, K. Hirao, K. Morisato, S. Miyazaki, and M. Ohira,
    J. Chromatogr. A 1216, 7375–7383 (2009).
  12. “Structural Characterization of Hierarchically Porous Alumina Aerogel and Xerogel Monoliths”,
    Y. Tokudome, K. Nakanishi, K. Kanamori, K. Fujita, H. Akamatsu, and T. Hanada,
    J. Colloid Interface Sci. 338, 506–513 (2009).

2008

  1. “Cr3+-Doped Macroporous Al2O3 Monoliths Prepared by the Metal-Salt-Derived Sol-Gel Methods”,
    K. Fujita, Y. Tokudome, K. Nakanishi, K. Miura, and K. Hirao,
    J. Non-Cryst. Solids 354, 659–664 (2008).
  2. “Crystalline ZrO2 Monoliths with Well-Defined Macropores and Mesostructured Skeletons Prepared by Combining the Alkoxy-Derived Sol-Gel Process Accompanied by Phase Separation and the Solvothermal Process”,
    J. Konishi, K. Fujita, S. Oiwa, K. Nakanishi, and K. Hirao,
    Chem. Mater. 20, 2165–2173 (2008).
  3. “Alkoxy-Derived Multiscale Porous TiO2 Gels Probed by Ultra-Small-Angle X-Ray Scattering and Small-Angle X-Ray Scattering”,
    J. Konishi, K. Fujita, K. Nakanishi, S. Nishitsuji, M. Takenaka, K. Miura, and K. Hirao,
    J. Sol-Gel Sci. Technol. 46, 63–69 (2008).
  4. “Random Lasers with Coherent Feedback from Highly Transparent Polymer Films Embedded with Silver Nanoparticles”,
    X. Meng, K. Fujita, Y. Zong, S. Murai, and K. Tanaka,
    Appl. Phys. Lett. 92, 201112/1–3 (2008).
  5. 「熱ポーリング処理によるテルライトガラス表面での銀超微粒子の析出」，
    川瀬園子，右近咲希子，村井俊介，藤田晃司，田中勝久,
    粉体および粉末冶金 55, 221–227 (2008).
  6. “Second-Harmonic Generation in Thermally Poled Na2O-Al2O3-TeO2 Glasses”,
    S. Ukon, Y. Tsujiie, S. Murai, K. Fujita, and K. Tanaka,
    Adv. Mater. Res. 247, 247–252 (2008).
  7. “Scattering-Based Hole Burning through Volume Speckles in a Random Medium with Tunable Diffusion Constant”,
    S. Murai, K. Fujita, T. Hirao, K. Nakanishi, K. Hirao, and K. Tanaka,
    Appl. Phys. Lett. 93, 151912/1–3 (2008).
  8. “Effect of Microscopic Structure and Porosity on the Photoluminescence Properties of Silica Gels”,
    Y. Nakazaki, K. Fujita, K. Tanaka, and T. Uchino,
    J. Phys. Chem. C 112, 10878–10882 (2008).
  9. “Intense Visible Emissions from d0 Ions-doped Silicate Glasses”,
    X. Meng, S. Murai, K. Fujita, and K. Tanaka,
    J. Ceram. Soc. Jpn. 116, 1147–1149 (2008).
  10. “Magnetic Properties of Disordered Oxides with Iron and Manganese Ions”,
    K. Tanaka, H. Akamatsu, S. Nakashima, and K. Fujita,
    J. Non-Cryst. Solids 354, 1346–1351 (2008).
  11. “Magnetic Phase Transitions in Fe2O3-Bi2O3-B2O3 Glasses”,
    H. Akamatsu, K. Tanaka, K. Fujita, and S. Murai,
    J. Phys.: Condens. Matter. 20, 235216/1–9 (2008).
  12. “Magnetic Properties of Amorphous Fe2O3–R2O3 (R = La, Gd and Tb) Thin Films Fabricated by Sputtering Method”,
    H. Akamatsu, S. Murai, K. Fujita, and K. Tanaka,
    Adv. Mater. Res. 207, 207–212 (2008).
  13. “Remarkable Magneto-optical Properties of Europium Selenide Nanoparticles with Wide Energy Gaps”,
    Y. Hasegawa, T. Adachi, A. Tanaka, M. Afzaal, P. O’Brien, T. Doi, Y. Hinatsu, K. Fujita, K. Tanaka, and T. Kawai,
    J. Am. Chem. Soc. 130, 5710–5715 (2008).
  14. “Magneto-Optical Properties of Transparent Divalent Iron Phosphate Glasses”,
    H. Akamatsu, K. Fujita, S. Murai, and K. Tanaka,
    Appl. Phys. Lett. 92, 251908/1–3 (2008).
  15. “Structural and Magnetic Properties of CdFe2O4 Thin Films Fabricated via Sputtering Method”,
    H. Akamatsu, Y. Zong, Y. Fujiki, K. Kamiya, K. Fujita, S. Murai, and K. Tanaka,
    IEEE Trans. Magn. 44, 2796–2799 (2008).

