Bi12O17Cl2 with a Sextuple Bi-O Layer Composed of Rock-Salt and Fluorite Units and its Structural Conversion through Fluorination to Enhance Photocatalytic Activity
Daichi Kato; Osamu Tomita; Ryky Nelson; Maria A. Kirsanova; Richard Dronskowski; Hajime Suzuki; Chengchao Zhong; Cedric Tassel; Kohdai Ishida; Yosuke Matsuzaki; Craig M. Brown; Koji Fujita; Kotaro Fujii; Masatomo Yashima; Yoji Kobayashi; Akinori Saeki; Itaru Oikawa; Hitoshi Takamura; Ryu Abe; Hiroshi Kageyama; Tatiana E. Gorelik; Artem M. Abakumov
ADVANCED FUNCTIONAL MATERIALS, 2022年08月, 査読有り
Interplay between Oxygen Octahedral Rotation and Deformation in the Acentric ARTiO(4) Series toward Negative Thermal Expansion
Suguru Yoshida; Hirofumi Akamatsu; Alexandra S. Gibbs; Shogo Kawaguchi; Venkatraman Gopalan; Katsuhisa Tanaka; Koji Fujita
CHEMISTRY OF MATERIALS, 2022年07月, 査読有り
PbBi3O4X3 (X = Cl, Br) with Single/Double Halogen Layers as a Photocatalyst for Visible-Light-Driven Water Splitting: Impact of a Halogen Layer on the Band Structure and Stability
Journal of the American Chemical Society, 2021年10月27日
Structural origin of thermal shrinkage in soda-lime silicate glass below the glass transition temperature: A theoretical investigation by microsecond timescale molecular dynamics simulations
Visible and near-infrared photoluminescence enhanced by Ag nanoparticles in Sm3+-doped aluminoborate glass
Yuan Gao; Shunsuke Murai; Koji Fujita; Katsuhisa Tanaka
OPTICAL MATERIALS, 2018年12月, 査読有り
Hybrid Improper Ferroelectricity in (Sr,Ca)(3)Sn2O7 and Beyond: Universal Relationship between Ferroelectric Transition Temperature and Tolerance Factor in n=2 Ruddlesden-Popper Phases
Suguru Yoshida; Hirofumi Akamatsu; Ryosuke Tsuji; Olivier Hernandez; Haricharan Padmanabhan; Arnab Sen Gupta; Alexandra S. Gibbs; Ko Mibu; Shunsuke Murai; James M. Rondinelli; Venkatraman Gopalan; Katsuhisa Tanaka; Koji Fujita
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2018年11月, 査読有り
Demonstration of temperature-plateau superheated liquid by photothermal conversion of plasmonic titanium nitride nanostructures
Satoshi Ishii; Ryosuke Kamakura; Hiroyuki Sakamoto; Thang D. Dao; Satish L. Shinde; Tadaaki Nagao; Koji Fujita; Kyoko Namura; Motofumi Suzuki; Shunsuke Murai; Katsuhisa Tanaka
NANOSCALE, 2018年10月, 査読有り
Enhanced Photoluminescence from Organic Dyes Coupled to Periodic Array of Zirconium Nitride Nanoparticles
Ryosuke Kamakura; Shunsuke Murai; Koji Fujita; Katsuhisa Tanaka
ACS PHOTONICS, 2018年08月, 査読有り
Ferroelectric Sr3Zr2O7: Competition between Hybrid Improper Ferroelectric and Antiferroelectric Mechanisms
Suguru Yoshida; Koji Fujita; Hirofumi Akamatsu; Olivier Hernandez; Arnab Sen Gupta; Forrest G. Brown; Haricharan Padmanabhan; Alexandra S. Gibbs; Toshihiro Kuge; Ryosuke Tsuji; Shunsuke Murai; James M. Rondinelli; Venkatraman Gopalan; Katsuhisa Tanaka
ADVANCED FUNCTIONAL MATERIALS, 2018年07月
Surface-Enhanced Infrared Absorption for the Periodic Array of Indium Tin Oxide and Gold Microdiscs: Effect of in-Plane Light Diffraction
Ryosuke Kamakura; Tomoki Takeishi; Shunsuke Murai; Koji Fujita; Katsuhisa Tanaka
ACS PHOTONICS, 2018年07月
Collective plasmonic modes excited in Al nanocylinder arrays in the UV spectral region
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; K. Tanaka
APL PHOTONICS, 2017年02月, 査読有り
