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勝藤研究室
Katsufuji Lab.       早稲田大学 先進理工学 物理学科

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Publication List
2023
  T. Yoshida, K. Akimoto, A. Yanagida, S. Yano, H. Matsumoto, T. Iwata, R. Yoshimura, and T. Katsufuji
Optical spectroscopy of bulk single crystals of VOx and TiOx,

Phys. Rev. Mater. 7, 014412 (2023).

2022
 
T. Tsukame, T. Iwata, Y. Shiraishi, T. Kajita, and T. Katsufuji,
Dynamics of phase transitions in Ba1−xSrxV13O18,

Phys. Rev. B 106, 045124 (2022).



G. M. Pugliese , F. G. Capone , L. Tortora , F. Stramaglia , L. Simonelli , C. Marini, Y. Kondoh, T. Kajita, T. Katsufuji, T. Mizokawa and N. L. Saini,
The Local Structure and Metal-Insulator Transition in a Ba3Nb5-xTixO15 System”,

Materials 15, 4402 (2022).



R. Nakamura ,T. Miyoshino , Y. Kondoh , T. Kajita , T. Katsufuji , N. L. Saini , and T. Mizokawa ,
Electronic Structure of Ba3Nb5O15 and Ba2SrNb5O15 Studied by Band Calculation and Photoemission Spectroscopy”,

J. Phys. Soc. Jpn. 91, 064711 (2022).



T. Manjo, S. Kitou , N. Katayama, S. Nakamura, T. Katsufuji, Y. Nii, T. Arima, J. Nasu, T. Hasegawa, K. Sugimoto,
D. Ishikawa, A. Q. R. Baron, and H. Sawa,
Do electron distributions with orbital degree of freedom exhibit anisotropy?,

Mater. Adv. 3, 3192 (2022)


T. Saiki, T. Yoshida, K. Akimoto, D. Indo, M. Arizono, T. Okuda, and T. Katsufuji,
Selection rule for the photoinduced phase transition dominated by anisotropy of strain in Ti3O5,

Phys. Rev. B 105, 075134 (2022).


K. Iwamoto, W. Sekino, S. Ito, Y. Katayama, K. Ueno, and T. Katsufuji,
Large Negative Magnetoresistance in Ba3−xEuxNb5O15,

J. Phys. Soc. Jpn. 91, 033702 (2022).

2021
 
Y. Kondoh, R. Takei, T. Okuda, K. Ueno, Y. Katayama, T. Saiki, W. Sekino, T. Kajita, and T. Katsufuji,
Metal-insulator transition in Ba3−xSrxNb5O15,

Phys. Rev. B 104, 125128(2021).


Open Access
T. Kajita, H. Kuwahara, S. Mori, and T. Katsufuji,
Superstructures arising from V trimers with orbital ordering in BaV10O15,

Phys. Rev. Research 3, 033046(2021).


S. Nakamura and T. Katsufuji,
Examination of Charge Order in Mixed Valence Oxide LuFe2O4 by Mössbauer Quadrupole Effect”,

J. Phys. Soc. Jpn. 90, 064702 (2021).


Open Access
T. Katsufuji, M. Miyake, M. Naka, M. Mochizuki, S. Kogo, T. Kajita, Y. Shimizu, M. Itoh, T. Hasegawa, S. Shimose, S. Noguchi, T. Saiki, T. Sato, and F. Kagawa,
Orbital and magnetic ordering and domain-wall conduction in ferrimagnet La5Mo4O16,

Phys. Rev. Research 3, 013105 (2021).


T. Saiki , K. Funahashi, T. Yamazaki, T. Kajita., and T. Katsufuji,
Pump–probe Spectroscopy with Uniaxial Strain for BaV10O15,

J. Phys. Soc. Jpn. 90, 024704 (2021).

2020
 
T. Yasuda, Y. Kondo, T. Kajita, K. Murota, D. Ootsuki, Y. Takagi, A. Yasui, N. L. Saini, T. Katsufuji, and T. Mizokawa,
Interplay between electronic correlation and atomic disorder in a low carrier density 4d transition-metal oxide,

Phys. Rev. B 102, 205133 (2020)


S Nakamura, T Masuda, K Ohgushi, T. Katsufuji,
Mössbauer Study of Rare-earth Ferroborate NdFe3(BO3)4,

J. Phys. Soc. Jpn. 89, 084703 (2020).


R. Takahama, T. Ishii, D. Indo, M. Arizono, C. Terakura, Y. Tokura, N. Takeshita, M. Noda, H. Kuwahara, T. Saiki, T. Katsufuji, R. Kajimoto, and T. Okuda,
Structural, magnetic, transport, and thermoelectric properties of the pseudobrookite AlTi2O5−Ti3O5 system ,

Phys. Rev. Materials 4, 074401 (2020).