2007

  1. “Optically Produced Cross Patterning Based On Local Dislocations Inside MgO Single Crystals”,
    S. Kanehina, K. Miura, K. Fujita, K. Hirao, J. Si, N. Shibata, and Y. Ikuhara,
    Appl. Phys. Lett. 90, 163110/1–3 (2007).
  2. “Temperature-Tunable Scattering Strength Based on the Phase Transition of Liquid Crystal Infiltrated in Well-Defined Macroporous Random Media”,
    S. Murai, K. Fujita, T. Hirao, K. Nakanishi, and K. Hirao,
    Opt. Mater. 29, 949–954 (2007).
  3. “Intense Greenish Emission from d0 Transition Metal Ion Ti4+ in Oxide Glass”,
    X. Meng, K. Tanaka, K. Fujita, and S. Murai,
    Appl. Phys. Lett. 90, 051917/1–3 (2007).
  4. “Formation of Silver Nanoparticles Under Anodic Surface of Tellurite Glass via Thermal Poling-Assisted Ion Implantation Across Solid-State Interface”,
    S. Murai, K. Fujita, S. Kawase, S. Ukon, and K. Tanaka,
    J. Appl. Phys. 102, 073515/1–4 (2007).
  5. “Sol-Gel Synthesis of Macroporous YAG From Ionic Precursors via Phase Separation Route”,
    Y. Tokudome, K. Fujita, K. Nakanishi, K. Kanamori, K. Miura, K. Hirao, and T. Hanada,
    J. Ceram. Soc. Jpn. 115, 925–928 (2007).
  6. “Synthesis of Monolithic Al2O3 with Well-Defined Macropores and Mesostructured Skeletons via the Sol-Gel Process Accompanied by Phase Separation”,
    Y. Tokudome, K. Fujita, K. Nakanishi, K. Miura, and K. Hirao,
    Chem. Mater. 19, 3393–3398 (2007).
  7. “Preparation and Magnetic Properties of Oxygen Deficient EuTiO3-δ Thin Films”,
    K. Kugimiya, K. Fujita, K. Tanaka, and K. Hirao,
    J. Magn. Magn. Mater. 310, 2268–2270 (2007).
  8. “Spin Dynamics in Oxide Glass of Fe2O3-Bi2O3-B2O3 System”,
    H. Akamatsu, K. Tanaka, K. Fujita, and S. Murai,
    J. Magn. Magn. Mater. 310, 1506–1507 (2007).
  9. “First-Principles XANES Simulations of Spinel Zinc Ferrite with a Disordered Cation Distribution”,
    S. Nakashima, K. Fujita, K. Tanaka, K. Hirao, T. Yamamoto, and I. Tanaka,
    Phys. Rev. B 75, 174443/1–8 (2007).
  10. “Thermal Annealing Effect on Magnetism and Cation Distribution in Disordered ZnFe2O4 Thin Films Deposited on Glass Substrates”,
    S. Nakashima, K. Fujita, K. Tanaka, K. Hirao, T. Yamamoto, and I. Tanaka,
    J. Magn. Magn. Mater. 310, 2543–2545 (2007).
  11. “Room-Temperature Ferromagnetic Phase in ZnO-MnO2 System via Solid-State Reaction”,
    K. Tanaka, K. Fukui, S. Murai, and K. Fujita,
    J. Magn. Magn. Mater. 310, 2095–2096 (2007).
  12. “Fabrication of p-type Ferrimagnetic Semiconductor Thin Films Based on FeTiO3-Fe2O3 Solid Solution”,
    H. Hojo, K. Fujita, K. Tanaka, and K. Hirao,
    J. Magn. Magn. Mater. 310, 2105–2107 (2007).

