- “Optical Magnetoelectric Resonance in a Polar Magnet (Fe,Zn)2Mo3O8 with
Axion-Type Coupling”, T. Kurumaji, Y. Takahashi, J. Fujioka, R. Masuda,
H. Shishikura, S. Ishiwata, and Y. Tokura, Physical Review Letters 119,
077206-1-5 (2017).
- “Magnetic-field induced multiple topological phases in pyrochlore iridates
with Mott criticality”, K. Ueda, T. Oh, B. Yang, R. Kaneko, J. Fujioka,
N. Nagaosa, and Y. Tokura, Nature Communications 8, 15515-1-7 (2017).
- “Correlated Dirac semimetallic state with unusual positive magnetoresistance
in strain-free perovskite SrIrO3”, J. Fujioka, T. Okawa, A. Yamamoto, and
Y. Tokura, Physical Review B 95, 121102(R)-1-5 (2017).
- “Electromagnon resonance in a collinear spin state of the polar antiferromagnet
Fe2Mo3O8”, T. Kurumaji, Y. Takahashi, J. Fujioka, R. Masuda, H. Shishikura,
S. Ishiwata, and Y. Tokura, Physical Review B 95, 020405(R)-1-5 (2017).
- “Critical enhancement of thermopower in a chemically tuned polar semimetal
MoTe2”, H. Sakai, K. Ikeura, M. S. Bahramy, N. Ogawa, D. Hashizume, J.
Fujioka, Y. Tokura, S. Ishiwata, Science Advances 2, e1601378-1-7 (2016).
- “Spin and orbital disordering by hole doping in Pr1−xCaxVO3”, M. Reehuis,
C. Ulrich, P. M. Abdala, P. Pattison, G. Khaliullin, J. Fujioka, S. Miyasaka,
Y. Tokura, and B. Keimer, Physical Review B 94, 104436-1-11 (2016).
- “Variation of optical conductivity spectra in the course of bandwidth-controlled
metal-insulator transitions in pyrochlore iridates”, K. Ueda, J. Fujioka,
Y. Tokura, Physical Review B 93, 245120-1-10 (2016).
- “Surface Ordering of Orbitals at a Higher Temperature in LaCoO3 Thin Film”,
Y. Yamasaki, J. Fujioka, H. Nakao, J. Okamoto, T. Sudayama, Y. Murakami,
M. Nakamura, M. Kawasaki, T. Arima, and Y. Tokura, Journal of the Physical
Society of Japan 85, 023704-1-4 (2016).
- “Strain-sensitive spin-state ordering in thin films of perovskite LaCoO3”,
J. Fujioka, Y. Yamasaki, A. Doi, H. Nakao, R. Kumai, Y. Murakami, M. Nakamura,
M. Kawasaki, T. Arima, and Y. Tokura, Physical Review B 92, 195115-1-6
(2015).
- “Mobile metallic domain walls in an all-in-all-out magnetic insulator”,
E. Y. Ma, Y-T Cui, K. Ueda, S. Tang, K. Chen, N. Tamura, P. M. Wu, J. Fujioka,
Y. Tokura, Z-X. Shen, Science 350, 538-541 (2015).
- “Pressure and magnetic field effects on metal-insulator transitions of
bulk and domain wall states in pyrochlore iridates”, K. Ueda, J. Fujioka,
C. Terakura, Y. Tokura, Physical Review B 92, 121110-1-5 (2015).
- "Ferroelectric-like metallic state in electron doped BaTiO3",
J. Fujioka, A. Doi, D. Okuyama, D. Morikawa, T. Arima, K. N. Okada, Y.
Kaneko,T. Fukuda, H. Uchiyama, D. Ishikawa, A. Q. R. Baron, K. Kato, M.
Takata and Y. Tokura, Scientific Reports 5, 13207-1-9 (2015).
- “Magnetic Field-Induced Insulator-Semimetal Transition in a Pyrochlore
Nd2Ir2O7”, K. Ueda, J. Fujioka, B.-J. Yang, J. Shiogai, A. Tsukazaki, S.
Nakamura, S. Awaji, N. Nagaosa, and Y. Tokura, Physical Review Letters
115, 056402-1-5 (2015).
- “Perovskite LaRhO3 as a p-type active layer in oxide photovoltaics”, M.
Nakamura, Y. Krockenberger, J. Fujioka, M. Kawasaki, and Y. Tokura, Applied
Physics Letters 106, 072103-1-5 (2015).