Open Access
T Katsufuji, T Kajita, S Yano, Y Katayama, K Ueno,
Nucleation and growth of orbital ordering,

Nat. Commun. 11, 2324 (2020).


T. Saiki, S. Ohkubo, K. Funahashi, T. Yamazaki, T. Kajita, and T. Katsufuji,
“ Change in the optical spectrum of BaV10O15 with applied uniaxial strain,

Phys. Rev. B 101, 121111(R) (2020).


Editors' Choice
Open Access
T. Katsufuji, 
H. Ikeda, M. Ashizawa, M. Oike, and T. Kajita,

“Nonlinear Behavior in the Electrical Resistance of Strongly Correlated Insulators,

J. Phys. Soc. Jpn. 89, 044702 (2020).

2019
 
S. Dash, H. Enomoto, T. Kajita, K. Ono, K. Horiba, M. Kobayashi, H. Kumigashira, V. Kandyba, A. Giampietri, A. Barinov, F. Stramaglia, N. L. Saini, T. Katsufuji, and T. Mizokawa,

Temperature-dependent evolution of Ti 3d spectral features at surface of BaxTi8O16+δ,

Phys. Rev. B 100, 125153 (2019).



S. Nakamura and T. Katsufuji,
Local Structure and Magnetic Structure of Spinel Oxide MnV2O4 Observed by Mössbauer Spectroscopy”,

J. Phys. Soc. Jpn. 88, 064703 (2019).



K. Funahashi1, Y. Kakesu, T. Kajita, Y. Obata, Y. Katayama, K. Ueno, T. Suzuki, J. G. Checkelsky, and T. Katsufuji,
Magnetotransport Properties of the Orbital-Ordered State of Ba1−xSrxV13O18,

J. Phys. Soc. Jpn. 88, 024708 (2019).


S. Dash, M. Okawa, T. Kajita, T. Yoshino, R. Shimoyama, K. Takahashi, Y. Takahashi, R. Takayanagi, T. Saitoh, A. Yasui, E. Ikenaga, N. L. Saini, T. Katsufuji, and T. Mizokawa,
Temperature-dependent valence state within the metallic phase of BaV10O15 probed by hard x-ray photoelectron spectroscopy”,

Phys. Rev. B 99, 035122 (2019).



2018
   
K. Funahashi, T. Higashide, T. Ueno, K. Tasaki, Y. Tahara, M. Adachi, T. Saiki, T. Kajita, and T. Katsufuji,
Doping effect on orthorhombic Sr2VOwith s=1/2 dimers”,


Phys. Rev. B 98, 184422 (2018).


J. Matsuno, J. Fujioka,T. Okuda, K. Ueno, T. Mizokawa, and T. Katsufuji,
Strongly correlated oxides for energy harvesting”,

Sci. Tech. Adv. Mater.19, 899 (2018).


Y. Yamashita, T. Okuda, S. Mori, Y. Horibe, R. Murata, and T. Katsufuji,
Transport, magnetic, thermoelectric, and structural properties of hollandite titanates BaxTi8O16+δ”,

Phys. Rev. Materials 2, 074409 (2018).



Y. Nonaka, G. Shibata, R. Koborinai, K. Ishigami, S. Sakamoto, K. Ikeda, Z. Chi, T. Koide, A. Tanaka, T. Katsufuji, and A. Fujimori,
Electronic states and possible origin of the orbital-glass state in a nearly metallic spinel cobalt vanadate: An x-ray magnetic circular dichroism study”,

Phys. Rev. B 97, 205126 (2018).


T. Katsufuji, T. Saiki, S. Okubo, Y. Katayama, and K. Ueno,

Thermal conductivity of SrVO3−SrTiO3 thin films: Evidence of intrinsic thermal resistance at the interface between oxide layers”,

Phys. Rev. Materials 2, 051002(R) (2018).