2006

  1. “Intense Blue Emission from Tantalum-Doped Silicate Glass”,
    X. Meng, S. Murai, K. Fujita, and K. Tanaka,
    Appl. Phys. Lett. 89, 061914/1–3 (2006).
  2. “Two-Photon-Excited Fluorescence from Silicate Glass Containing Tantalum Ions Pumped by a Near-Infrared Femtosecond Pulsed Laser”,
    X. Meng, K. Tanaka, S. Murai, K. Fujita, K. Miura, and K. Hirao,
    Opt. Lett. 31, 2867–2869 (2006).
  3. “Second-Harmonic Generation in Thermally Poled Chalcohalide Glass”,
    R. Jing, Y. Guang, Z. Huidan, C. Guorong, K. Tanaka, K. Fujita, S. Murai, and Y. Tsujiie,
    Opt. Lett. 31, 3492–3494 (2006).
  4. “Direct Observation of the Spatial Distribution of Samarium Ions in Alumina-Silica Macroporous Monoliths by Laser Scanning Confocal Microscopy”,
    S. Murai, K. Fujita, K. Nakanishi, and K. Hirao,
    J. Alloys Comp. 408-412, 831–834 (2006).
  5. “Phase-Separation-Induced Titania Monoliths with Well-Defined Macropores and Mesostructured Framework from Colloid-Derived Sol-Gel Systems”,
    J. Konishi, K. Fujita, K. Nakanishi, and K. Hirao,
    Chem. Mater. 18, 864–866 (2006).
  6. “Morphological Control and Strong Light Scattering in Macroporous TiO2 Monoliths Prepared via a Colloid-Derived Sol-Gel Route”,
    K. Fujita, J. Konishi, K. Nakanishi, and K. Hirao,
    Sci. Technol. Adv. Mater. 7, 511–518 (2006).
  7. “Monolithic TiO2 with Controlled Multi-Scale Porosity via Template-Free Sol-Gel Process Accompanied by Phase Separation”,
    J. Konishi, K. Fujita, K. Nakanishi, and K. Hirao,
    Chem. Mater. 18, 6069–6074 (2006).
  8. “Formation of Photonic Structures in Sm2+-Doped Aluminosilicate Glasses through Phase Separation”,
    K. Fujita, S. Murai, K. Nakanishi, and K. Hirao,
    J. Non-Cryst. Solids 352, 2496–2500 (2006).
  9. “Fabrication of Sm2+-Doped Macroporous Aluminosilicate Glasses with High Alumina Content”,
    T. Hirao, K. Fujita, S. Murai, K. Nakanishi, and K. Hirao,
    J. Non-Cryst. Solids 352, 2553–2557 (2006).
  10. “Variation of Emission Spectra of Er3+-Doped YAG-Based Solid Solution”,
    M. Nishi, S. Tanabe, K. Fujita, and K. Hirao,
    J. Alloys Comp. 408-412, 788–790 (2006).
  11. “Mechanical Milling-Induced Room-Temperature Ferromagnetic Phase in MnO2-ZnO System”,
    K. Tanaka, K. Fukui, S. Murai, and K. Fujita,
    Appl. Phys. Lett. 89, 052501/1–3 (2006).
  12. “Spin Dynamics in Fe2O3-TeO2 Glass: Experimental Evidence for an Amorphous Oxide Spin Glass”,
    H. Akamatsu, K. Tanaka, K. Fujita, and S. Murai,
    Phys. Rev. B 74, 012411/1–4 (2006).
  13. “Room-Temperature Ferrimagnetic Semiconductor 0.6FeTiO3‧0.4Fe2O3 Solid Solution Thin Films”,
    H. Hojo, K. Fujita, K. Tanaka, and K. Hirao,
    Appl. Phys. Lett. 89, 142503/1–3 (2006).
  14. “Epitaxial Growth of Room-Temperature Ferrimagnetic Semiconductor Thin Films Based on the Ilmenite-Hematite Solid Solution”,
    H. Hojo, K. Fujita, K. Tanaka, and K. Hirao,
    Appl. Phys. Lett. 89, 082509/1–3 (2006).
  15. “Large Faraday Effect in a Short Wavelength Range for Disordered Zinc Ferrite Thin Films”,
    K. Tanaka, S. Nakashima, K. Fujita, and K. Hirao,
    J. Appl. Phys. 99, 106103/1–3 (2006).