Preparation of Nb-doped anatase type TiO2 epitaxial thin films and excitation of surface plasmon polaritons
Shunsuke Murai; Ryosuke Kamakura; Koji Fujita; Yohei Daido; Katsuhisa Tanaka
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy, 2017年01月01日, 査読有り
Faraday effect of polycrystalline bismuth iron garnet thin film prepared by mist chemical vapor deposition method
Situ Yao; Ryosuke Kamakura; Shunsuke Murai; Koji Fujita; Katsuhisa Tanaka
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2017年01月, 査読有り
Competing Structural Instabilities in the Ruddlesden Popper Derivatives HRTiO4 (R = Rare Earths): Oxygen Octahedral Rotations Inducing Noncentrosymmetricity and Layer Sliding Retaining Centrosymmetricity
Arnab Sen Gupta; Hirofumi Akamatsu; Forrest G. Brown; Minh An T. Nguyen; Megan E. Strayer; Saul Lapidus; Suguru Yoshida; Koji Fujita; Katsuhisa Tanaka; Isao Tanaka; Thomas E. Mallouk; Venkatrarnan Gopalan
CHEMISTRY OF MATERIALS, 2017年01月, 査読有り
Instability of spin glass phase in divalent iron phosphate glass under a magnetic field
Yuko Nakatsuka; Shunsuke Murai; Koji Fujita; Katsuhisa Tanaka
JOURNAL OF PHYSICS-CONDENSED MATTER, 2017年01月, 査読有り
Effect of Cylinder Height on Directional Photoluminescence from Highly Luminous Thin Films on Periodic Plasmonic Arrays
Mesoporous silica layer on plasmonic array: light trapping in a layer with a variable index of refraction
Shunsuke Murai; Hiroyuki Sakamoto; Koji Fujita; Katsuhisa Tanaka
OPTICAL MATERIALS EXPRESS, 2016年09月, 査読有り
LiNbO3-Type InFeO3: Room-Temperature Polar Magnet without Second-Order Jahn-Teller Active Ions
Koji Fujita; Takahiro Kawamoto; Ikuya Yamada; Olivier Hernandez; Naoaki Hayashi; Hirofumi Akamatsu; William Lafargue-Dit-Hauret; Xavier Rocquefelte; Masafumi Fukuzumi; Pascal Manuel; Andrew J. Studer; Christopher S. Knee; Katsuhisa Tanaka
レーザー研究 = The review of laser engineering : レーザー学会誌, 2016年01月, 査読有り
Improper Inversion Symmetry Breaking and Piezoelectricity through Oxygen Octahedral Rotations in Layered Perovskite Family, LiRTiO4 (R = Rare Earths)
Arnab Sen Gupta; Hirofumi Akamatsu; Megan E. Strayer; Shiming Lei; Toshihiro Kuge; Koji Fujita; Clarina dela Cruz; Atsushi Togo; Isao Tanaka; Katsuhisa Tanaka; Thomas E. Mallouk; Venkatraman Gopalan
ADVANCED ELECTRONIC MATERIALS, 2016年01月, 査読有り
Excitation of Surface Plasmon Polaritons on Titanium Nitride Thin Films through Energy Transfer from Dye Molecules
Shunsuke Murai; Yohei Daido; Ryosuke Kamakura; Koji Fujita; Katsuhisa Tanaka
2016 IEEE 16TH INTERNATIONAL CONFERENCE ON NANOTECHNOLOGY (IEEE-NANO), 2016年, 査読有り
Optical Characterization and Emission Properties of Periodic Arrays of Titanium Nitride Nanoparticles
Ryosuke Kamakura; Shunsuke Murai; Koji Fujita; Katsuhisa Tanaka
2016 PROGRESS IN ELECTROMAGNETICS RESEARCH SYMPOSIUM (PIERS), 2016年, 査読有り
A labile hydride strategy for the synthesis of heavily nitridized BaTiO3
Takeshi Yajima; Fumitaka Takeiri; Kohei Aidzu; Hirofumi Akamatsu; Koji Fujita; Wataru Yoshimune; Masatoshi Ohkura; Shiming Lei; Venkatraman Gopalan; Katsuhisa Tanaka; Craig M. Brown; Mark A. Green; Takafumi Yamamoto; Yoji Kobayashi; Hiroshi Kageyama
NATURE CHEMISTRY, 2015年12月, 査読有り
Terbium Oxide, Fluoride, and Oxyfluoride Nanoparticles with Magneto-optical Properties