S. Kobayashi, H. Ueda, C. Michioka, K. Yoshimura, S. Nakamura, T. Katsufuji, and H. Sawa,

“Anomalous double-stripe charge ordering in β−NaFe2O3 with double triangular layers consisting of almost perfect regular Fe4 tetrahedra”,

Phys. Rev. Materials 2, 054402 (2018).


S. Dash, T. Kajita, M. Okawa, T. Saitoh, E. Ikenaga, N. L. Saini, T. Katsufuji, and T. Mizokawa,

“Anomalous metallic state with strong charge fluctuations in BaxTi8O16+δ revealed by hard x-ray photoemission spectroscopy”,

Phys. Rev. B 97, 165116 (2018).


S. Dash, T. Kajita, T. Yoshino, N.L. Saini, T. Katsufuji, T. Mizokawa,
“V 2p core-level spectroscopy of V2+/V3+ mixed valence AV10O15 (A=Ba, Sr) and Ba0.9Sr0.1V13O18”,

J. Electron Spectroscopy and Related Phenomena 223, 11(2018)


2017
 
T. Kajita, Y. Obata, Y. Kakesu, Y. Imai, Y. Shmizu, M. Itoh, H. Kuwahara, and T. Katsufuji
Trimerization and orbital ordering in Ba1−xSrxV13O18”,

Phys. Rev. B 96, 245126 (2017).


T. Yoshino, K. Wakita, E. Paris, A. Barinov, T. Kajita, T. Katsufuji, V. Kandyba, T. Sugimoto, T. Yokoya, N. L. Saini, and T. Mizokawa,
Inhomogeneous electronic states associated with charge-orbital order/disorder in BaV10O15 probed by photoemission spectromicroscopy,

Phys. Rev. B 96, 115161 (2017).



T. Saiki, N. Yamaguchi, Y. Obata, Y. Kakesu, T. Kajita, and T. Katsufuji,
“Photoinduced phase transitions over three phases in Ba0.9Sr0.1V13O18”,

Phys. Rev. B 96, 035133 (2017).


T. Watanabe, S. Yamada, R. Koborinai, and T. Katsufuji,
“Variety of elastic anomalies in an orbital-active nearly itinerant cobalt vanadate spinel”,

Phys. Rev. B 96, 014422 (2017).


Y. Mizuno, T. Hasegawa and T. Katsufuji,
“Anomalous relaxation behavior in the resistivity and magnetization of La5Mo4O16”,

Phys. Rev. B 95, 224436 (2017).


K. Iida, R. Kajimoto, Y.Mizuno, K.Kamazawa, Y.Inamura, A. Hoshikawa, Y. Yoshida, T. Matsukawa, T.Ishigaki, Y. Kawamura, S. Ibuka, T. Yokoo, S. Itoh and T. Katsufuji,
“Time-of-Flight Elastic and Inelastic Neutron Scattering Studies on the Localized 4d Electron Layered Perovskite La5Mo4O16”,

J. Phys. Soc. Jpn. 86, 064803
 (2017).


E. Jo, S. Park, J. Lee, S. Lee, J. H. Shim, T. Suzuki and T. Katsufuji,
Orbital reorientation in MnV2Oobserved by V NMR”,

Sci. Rep.7, 2178 (2017).


S. Dash, M. Okawa, T. Kajita, T. Yoshino, R. Shimoyama, K. Takahashi, Y. Takahashi, R. Takayanagi, T. Saitoh, D. Ootsuki, T. Yoshida, E. Ikenaga, N. L. Saini, T. Katsufuji, and T. Mizokawa,
“Electronic properties of Ba1−xSrxV13O18 (x=0,0.2,1) studied using hard x-ray photoelectron spectroscopy”,

Phys. Rev. B 95, 195116 (2017).

T. Yoshino, M. Okawa, T. Kajita, S. Dash, R. Shimoyama, K. Takahashi, Y. Takahashi, R. Takayanagi, T. Saitoh, D. Ootsuki, T. Yoshida, E. Ikenaga, N. L. Saini, T. Katsufuji, and T. Mizokawa,
Unusual valence state and metal-insulator transition in BaV10O15 probed by hard x-ray photoemission spectroscopy”,

Phys. Rev. B 95, 075151 (2017).