- “Multi-spin-state dynamics during insulator-metal crossover in LaCoO3”,
A. Doi, J. Fujioka, T. Fukuda, S. Tsutsui, D. Okuyama, Y. Taguchi, T. Arima,
A. Q. R. Baron, and Y. Tokura, Physical Review B 90, 081109(R)-1-4 (2014).
- “Anomalous metallic ground state in BaV13O18 “, T. Kanzaki, J. Fujioka,
Y. Tokura, H. Kuwahara and T. Katsufuji, Physical Review B 89, 140401(R)-1-5
(2014).
- “Anomalous domain-wall conductance in pyrochlore-type Nd2Ir2O7 on the vergeof
the metal-insulator transition”, K. Ueda, J. Fujioka, Y. Takahashi, T.
Suzuki, S. Ishiwata, Y. Taguchi, M. Kawasaki, and Y. Tokura, Physical Review
B 89, 075127-1-5 (2014).
- “Spin-Orbital Superstructure in Strained Ferrimagnetic Perovskite Cobalt
Oxide”, J. Fujioka, Y. Yamasaki, H. Nakao, R. Kumai, Y. Murakami, M. Nakamura,
M. Kawasaki, and Y. Tokura, Physical Review Letters 111, 027206-1-5 (2013).
- “Electronic Phase Transition and an Anomalous Ordered Phase in Ba2Ti13O22
with 3d1 Ions on a Triangle-Based Lattice”, K. Takayama, T. Koyama, S.
Mori, K. Kato, M. Takata, J. Fujioka, Y. Tokura, J. Miyazaki, and T. Katsufuji,,
Physical Review Letters 110, 196405-1-5 (2013).
- “Variation of Charge Dynamics in the Course of Metal-Insulator Transition
for Pyrochlore-Type Nd2Ir2O7”, K. Ueda, J. Fujioka, Y. Takahashi, T. Suzuki,
S. Ishiwata, Y. Taguchi and Y. Tokura, Physical Review Letters 109, 136402-1-5
(2012).
- “Soft phonon mode coupled with antiferromagnetic order in incipient-ferroelectric
Mott insulators Sr1−xBaxMnO3”, H. Sakai, J. Fujioka, T. Fukuda, M. S. Bahramy,
D. Okuyama, R. Arita, T. Arima, A. Q. R. Baron, Y. Taguchi, and Y. Tokura,
Physical Review B 86, 104407-1-11 (2012).
- “Variation of charge dynamics upon the helimagnetic and metal-insulator
transitions for perovskite AFeO3 (A = Sr and Ca)”, J. Fujioka, S Ishiwata,
Y. Kaneko, Y. Taguchi and Y. Tokura, Physical Review B 85, 155141-1-5 (2012).
- “Ferroelectricity and Pressure-Induced Phenomena Driven by Neutral Ionic
Valence Instability of Acid-Base Supramolecules”, R. Kumai, S. Horiuchi,
J. Fujioka, and Y. Tokura, Journal of The American Chemical Society 134,
1036-1046 (2012).
- “Photocarrier collection from depletion layer of LaMnO3”, J. Fujioka, M.
Nakamura, M. Kawasaki, and Y. Tokura, Journal of Applied Physics 111, 016107-1-3
(2012).
- “Ferroelectricity and Pressure-Induced Phenomena Driven by Neutral Ionic
Valence Instability of Acid-Base Supramolecules”, R. Kumai, S. Horiuchi,
J. Fujioka, and Y. Tokura, Journal of The American Chemical Society 134,
1036-1046 (2012).
- “Photocarrier collection from depletion layer of LaMnO3”, J. Fujioka, M.
Nakamura, M. Kawasaki, and Y. Tokura, Journal of Applied Physics 111, 016107-1-3
(2012).
- “Displacement-Type Ferroelectricity with Off-Center Magnetic Ions in Perovskite
Sr1-xBaxMnO3”, H. Sakai, J. Fujioka, T. Fukuda, D. Okuyama, D. Hashizume,
F. Kagawa, H. Nakao, Y. Murakami, T. Arima, A. Q. R. Baron, Y. Taguchi,
and Y. Tokura, Physical Review Letters 107, 137601-1-5 (2011).
- “Thermoelectric response in the incoherent transport region near Mott transition:
The case study of La1−xSrxVO3”, M. Uchida, K. Oishi, M. Matsuo, W. Koshibae,
Y. Onose, M. Mori, J. Fujioka, S. Miyasaka, S. Maekawa and Y. Tokura, Physical
Review B 83, 165127-1-5 (2011).
- "Structural and magnetic phase transitions of the orthovanadates RVO3
(R = Dy, Ho, Er) as seen via neutron diffraction", M. Reehuis,
C. Ulrich, K. Prokes, S. Matas, J. Fujioka, S. Miyasaka, Y. Tokura, and
B. Keimer, Physical Review B 83, 064404-1-10 (2011).
- “Optical characterization of spin-charge-orbital orders in Pr(Sr1-yCay)2Mn2O7”,
I. Ishii, Y. Tokunaga, J. Fujioka, Y. Onose, Y. Tokura, Physical Review
B 82, 245103-1-6 (2010).