Akira Kawashima; Takayuki Nakanishi; Yuichi Kitagawa; Koji Fujita; Katsuhisa Tanaka; Koji Fushimi; Mohammad A. Malik; Paul O'Brien; Yasuchika Hasegawa
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 2015年10月, 査読有り
Electrical Properties of Epitaxial Thin Films of Oxyhydrides ATiO(3-x)H(x) (A = Ba and Sr)
Magneto-optical properties of Eu2+-containing aluminoborosilicate glasses with ferromagnetic interactions
Hirofumi Akamatsu; Koji Fujita; Yuko Nakatsuka; Shunsuke Murai; Katsuhisa Tanaka
Optical Materials, 2013年09月, 査読有り
Wavelength-Tunable Spasing in the Visible
Xiangeng Meng; Alexander V. Kildishev; Koji Fujita; Katsuhisa Tanaka; Vladimir M. Shalaev
NANO LETTERS, 2013年09月, 査読有り
Metal-Dielectric Core-Shell Nanoparticles: Advanced Plasmonic Architectures Towards Multiple Control of Random Lasers
Xiangeng Meng; Koji Fujita; Yusuke Moriguchi; Yanhua Zong; Katsuhisa Tanaka
ADVANCED OPTICAL MATERIALS, 2013年08月, 査読有り
Anisotropic growth of zinc oxide pillars on silver nanoparticles by oblique angle deposition
Shunsuke Murai; Tomohiko Matoba; Christopher T. Nelson; Takuya Komine; Koji Fujita; Xiaoqing Pan; Katsuhisa Tanaka
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, 2013年08月, 査読有り
Plasmonics: Metal-Dielectric Core-Shell Nanoparticles: Advanced Plasmonic Architectures Towards Multiple Control of Random Lasers (Advanced Optical Materials 8/2013)
Xiangeng Meng; Koji Fujita; Yusuke Moriguchi; Yanhua Zong; Katsuhisa Tanaka
Advanced Optical Materials, 2013年08月, 査読有り
Ferromagnetic amorphous oxides in the EuO-TiO2 system studied by the Faraday effect in the visible region and the x-ray magnetic circular dichroism at the Eu M-4,M-5 and L-2,L-3 edges
Tuning the wavelength of amplified spontaneous emission coupled to localized surface plasmon
S. Murai; Y. Tokuda; K. Fujita; K. Tanaka
APPLIED PHYSICS LETTERS, 2012年07月, 査読有り
Crystal and Electronic Structure and Magnetic Properties of Divalent Europium Perovskite Oxides EuMO3 (M = Ti, Zr, and Hf): Experimental and First-Principles Approaches
Hirofumi Akamatsu; Koji Fujita; Hiroyuki Hayashi; Takahiro Kawamoto; Yu Kumagai; Yanhua Zong; Koji Iwata; Fumiyasu Oba; Isao Tanaka; Katsuhisa Tanaka
INORGANIC CHEMISTRY, 2012年04月, 査読有り
Development of Non-Siliceous Porous Materials and Emerging Applications
Koji Fujita
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 2012年04月, 査読有り
Local Structure of Amorphous EuO-TiO2 Thin Films Probed by X-Ray Absorption Fine Structure
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 2008年04月, 査読有り
Remarkable magneto-optical properties of europium selenide nanoparticles with wide energy gaps
Yasuchika Hasegawa; Taka-Aki Adachi; Atsushi Tanaka; Mohammad Afzaal; Paul O'Brien; Takahiro Doi; Yukio Hinatsu; Koji Fujita; Katsuhisa Tanaka; Tsuyoshi Kawai
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2008年04月, 査読有り
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
Junko Konishi; Koji Fujita; Satoshi Oiwa; Kazuki Nakanishi; Kazuyuki Hirao
CHEMISTRY OF MATERIALS, 2008年03月, 査読有り
Precipitation of Ag nanoparticles on tellurite glass surface via thermal poling
Sonoko Kawase; Sakiko Ukon; Shunsuke Murai; Koji Fujita; Katsuhisa Tanaka
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy, 2008年03月, 査読有り
Magnetic properties of disordered oxides with iron and manganese ions
Katsuhisa Tanaka; Hirofumi Akamatsu; Seisuke Nakashima; Koji Fujita