A. Takanabe, T. Katsufuji, K. Johmoto, H. Uekusa, M. Shiro, H. Koshima and T. Asahi,
Reversible Single-Crystal-to-Single-Crystal Phase Transition of Chiral Salicylidenephenylethylamine”,

CRYSTALS, 7,7(2017)


2016
   
N. Yamaguchi, A. Furuhashi, H. Nishihara, R. Murata, K. Takayama, and T. Katsufuji,
Photoinduced dynamics in doped Mott insulators with polaronic conduction: Ba2Ti13O22 and BaxTi8O16”,

Phys. Rev. B 94, 045119 (2016).


J. Schiemer, L. J. Spalek, S. S. Saxena, C. Panagopoulos, T. Katsufuji, A. Bussmann-Holder, J. Köhler, and M.A. Carpenter,
Magnetic field and in situ stress dependence of elastic behavior in EuTiO3 from resonant ultrasound spectroscopy”,

Phys. Rev. B. 93, 054108(2016).


R. Koborinai, S. E. Dissanayake, M. Reehuis, M. Matsuda, T. Kajita, H. Kuwahara, S.-H. Lee, and T. Katsufuji,
Orbital Glass State of the Nearly Metallic Spinel Cobalt Vanadate”,

Phys. Rev. Lett. 116, 037201(2016).


T. Katsufuji, T. Okuda, R. Murata, T. Kanzaki, K. Takayama, and T. Kajita,
Universal Behaviors of the Phonon Thermal Conductivity Associated with Charge/Orbital Ordering in Transition-Metal Oxides”,

J. Phys. Soc. Jpn. 85, 013703 (2016).


2015
   
R. Murata, T. Sato, T. Okuda, Y. Horibe, H. Tsukasaki, S. Mori, N. Yamaguchi, K. Sugimoto, S. Kawaguchi, M. Takata, and T. Katsufuji,

Electronic phase transition in hollandite titanates BaxTi8O16+δ”,

Phys. Rev. B 92, 220408(R) (2015)


H. Nishihara, A. Furuhashi, N. Yamaguchi, R. Koborinai, and T. Katsufuji,

Coupling between Mott excitation and d−d transitions in CoV2O4 ”,

Phys. Rev. B 92, 140401(R) (2015)


T. Konishi, K. Kobayashi and T. Katsufuji,
Long-time relaxation of the magnetization in a pure crystal magnet La5Mo4O16”,

Phys. Rev. B 92, 020419(R) (2015).


J. Schiemer, L. J. Spalek, S. S. Saxena, C. Panagopoulos, T. Katsufuji and M. A. Carpenter
Magnetoelastic relaxations in EuTiO3”,

Europhys. Lett. 109, 57004(2015).


T. Ito, Y. Shimada, and T. Katsufuji,
“Magnetoresistance in a doped Mott-Hubbard system: RTiO3”,

Phys. Rev. B 91, 024411(2015).


2014
   
Y. Ishitsuka, T. Ishikawa, R. Koborinai, T. Omura, and T. Katsufuji
,
“Comparative studies of the thermal conductivity of spinel oxides with orbital degrees of freedom”,

Phys. Rev. B 90, 224411 (2014).


Editors' Suggestion
L. J. Spalek, S. S. Saxena, C. Panagopoulos, T. Katsufuji, J. A. Schiemer, and M. A. Carpenter,
Elastic and anelastic relaxations associated with phase transitions in EuTiO3”,

Phys. Rev. B 90, 054119 (2014).


T. Kanzaki, J. Fujioka, Y. Tokura, H. Kuwahara, and T. Katsufuji,
Anomalous metallic ground state in BaV13O18”,

Phys. Rev. B 89, 140401(R) (2014).


T. Ueno, J. Kim, M. Takata, and T. Katsufuji,
Effect of Offstoichiometry on the Physical Properties of Sr2VO4”,

J. Phys. Soc. Jpn. 83, 034708 (2014).



2013
   
K. Takubo, Y. Onishi, A. Furuhashi, A. Nogami, and T. Katsufuji,
Photoinduced dynamics of spinel MnV2O4,

Phys. Rev. B 88, 214416 (2013).


J.-H. Chung, Y.-S. Song, J.-H. Kim, T. Suzuki, T. Katsufuji, M. Matsuda, and S.-H. Lee,
Dynamic spin correlations in the frustrated cubic phase of MnV2O4,

Phys. Rev. B 88, 094430 (2013).



A. Furuhashi, H. Nishihara, K. Takubo, and T. Katsufuji,
Photoinduced dynamics in spinel and pyrochlore vanadates as Mott-Hubbard insulators with magnetic ordering,

Phys. Rev. B 88, 060410(R) (2013).