- “Interface band profiles of Mott-insulator/Nb: SrTiO3 heterojunctions as
investigated by optical spectroscopy”, M. Nakamura, A. Sawa, J. Fujioka,
M. Kawasaki, Y. Tokura, Physical Review B 82, 201101(R)-1-4 (2010).
- “Optical investigation of the collective dynamics of charge-orbital density
waves in layered manganites”, J. Fujioka, Y. Ida, Y. Takahashi, N. Kida,
R. Shimano, Y. Tokura, Physical Review B 82, 140409(R)-1-4 (2010) (Editor’s
suggestion).
- ”Critical competition between two distinct orbital-spin ordered states
in perovskite vanadates”, J. Fujioka, T. Yasue, S. Miyasaka, Y. Yamasaki,
T. Arima, H. Sagayama, T. Inami, K. Ishii, Y. Tokura, Physical Review B
82, 144425-1-12 (2010) (Editor’s suggestion).
- "Control of orbital ordered state in strained Nd0.25Sr1.75MnO4 films",
K. S. Takahashi, J. Fujioka, Y. Ida, M. Kawasaki, and Y. Tokura, Applied
Physics Letters 96, 202508-1-3 (2010).
- "Ferroelectricity in one-dimensional organic quantum magnet",
F. Kagawa, S. Horiuchi, M. Tokunaga, J. Fujioka, and Y. Tokura, Nature
Physics 6, 169-172 (2010).
- "Anisotropic polarization pi-molecular skeleton coupled dynamics in
proton-displacive organic ferroelectrics", J. Fujioka, S. Horiuchi,
N. Kida, R. Shimano, and Y. Tokura, Physical Review B 80, 125134-1-8 (2009).
- "Dynamical Disorder of -Molecular Structures Induced by Proton Dynamics
in an Organic Ferroelectric Compound", J. Fujioka, S. Horiuchi,
F. Kagawa, and Y. Tokura, Physical Review Letters 102, 197601-1-4 (2009).
- "Magneto-Optical Characterization on the Ferromagnetic-Paramagnetic
Transitions in the Composition-Spread Epitaxial Film of Sr1-xCaxRuO3",
N. Hosaka, H. Yamada, Y. Shimada, J. Fujioka, S. Bordacs, I Kezsmarki,
M. Kawasaki, and Y. Tokura, Applied Physics Express 1, 113001-1-3 (2008).
- "Evidence for an Electric-Dipole Active Continuum Band of Spin Excitations
in Multiferroic TbMnO3", Y. Takahashi, N. Kida, Y.Yamasaki, J.
Fujioka, T. Arima, R. Shimano, S. Miyahara, M. Mochizuki, N. Furukawa,
and Y. Tokura, Physical Review Letters 101, 187201-1-4 (2008).
- "Charge dynamics in thermally and doping induced insulator-metal transitions
of (Ti1-xVx)2O3", M. Uchida, J. Fujioka, Y. Onose, and Y. Tokura,
Physical Review Letters 101, 066406-1-4 (2008).
- "Doping variation of anisotropic charge and orbital dynamics in Y1-xCaxVO3:
Comparison with La1-xSrxVO3", J. Fujioka, S. Miyasaka, and Y.Tokura,
Physical Review B 77, 144402-1-10(2008).
- "Magnetic field switching between the two orbital-ordered states in
DyVO3", S. Miyasaka, T. Yasue, J. Fujioka, Y. Yamasaki, Y. Okimoto,
R. Kumai, T. Arima, and Y. Tokura, Physical Review Letters 99, 217201-1-4(2007).
- "Doping variation of orbitally induced anisotropy in the electronic
structure of La1-xSrxVO3", J. Fujioka, S. Miyasaka, and Y. Tokura,
Physical Review Letters 97, 196401-1-4(2006).
- "Raman study of spin and orbital order and excitations in perovskite-type
RVO3 (R = La, Nd, and Y)", S. Miyasaka, J. Fujioka, M. Iwama,
Y.Okimoto, and Y. Tokura, Physical Review B 73, 224436-1-9 (2006).
- "Orbital disordering and the metal-insulator transition with hole
doping in perovskite-type vanadium oxides", J. Fujioka, S. Miyasaka,
and Y. Tokura, Physical Review B 72, 024460-1-5 (2005).
- "One-dimensional orbital excitations in vanadium oxides",
S. Miyasaka, S. Onoda, Y. Okimoto, J. Fujioka, M. Iwama, N. Nagaosa and
Y. Tokura, Physical Review Letters 94, 076405-1-4 (2005).