JOURNAL OF NON-CRYSTALLINE SOLIDS, 2008年02月, 査読有り
Cr3+-doped macroporous Al2O3 monoliths prepared by the metal-salt-derived sol-gel method
Koji Fujita; Yasuaki Tokudome; Kazuki Nakanishi; Kiyotaka Miura; Kazuyuki Hirao
JOURNAL OF NON-CRYSTALLINE SOLIDS, 2008年01月, 査読有り
Cr3+-doped macroporous Al2O3 monoliths prepared by the metal-salt-derived sol-gel method
Koji Fujita; Yasuaki Tokudome; Kazuki Nakanishi; Kiyotaka Miura; Kazuyuki Hirao
JOURNAL OF NON-CRYSTALLINE SOLIDS, 2008年01月, 査読有り
Magnetic properties of amorphous Fe2O3-R2O3 (R = La, Gd and Tb) thin films fabricated by sputtering method
Hirofumi Akamatsu; Shunsuke Murai; Koji Fujita; Katsuhisa Tanaka
GLASS - THE CHALLENGE FOR THE 21ST CENTURY, 2008年, 査読有り
Second-harmonic generation in thermally poled Na2O-Al2O3-TeO2 glasses
Sakiko Ukon; Yasuhito Tsujiie; Shunsuke Murai; Koji Fujita; Katsuhisa Tanaka
GLASS - THE CHALLENGE FOR THE 21ST CENTURY, 2008年, 査読有り
Sol-gel synthesis of macroporous YAG from ionic precursors via phase separation route
Room-temperature ferrimagnetic semiconductor 0.6FeTiO(3)center dot 0.4Fe(2)O(3) solid solution thin films
Hajime Hojo; Koji Fujita; Katsuhisa Tanaka; Kazuyuki Hirao
APPLIED PHYSICS LETTERS, 2006年10月, 査読有り
Room-temperature ferrimagnetic semiconductor 0.6FeTiO(3)center dot 0.4Fe(2)O(3) solid solution thin films
Hajime Hojo; Koji Fujita; Katsuhisa Tanaka; Kazuyuki Hirao
APPLIED PHYSICS LETTERS, 2006年10月
Morphological control and strong light scattering in macroporous TiO2 monoliths prepared via a colloid-derived sol-gel route
Koji Fujita; Junko Konishi; Kazuki Nakanishi; Kazuyuki Hirao
SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS, 2006年09月, 査読有り
Intense blue emission from tantalum-doped silicate glass
Xiangeng Meng; Shunsuke Murai; Koji Fujita; Katsuhisa Tanaka
APPLIED PHYSICS LETTERS, 2006年08月, 査読有り
Epitaxial growth of room-temperature ferrimagnetic semiconductor thin films based on the ilmenite-hematite solid solution
Hajime Hojo; Koji Fujita; Katsuhisa Tanaka; Kazuyuki Hirao
APPLIED PHYSICS LETTERS, 2006年08月, 査読有り
Mechanical milling-induced room-temperature ferromagnetic phase in MnO2-ZnO system
Katsuhisa Tanaka; Kazuya Fukui; Shunsuke Murai; Koji Fujita
APPLIED PHYSICS LETTERS, 2006年07月
Spin dynamics in Fe2O3-TeO2 glass: Experimental evidence for an amorphous oxide spin glass
Hirofumi Akamatsu; Katsuhisa Tanaka; Koji Fujita; Shunsuke Murai
PHYSICAL REVIEW B, 2006年07月, 査読有り
Fabrication of Sm2+-doped macroporous aluminosilicate glasses with high alumina content
Takayuki Hirao; Koji Fujita; Shunsuke Murai; Kazuki Nakanishi; Kazuyuki Hirao
JOURNAL OF NON-CRYSTALLINE SOLIDS, 2006年07月, 査読有り
Spin dynamics in Fe2O3-TeO2 glass: Experimental evidence for an amorphous oxide spin glass
Hirofumi Akamatsu; Katsuhisa Tanaka; Koji Fujita; Shunsuke Murai
PHYSICAL REVIEW B, 2006年07月
Mechanical milling-induced room-temperature ferromagnetic phase in MnO2-ZnO system
Katsuhisa Tanaka; Kazuya Fukui; Shunsuke Murai; Koji Fujita
APPLIED PHYSICS LETTERS, 2006年07月, 査読有り
Formation of photonic structures in Sm2+-doped aluminosilicate glasses through phase separation
Koji Fujita; Shunsuke Murai; Kazuki Nakanishi; Kazuyuki Hirao
JOURNAL OF NON-CRYSTALLINE SOLIDS, 2006年07月, 査読有り
Large Faraday effect in a short wavelength range for disordered zinc ferrite thin films