2005

  1. “Optical-Telecommunication-Band Fluorescence Properties of Er3+-Doped YAG Nanocrystals Synthesized by Glycothermal Method”,
    M. Nishi, S. Tanabe, M. Inoue, M. Takahashi, K. Fujita, and K. Hirao,
    Opt. Mater. 27, 655–662 (2005).
  2. “Photoreduction of Ag+ in Aluminosilicate Glasses Induced by Irradiation of a Femtosecond Laser”,
    B. Hua, J. Qiu, Y. Shimotsuma, K. Fujita, and K. Hirao,
    J. Mater. Res. 20, 644–648 (2005).
  3. “Space-Selective Precipitation of Nonlinear Optical Crystals Inside Silicate Glasses Using Near-Infrared Femtosecond Laser”,
    Y. Yonesaki, R. Araki, K. Miura, K. Fujita, and K. Hirao,
    J. Non-Cryst. Solids 351, 885–892 (2005).
  4. “Periodic Nanovoid Structures via Femtosecond Laser Irradiation”,
    S. Kanehira, J. Si, J. Qiu, K. Fujita, and K. Hirao,
    Nano Lett. 5, 1591–1595 (2005).
  5. 「有機－無機ハイブリット多孔体による光散乱制御」，
    平尾崇行，村井俊介，藤田晃司，中西和樹，平尾一之，
    粉体および粉末冶金 52, 781–785 (2005).
  6. “High Magnetization and High-Temperature Superparamagnetic Transition with Intercluster Interaction in Disordered Zinc Ferrite Thin Film”,
    S. Nakashima, K. Fujita, K. Tanaka, and K. Hirao,
    J. Phys.: Condens. Matter 17, 137–149 (2005).
  7. “Hydrothermal Synthesis and Magnetic Properties of Zinc Ferrite Nanocrystals”,
    K. Tanaka, M. Katsuta, S. Nakashima, and K. Fujita,
    J. Jpn. Soc. Powder Powder Metallurgy 52, 221–227 (2005).

2004

  1. “Formation of Interconnected Macropores in Sm2+-Doped Silicate Glasses through Phase Separation: Fabrication of Photosensitive and Dielectrically Disordered Materials”,
    K. Fujita, S. Murai, Y. Ohashi, K. Nakanishi, and K. Hirao,
    Chem. Lett. 33, 1120–1121 (2004).
  2. “Tailoring Photonic Strength in Monolithic Macroporous Silica for Random Media”,
    S. Murai, K. Fujita, K. Nakanishi, and K. Hirao,
    Jpn. J. Appl. Phys. 43, Part 1, 5359–5364 (2004).
  3. “Fabrication of Dye-Infiltrated Macroporous Silica for Laser Amplification”,
    S. Murai, K. Fujita, K. Nakanishi, and K. Hirao,
    J. Non-Cryst. Solids 345&346, 438–442 (2004).
  4. “Spatial Manipulation of the Valence State of Sm2+ Due To Interference of Multiply Scattered Light in Strongly Scattering Media”,
    K. Fujita, Y. Ohashi, and K. Hirao,
    J. Non-Cryst. Solids 345&346, 407–411 (2004).
  5. “Phase-Selective Cathodoluminescence Spectroscopy of Er:YAG Glass-Ceramics”,
    M. Nishi, S. Tanabe, K. Fujita, K. Hirao, and G. Pezzotti,
    Solid State Commun. 132, 19–23 (2004).
  6. “Morphology Control of Phase-Separation-Induced Alumina-Silica Macroporous Gels for Rare-Earth-Doped Scattering Media”,
    S. Murai, K. Fujita, K. Nakanishi, and K. Hirao,
    J. Phys. Chem. B 108, 16670–16676 (2004).
  7. “Strong Light Scattering in Macroporous TiO2 Monoliths Induced by Phase Separation”,
    K. Fujita, J. Konishi, K. Nakanishi, and K. Hirao,
    Appl. Phys. Lett. 85, 5595–5597 (2004).