K. Takayama, T. Koyama, S. Mori, K. Kato, M. Takata, J. Fujioka, Y. Tokura, J. Miyazaki, and T. Katsufuji
,
Electronic Phase Transition and an Anomalous Ordered Phase in Ba2Ti13O22 with 3d1 Ions on a Triangle-Based Lattice”,

Phys. Rev. Lett. 110, 196405(2013).



A. Nogami, T. Kanzaki, A. Furuhashi, and T. Katsufuji,
Temperature Dependence of the Photoinduced Dynamics on the Cleaved Surface of BaV10O15,

J. Phys. Soc. Jpn. 82, 034713 (2013).


J.-H. Chung, K. H. Lee, Y.-S. Song, T. Suzuki, and T. Katsufuji,
“Low Temperature Structural Instability of Tetragonal Spinel Mn3O4,

J. Phys. Soc. Jpn. 82, 034707 (2013).


Editors' Suggestion
T. Katsufuji, T. Takubo, and T. Suzuki
,
Change of the optical conductivity spectra with orbital and spin ordering in spinel MnV2O4,

Phys. Rev. B 87, 054424 (2013).


A. P. Petrovic, Y. Kato, S. S. Sunku, T. Ito, P. Sengupta, L. Spalek, M. Shimuta, T. Katsufuji, C. D. Batista, S. S. Saxena, and C. Panagopoulos,

“Electric field modulation of the tetragonal domain orientation revealed in the magnetic ground state of quantum paraelectric EuTiO3,

Phys. Rev. B 87, 064103 (2013).



T. Katsufuji, T. Ishikawa, and Y. Ishitsuka,
“Moving Domain Boundary and the Spontaneous Flow of Thermal Current Controlled by Magnetic Field in Spinel MnV2O4,

J. Phys. Soc. Jpn. 82, 034602 (2013).


2012
   
C. Kim, E. Jo, B. Kang, S. Kwon, S. Lee, J. H. Shim, T. Suzuki and T. Katsufuji,
“Giant magnetic anisotropy in Mn3O4 investigated by 55Mn2+ and 55Mn3+ NMR,

Phys. Rev. B 86, 224420 (2012).


V. Scagnoli, M. Allieta, H. Walker, M. Scavini, T. Katsufuji, L. Sagarna, O. Zaharko, and C. Mazzoli,
EuTiO3 magnetic structure studied by neutron powder diffraction and resonant x-ray scattering,

Phys. Rev. B 86, 094432 (2012).


K. Takubo, T. Kanzaki, Y. Yamasaki, H. Nakao, Y. Murakami, T. Oguchi, and T. Katsufuji,
“Orbital states of V trimers in BaV10O15 detected by resonant x-ray scattering”,

Phys. Rev. B 86, 085141 (2012).


T. Omura, T. Ishikawa, Y. Ishitsuka, and 
T. Katsufuji,
“Orbital fluctuations in spinel Mn(V1-xAlx)2O4 studied by thermal conductivity measurements,

Phys. Rev. B 86, 054436 (2012).


K. Myung-Whun, S. Y. Jang, T. Katsufuji, and A. V. Boris,
“Infrared phonon anomalies and orbital ordering in single-crystalline MnV2O4 spinel”,

Phys. Rev. B 85, 224423 (2012).


M. Allieta, M. Scavini, L. J. Spalek, V. Scagnoli, H. C. Walker, C. Panagopoulos, S. S. Saxena, T. Katsufuji, and C. Mazzoli,
“Role of intrinsic disorder in the structural phase transition of magnetoelectric EuTiO3,

Phys. Rev. B 85, 184107 (2012).


T. Kanzaki, R. Kubota, and T. Katsufuji,
“Change of phonon Raman spectra with V trimerization in BaV10O15,

Phys. Rev. B 85, 144410 (2012).



M. Hoshino, T. Kajita, T. Kanzaki, M. Uchida, Y. Tokura, and
 T. Katsufuji,
“Charge-gap formation in the insulating states of AV10O15 (A = Ba, Sr),

Phys. Rev. B 85, 085106 (2012).


W. Kobayashi, D. Sawaki, T. Omura, T. Katsufuji, Y. Moritomo, and I. Terasaki,
“Thermal Rectification in the Vicinity of a Structural Phase Transition,

Appl. Phys. Express 5, 027302 (2012)



2011
   
A. Nogami, K. Takubo, T. Kajita, M. Hoshino, and T. Katsufuji
,
“Dynamics of photoinduced phenomena in AV10O15 (A = Ba, Sr),


Phys. Rev. B 84, 214442 (2011).