K Tanaka; S Nakashima; K Fujita; K Hirao
JOURNAL OF APPLIED PHYSICS, 2006年05月, 査読有り
Phase-separation-induced Titania monoliths with well-derined macropores and mesostructured framework from colloid-derived sol-gel systems
J Konishi; K Fujita; K Nakanishi; K Hirao
CHEMISTRY OF MATERIALS, 2006年02月
Variation of emission spectra of Er3+-doped YAG-based solid solution
M Nishi; S Tanabe; K Fujita; K Hirao
JOURNAL OF ALLOYS AND COMPOUNDS, 2006年02月, 査読有り
Phase-separation-induced Titania monoliths with well-derined macropores and mesostructured framework from colloid-derived sol-gel systems
J Konishi; K Fujita; K Nakanishi; K Hirao
CHEMISTRY OF MATERIALS, 2006年02月, 査読有り
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; K Hirao
JOURNAL OF ALLOYS AND COMPOUNDS, 2006年02月, 査読有り
Control of light scattering in organic-inorganic hybrid macroporous monoliths
Takayuki Hirao; Shunsuke Murai; Koji Fujita; Kazuki Nakanishi; Kazuyuki Hirao
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy, 2005年10月, 査読有り
Periodic nanovoid structures via femtosecond laser irradiation
S Kanehira; JH Si; Qiu, JR; K Fujita; K Hirao
NANO LETTERS, 2005年08月, 査読有り
Space-selective precipitation of non-linear optical crystals inside silicate glasses using near-infrared femtosecond laser
Y Yonesaki; K Miura; R Araki; K Fujita; K Hirao
JOURNAL OF NON-CRYSTALLINE SOLIDS, 2005年04月, 査読有り
Photoreduction of Ag+ in aluminoborate glasses induced by irradiation of a femtosecond laser
B Hua; Qiu, JR; Y Shimotsuma; K Fujita; K Hirao
JOURNAL OF MATERIALS RESEARCH, 2005年03月, 査読有り
Optical-telecommunication-band fluorescence properties of Er3+-doped YAG nanocrystals synthesized by glycothermal method
M Nishi; S Tanabe; M Inoue; M Takahashi; K Fujita; K Hirao
OPTICAL MATERIALS, 2005年01月, 査読有り
High magnetization and the high-temperature superparamagnetic transition with intercluster interaction in disordered zinc ferrite thin film
S Nakashima; K Fujita; K Tanaka; K Hirao
JOURNAL OF PHYSICS-CONDENSED MATTER, 2005年01月, 査読有り
Fabrication of macroporous TiO2 monoliths for photonic applications
Junko Konishi; Koji Fujita; Kazuki Nakanishi; Kazuyuki Hirao
Progress in Biomedical Optics and Imaging - Proceedings of SPIE, 2005年, 査読有り
Hydrothermal synthesis and magnetic properties of zinc ferrite nanocrystals
Katsuhisa Tanaka; Makoto Katsuta; Seisuke Nakashima; Koji Fujita
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy, 2005年, 査読有り
Formation of photonic structures in Sm2+-doped aluminosilicate glasses through phase separation
Koji Fujita; Shunsuke Murai; Kazuki Nakanishi; Kazuyuki Hirao
Progress in Biomedical Optics and Imaging - Proceedings of SPIE, 2005年, 査読有り
Strong light scattering in macroporous TiO2 monoliths induced by phase separation
K Fujita; J Konishi; K Nakanishi; K Hirao
APPLIED PHYSICS LETTERS, 2004年12月, 査読有り
Phase-selective cathodoluminescence spectroscopy of Er : YAG glass-ceramics
M Nishi; S Tanabe; K Fujita; K Hirao; G Pezzotti
SOLID STATE COMMUNICATIONS, 2004年10月, 査読有り
Morphology control of phase-separation-induced alumina-silica macroporous gels for rare-earth-doped scattering media
S Murai; K Fujita; K Nakanishi; K Hirao
JOURNAL OF PHYSICAL CHEMISTRY B, 2004年10月, 査読有り
Spatial manipulation of the valence state of Sm2+ due to interference of multiply scattered light in strongly scattering media
