Room-temperature photochemical hole burning of Eu3+-doped glasses
K Fujita; M Nishi; K Hirao
RARE-EARTH-DOPED MATERIALS AND DEVICES V, 2001年, 査読有り
多孔質酸化鉄薄膜における局在表面プラズモン共鳴と結合したファラデー効果の増強
村井 俊介; 荒谷 誠; 藤田 晃司; 田中 勝久
粉体および粉末冶金, 2015年01月01日, 査読有り
Anionic Sublattices in Halide Solid Electrolytes: A Case Study with the High-Pressure Phase of Li3ScCl6
FH Ding; A Doi; T Ogawa; H Ubukata; T Zhu; D Kato; C Tassel; I Oikawa; N Inui; S Kuze; T Yamabayashi; K Fujii; M Yashima; X Ou; ZJ Wang; XB Min; K Fujita; H Takamura; A Kuwabara; TR Zhang; KJ Griffith; Z Lin; LY Chai; H Kageyama
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2024年04月
Thermal multiferroics in all-inorganic quasi-two-dimensional halide perovskites
T Zhu; XZ Lu; T Aoyama; K Fujita; Y Nambu; T Saito; H Takatsu; T Kawasaki; T Terauchi; S Kurosawa; A Yamaji; HB Li; C Tassel; K Ohgushi; JM Rondinelli; H Kageyama
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
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)
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
Local Structure of Amorphous EuO-TiO2 Thin Films Probed by X-Ray Absorption Fine Structure
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
Formation of interconnected macropores in Sm2+-doped silicate glasses through phase separation: Fabrication of photosensitive and dielectrically disordered materials
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