2003

  1. “Room-Temperature Grating-Based Morphological Hole Burning in Sm2+-Doped Glass Powders”,
    K. Fujita, Y. Ohashi, and K. Hirao,
    Opt. Lett. 28, 567–569 (2003).
  2. “First Observation of Faraday Effect of EuS Nanocrystals in Polymer Thin Films”,
    S. Thongchant, Y. Hasegawa, K. Tanaka, K. Fujita, and K. Hirao,
    Jpn. J. Appl. Phys. 42, Part 2, L876–L878 (2003).
  3. “High Magnetization and the Faraday Effect for Ferrimagnetic Zinc Ferrite Thin Film”,
    K. Tanaka, S. Nakashima, K. Fujita, and K. Hirao,
    J. Phys.: Condens. Matter 15, L469–L474 (2003).
  4. “Novel Er3+-Doped Glass-Ceramics with Extra-Broad Emission for S+– and U-Band Amplifier”,
    M. Nishi, S. Tanabe, K. Fujita, and K. Hirao,
    Trend in Optics and Photonics: Optical Amplifiers and Their Applications 92, 45–49 (2003).

2002

  1. “Triboluminescence of (Sr,Ba)Al2O4 Polycrystals Doped with Eu3+ and Eu2+”,
    I. Sakaihara, K. Tanaka, T. Wakasugi, R. Ohta, K. Fujita, K. Hirao, and T. Ishihara,
    Jpn. J. Appl. Phys. 41, Part 1, 1419–1423 (2002).
  2. “Photochemical Reaction of Samarium Ions within Sodium Borate Glasses Irradiated with Near-Infrared Femtosecond Pulsed Laser”,
    K. Fujita, C. Yasumoto, and K. Hirao,
    J. Lumin. 98, 317–323 (2002).
  3. “Temperature Dependence of Homogeneous Line Width of Eu3+ in Sodium Aluminosilicate Glasses”,
    K. Fujita, and K. Hirao,
    J. Lumin. 98, 295–300 (2002).
  4. “Ultrashort Laser Pulses Induced Persistent Spectral Hole Burning of Eu3+ in Sodium Borate Glasses”,
    K. Fujita, M. Nishi, and K. Hirao,
    Opt. Lett. 26, 1681–1683 (2002).
  5. “Preparation and Faraday Effect of EuS Microcrystal-Embedded Oxide Thin Films”,
    K. Tanaka, N. Tatehata, K. Fujita, and K. Hirao,
    J. Appl. Phys. 89, 2213–2219 (2002).

2001

  1. “Photoinduced Valence Changes of Samarium Ions Inside a Silica-Based Glass with Near-Infrared Femtosecond-Laser Pulses: Materials for Three-Dimensional Optical Memory”,
    K. Fujita and K. Hirao,
    Jpn. J. Appl. Phys. 40, Part 1, 1651–1652 (2001).
  2. “Photochemical Hole Burning of Sm2+ in Sodium Borate Glasses Induced by Near-Infrared Femtosecond-Laser Irradiation”,
    K. Fujita, C. Yasumoto, and K. Hirao,
    J. Ceram. Soc. Jpn. 109, 484–488 (2001).
  3. “Room-Temperature Photochemical Hole Burning of Eu3+ in Sodium Borate Glasses”,
    K. Fujita, M. Nishi, K. Tanaka, and K. Hirao,
    J. Phys.: Condens. Matter 13, 6411–6419 (2001).
  4. “Preparation and Large Faraday Effect of EuS Microcrystal-Embedded Si3N4 Thin Film”,
    K. Tanaka, N. Tatehata, K. Fujita, J. Sasai, K. Hirao, T. Wakasugi, and R. Ohta,
    Materials Science for the 21st Century, Volume B, 134–137 (2001).