K Fujita; Y Ohashi; K Hirao
JOURNAL OF NON-CRYSTALLINE SOLIDS, 2004年10月, 査読有り
Fabrication of dye-infiltrated macroporous silica for laser amplification
S Murai; K Fujita; K Nakanishi; K Hirao
JOURNAL OF NON-CRYSTALLINE SOLIDS, 2004年10月, 査読有り
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; K Hirao
CHEMISTRY LETTERS, 2004年09月, 査読有り
Tailoring photonic strength in monolithic macroporous silica for random media
S Murai; K Fujita; K Nakanishi; K Hirao
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 2004年08月, 査読有り
“Florescence Properties of Er3⁺-Doped YAG Nanocrystals Synthesized by Glycothermal Method"
M. Nishi; S. Tahabe; M. Inoue; M. Takahashi; K. Fujita; K. Hirao
J. Ceram Soc. Jpn, Suppl. vol.11.2, S898-S900., 2004年, 査読有り
High magnetization and the Faraday effect for ferrimagnetic zinc ferrite thin film
K Tanaka; S Nakashima; K Fujita; K Hirao
JOURNAL OF PHYSICS-CONDENSED MATTER, 2003年08月, 査読有り
First observation of Faraday effect of EuS nanocrystals in polymer thin films
S Thongchant; Y Hasegawa; K Tanaka; K Fujita; K Hira; Y Wada; S Yanagida
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 2003年07月, 査読有り
Room-temperature grating-based morphological hole burning in Sm2+-doped glass powders
Temperature dependence of homogeneous line width of Eu3+ in sodium aluminosilicate glasses
K Fujita; K Hirao
JOURNAL OF LUMINESCENCE, 2002年07月, 査読有り
Photochemical reactions of samarium ions in sodium borate glasses irradiated with near-infrared femtosecond laser pulses
K Fujita; C Yasumoto; K Hirao
JOURNAL OF LUMINESCENCE, 2002年07月, 査読有り
Triboluminescence of (Sr,Ba)Al2O4 polycrystals doped with Eu3+ and Eu2+
Sakaihara, I; K Tanaka; T Wakasugi; R Ota; K Fujita; K Hirao; T Ishihara
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 2002年03月, 査読有り
Ultrashort-laser-pulse-induced persistent spectral hole burning of Eu3+ in sodium borate glasses
K Fujita; M Nishi; K Hirao
OPTICS LETTERS, 2001年11月, 査読有り
Room-temperature photochemical hole burning of Eu3+ in sodium borate glasses
K Fujita; M Nishi; K Tanaka; K Hirao
JOURNAL OF PHYSICS-CONDENSED MATTER, 2001年07月, 査読有り
Photochemical hole burning of Sm2+ in sodium borate glasses induced by near-infrared femtosecond-laser irradiation
K. Fujita; C. Yasumoto; K. Hirao
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan, 2001年06月, 査読有り
Photochemical hole burning of Sm-2 divided by in sodium borate glasses induced by near-infrared femtosecond-laser irradiation
K Fujita; C Yasumoto; K Hirao
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, 2001年06月, 査読有り
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; K Hirao
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 2001年03月, 査読有り
Preparation and Faraday effect of EuS microcrystal-embedded oxide thin films
K Tanaka; N Tatehata; K Fujita; K Hirao
JOURNAL OF APPLIED PHYSICS, 2001年02月, 査読有り
Photochemical hole burning of Sm2+ in sodium borate glasses induced by near-infrared femtosecond-laser irradiation
K. Fujita; C. Yasumoto; K. Hirao
Journal of the Ceramic Society of Japan, 2001年, 査読有り
Structuring of glass with the femtosecond pulse laser
K. Hirao; K. Fujita
Glass Science and Technology: Glastechnische Berichte, 2001年, 査読有り
Second-order nonlinearity and optical image storage in phenyl-silica hybrid films doped with azo-dye chromophore using optical poling technique