K. Takubo, R. Kubota, T. Suzuki, T. Kanzaki, S. Miyahara, N. Furukawa, and T. Katsufuji,
“Evolution of phonon Raman spectra with orbital ordering in spinel MnV2O4,

Phys. Rev. B 84, 094406 (2011).


Y. Shimizu, K. Matsudaira, M. Itoh, T. Kajita, and T. Katsufuji,
“Spin-singlet trimer state induced by competing orbital order in triangular-lattice BaV10O15,

Phys. Rev. B 84, 064421 (2011).


M. Ikeda, T. Okuda, K. Kato, M. Takata, and T. Katsufuji,
“Competition between vanadium tetramerization and trimerization in Ba1-xSrxV13O18,


Phys. Rev. B 83, 134417 (2011).




T. Saitoh , H. Iwasawa, K. Kurahashi, Y. Nakano, T. Katsufuji, I. Hase, K. Shimada, H. Namatame, and M. Taniguchi,
“Spin-doping effect on the electronic structure of Sr1-(x+y)Lax+yTi1-xCrxO3
,

J. Electron Spectrosc. Relat. Phenom. 184, 232 (2011).


K.Kobayashi and
 T. Katsufuji,
“High-temperature interlayer magnetoresistance in La5Mo4O16,

Phys. Rev. B 83, 100411(R) (2011).


Kim Myung-Whun, J. S. Kim, T. Katsufuji, and R. K. Kremer,
“Magnetic susceptibility and specific heat of a spinel MnV2O4 single crystal,

Phys. Rev. B 83, 024403 (2011) .

2010
   
Y.-S. Song, LQ Yan, B. Lee, SH Chun, KH Kim, SB Kim, A. Nogami, T. Katsufuji, J. Schefer and J.-H. Chung,
“Chemical doping-induced flop of ferroelectric polarization in multiferroic Mn0.9Co0.1WO4,

Phys. Rev. B 82, 214418 (2010) .


M. Ikeda, Y. Nagamine, S. Mori, J. E. Kim, K. Kato , M. Takata, and T. Katsufuji,
“Phase transitions and the role of vanadium t2g states in AV13O18 (A=Sr,Ba),

Phys. Rev. B 82, 104415 (2010) .


K. Takubo, M. Shimuta, J. E. Kim, K. Kato, M. Takata, and T. Katsufuji,
“Crossover behavior of the crystal structure and the relation to magnetism in perovskite RTiO3 ,

Phys. Rev. B 82, 020401(R) (2010) .


J. Miyazaki, K. Matsudaira, Y. Shimizu, M. Itoh, Y. Nagamine, S. Mori, J. E. Kim, K. Kato, M. Takata, and T. Katsufuji,
“Formation of a Three-Dimensional Network of V Trimers in A2V13O22 (A=Ba, Sr) ,

Phys. Rev. Lett. 104, 207201 (2010).


V. V. Shvartsman, P. Borisov, W. Kleemann, S. Kamba ,and T. Katsufuji,
“Large off-diagonal magnetoelectric coupling in the quantum paraelectric antiferromagnet EuTiO3 ,

Phys. Rev. B 81, 064426 (2010).


T. Kajita, T. Kanzaki, T. Suzuki, J. E. Kim, K. Kato, M. Takata, and T. Katsufuji,
“Opening of a charge gap with V trimerization in BaV10O15”,


Phys. Rev. B 81, 060405(R) (2010).


S. H. Lee, H. Takagi, D. Louca, M. Matsuda, S. Ji, H. Ueda, Y. Ueda, T. Katsufuji, S. W. Cheong, et al.
“Frustrated Magnetism and Cooperative Phase Transitions in Spinels”,


J. Phys. Soc. Jpn. 79, 011004 (2010).


J. Masuzawa, Y. Saiki, T. Suzuki, and T. Katsufuji,
“Study of Dynamics in Inhomogeneous States by Temperature-Modulated Optical Reflectivity Measurement: Application to Perovskite Manganites”,


J. Phys. Soc. Jpn. 79, 014704 (2010).



2009
   
H. Iwasawa, S. Kaneyoshi, K. Kurahashi, T. Saitoh, I. Hase, T. Katsufuji, K. Shimada, H. Namatame, and M. Taniguchi,

“Electronic structure of Sr0.8-yLa0.2+yTi0.8Cr0.2O3 studied by photoemissionspectroscopy and first-principles band structure calculations ”,

Phys. Rev. B 80, 125122 (2009).