2000

  1. “Effect of Sodium Ion on Persistent Spectral Hole Burning in Pr3+-Doped Silicate Glasses”,
    K. Fujita, K. Tanaka, H. Sasaki, and K. Hirao,
    J. Lumin. 86, 297–304 (2000).
  2. “Local Structure and Persistent Spectral Hole Burning of Sm2+ in Silica-Based Fibers”,
    K. Fujita, K. Nouti, and K. Hirao,
    J. Lumin. 86, 305–310 (2000).
  3. “Room-Temperature Persistent Spectral Hole Burning of Eu3+ -Doped Sodium Borate Glasses”,
    K. Fujita, K. Tanaka, K. Yamashita, and K. Hirao,
    J. Lumin. 87-89, 682–684 (2000).
  4. 「希土類ドープセルシアン結晶のトリボ発光」，
    谷口知弘，藤田晃司，石原嗣生，田中勝久，平尾一之，
    材料 49, 622–624 (2000).
  5. “Triboluminescence of Alkaline Earth Aluminate Polycrystals Doped with Dy3+”,
    K. Tanaka, K. Fujita, T. Taniguchi, K. Hirao, and T. Ishihara,
    J. Appl. Phys. 88, 4069–4074 (2000).
  6. “Second-Order Nonlinearlity and Optical Image Storage in Phenyl-Silica Hybrid Films Doped with Azo-Dye Chromophore Using Optical Poling Technique”,
    N. Matsuoka, K. Kitaoka, J. Si, K. Fujita, and K. Hirao,
    Opt. Commun. 185, 467–472 (2000).

1998

  1. “Mössbauer Spectroscopy of Borate Glasses Containing Divalent Europium Ions”,
    K. Fujita, K. Tanaka, K. Hirao, and N. Soga,
    J. Am. Ceram. Soc. 81, 1845–1851 (1998).
  2. “Persistent Spectral Hole Burning of Eu3+ Ions in Silicate Glasses”,
    K. Fujita, K. Hirao, K. Tanaka, N. Soga, and H. Sasaki,
    Jpn. J. App. Phys. 37, Part 1, 2267–2270 (1998).
  3. “Large Faraday Effect and Local Structure of Alkali Silicate Glasses Containing Divalent Europium Ions”,
    K. Tanaka, K. Fujita, N. Matsuoka, K. Hirao, and N. Soga,
    J. Mater. Res. 13, 1989–1995 (1998).
  4. “High-Temperature Persistent Spectral Hole Burning of Eu3+ Ions in Silicate Glasses: New Room-Temperature Hole-Burning Materials”,
    K. Fujita, K. Tanaka, K. Hirao, and N. Soga,
    J. Opt. Soc. Am. B 15, 2700–2705 (1998).
  5. “Room-Temperature Persistent Spectral Hole Burning of Eu3+ in Sodium Aluminosilicate Glasses”,
    K. Fujita, K. Tanaka, K. Hirao, and N. Soga,
    Opt. Lett. 23, 543–545 (1998).
  6. “The Faraday Effect and Magneto-Optical Figure of Merit in the Visible Region for Lithium Borate Glasses Containing Pr3+”,
    K. Tanaka, N. Tatehata, K. Fujita, and N. Soga,
    J. Phys. D: Appl. Phys. 31, 2622–2627 (1998).
  7. “Full Color Triboluminescence of Rare-Earth-Doped Hexacelsian (BaAl2Si2O8)”,
    T. Ishihara, K. Tanaka, K. Fujita, K. Hirao, and N. Soga,
    Solid State Commun. 107, 763–767 (1998).

1997

  1. “Fluorescence Line Narrowing Spectroscopy of Sm2+ and Eu3+ in Sodium Borate Glasses”,
    K. Fujita, K. Tanaka, K. Hirao, and N. Soga,
    J. Appl. Phys. 81, 924–930 (1997).
  2. “Faraday Effect of Sodium Borate Glasses Containing Divalent Europium Ions”,
    K. Tanaka, K. Fujita, N. Soga, J. Qiu, and K. Hirao,
    J. Appl. Phys. 82, 840–844 (1997).
  3. “Persistent Spectral Hole Burning of Eu3+ Ions in Sodium Aluminosilicate Glasses”,
    K. Fujita, K. Hirao, K. Tanaka, N. Soga, and H. Sasaki,
    J. Appl. Phys. 82, 5114–5120 (1997).

1996

  1. “Photochemical Hole Burning and Local Structural Changes in Sm2+ -Doped Borate Glasses”,
    Doo-Hee Cho, K. Hirao, K. Fujita, and N. Soga,
    J. Am. Ceram. Soc. 79, 327–332 (1996).