N Matsuoka; K Kitaoka; JH Si; K Fujita; K Hirao
OPTICS COMMUNICATIONS, 2000年11月, 査読有り
Triboluminescence of alkaline earth aluminate polycrystals doped with Dy3+
K Tanaka; K Fujita; T Taniguchi; K Hirao; T Ishihara
JOURNAL OF APPLIED PHYSICS, 2000年10月, 査読有り
Room-temperature persistent spectral hole burning of Eu3+-doped sodium borate glasses
K Fujita; K Tanaka; K Yamashita; K Hirao
JOURNAL OF LUMINESCENCE, 2000年05月, 査読有り
Local structure and persistent spectral hole burning of Sm2+ in silica-based fibers
K Fujita; K Nouchi; K Hirao
JOURNAL OF LUMINESCENCE, 2000年04月, 査読有り
Effect of sodium ions on persistent spectral hole burning in Pr3+-doped silicate glasses
K Fujita; K Tanaka; H Sasaki; K Hirao
JOURNAL OF LUMINESCENCE, 2000年04月, 査読有り
Triboluminescence of rare-earth-doped celsian polycrystals
T. Taniguchi; K. Fujita; T. Ishihara; K. Tanaka; K. Hirao
Zairyo/Journal of the Society of Materials Science, Japan, 2000年, 査読有り
Triboluminescence of rare-earth-doped celsian polycrystals
Tomohiro Taniguchi; Koji Fujita; Tsuguo Ishihara; Katsuhisa Tanaka; Kazuyuki Hirao
Zairyo/Journal of the Society of Materials Science, Japan, 2000年, 査読有り
High-temperature persistent spectral hole burning of Eu3+ ions in silicate glasses: new room-temperature hole-burning materials
K Fujita; K Tanaka; K Hirao; N Soga
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 1998年11月, 査読有り
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; K Hirao; N Soga
JOURNAL OF PHYSICS D-APPLIED PHYSICS, 1998年10月, 査読有り
Mossbauer spectroscopy of borate glasses containing divalent europium inns
K Fujita; K Tanaka; K Hirao; N Soga
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1998年07月, 査読有り
Persistent spectral hole burning of Eu3+ ions in silicate glasses
K Fujita; K Hirao; K Tanaka; N Soga; H Sasaki
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1998年04月, 査読有り
Room-temperature persistent spectral hole burning of EU3+ in sodium aluminosilicate glasses
K Fujita; K Tanaka; K Hirao; N Soga
OPTICS LETTERS, 1998年04月, 査読有り
Large Faraday effect and local structure of alkali silicate glasses containing divalent europium ions
Katsuhisa Tanaka; Koji Fujita; Nobuaki Matsuoka; Kazuyuki Hirao; Naohiro Soga
Journal of Materials Research, 1998年, 査読有り
Full color triboluminescence of rare-earth-doped hexacelsian (BaAl2Si2O8)
T Ishihara; K Tanaka; K Fujita; K Hirao; N Soga
SOLID STATE COMMUNICATIONS, 1998年, 査読有り
Persistent spectral hole burning of Eu3+ ions in sodium aluminosilicate glasses
K Fujita; K Hirao; K Tanaka; N Soga; H Sasaki
JOURNAL OF APPLIED PHYSICS, 1997年11月, 査読有り
Faraday effect of sodium borate glasses containing divalent europium ions
K Tanaka; K Fujita; N Soga; Qiu, JR; K Hirao
JOURNAL OF APPLIED PHYSICS, 1997年07月, 査読有り
Fluorescence line narrowing spectroscopy of Sm2+ and Eu3+ in sodium borate glasses
K Fujita; K Tanaka; K Hirao; N Soga
JOURNAL OF APPLIED PHYSICS, 1997年01月, 査読有り
Photochemical hole burning and local structural change in Sm2+-doped borate glasses
DH Cho; K Hirao; K Fujita; N Soga
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1996年02月, 査読有り
HEXAAMMINECOBALT(III) HYDROGEN-ION EXCHANGE IN ALPHA-ZIRCONIUM AND THETA-ZIRCONIUM PHOSPHATES WITH VARIOUS PARTICLE-SIZE DISTRIBUTION
Y HASEGAWA; K FUJITA
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 1985年, 査読有り