A. Kato, Y. Uesu, and T. Katsufuji,
“Optical Study of the Accumulated Charge in the Amorphous InGaZnO4 Thin-Film Transistor”,


J. Phys. Soc. Jpn. 78, 093706 (2009).


J. Miyazaki, T. Sonehara, D. Akahoshi, H. Kuwahara, J. E. Kim, K. Kato, M. Takata, and T. Katsufuji,
“Impact of orbital degrees of freedom on geometrical frustration in the kagome-like magnet SrVxGa12-xO19”,


Phys. Rev. B 79, 180410(R) (2009).



K. Azumi, K. Aoyama, S. Asanuma, Y. Uesu, and T. Katsufuji,
“Direct observation of a repeatable change in electronic states with applied electric voltage pulses in the metal-insulator-metal structure”,


Phys. Rev. B
 79, 121101(R) (2009).



2008
   
A. Nogami, T. Suzuki, and T. Katsufuji,
“Second Harmonic Generation from Multiferroic MnWO4”,


J. Phys. Soc. Jpn.77
, 115001 (2008).



Y. Shimizu, M. Tanaka, M. Itoh, and T. Katsufuji,
“Spin-singlet formation in the geometrically frustrated spinel oxide AlV2O4: 51V and 27Al NMR measurements”
,

Phys. Rev. B 78, 144423 (2008).


T. Suzuki, and T. Katsufuji,
“Magnetodielectric properties of spin-orbital coupled system Mn3O4,

Phys. Rev. B
 77220402(R) (2008).



T. katsufuji, T. Suzuki, H. Takei, M. Shingu, K. Kato, K. Osaka, M. Takata, H. Sagayama, and T. Arima,
“Structural and Magnetic Properties of Spinel FeV2
O4 with Two Ions Having Orbital Degrees of Freedom”,


J. Phys. Soc. Jpn.77,053708
 (2008).



D. Satoh, K. Okamoto, and T. Katsufuji,
“Magnetic impurities and itinerant carriers in doped SrTiO3 : Anomalous Hall resistivity”,

Phys. Rev. B 77121201(R) (2008).


J.-H. Chung, J.-H Kim, S.-H Lee, T. J. Sato, T. Suzuki, M. Katsumura, and T. Katsufuji,
“Magnetic excitations and orbital physics in the ferrimagnetic spinels MnB2O4 (B=Mn,V)”,


Phys. Rev. B 77, 054412 (2008).



2007
   
H. Takei, T. Suzuki, and T. Katsufuji,
“Nonvolatile memory effect of capacitance in polycrystalline spinel vanadate”,


Appl. Phys. Lett. 91, 072506 (2007).


S. Kaneyoshi, H. Iwasawa, T. Saitoh, Y. Aiura, D. Satoh, T. Katsufuji, I. Hase, M. Higashiguchi, K. Shimada, H. Namatame, et al.
“Independent control of charge and spin density in Sr1-(x+y)
Lax+yTi1-xCrxO3 probed by photoemission spectroscopy
”,


J. Mag. Mag. Mat. 310, e278-e280 (2007).


I. Hase, T. Saitoh, and T. Katsufuji,
“Ab initio calculation of charge- and spin-controlled Sr1-x
-yLax+yTi1-xCrxO3”,

J. Mag. Mag. Mat. 310, e281-e282 (2007).



S. Mori, J. Tokunaga, Y. Horibe, T. Asada,  Y. Koyama, and T. Katsufuji,
“Doping Effect on Ferroelectric Microstructure in YMn1 - xTixO3 ”,

Ferroelectrics 348, 572-578(2007)


T. Suzuki, M. Katsumura, K. Taniguchi, T. Arima, and T. Katsufuji,
Orbital Ordering and Magnetic Field Effect in MnV2O4”,

Phys. Rev. Lett. 98, (12) 127203 (2007).



T. Suzuki, K. Adachi and T. Katsufuji,
“Correlation between magnetic, dielectric properties and crystal structure in MnT2O4 (T=V, Cr, Mn)”,

J. Mag. Mag. Mat.310, 780-781 (2007).



2006
   
T. Nomura, J. Masuzawa, and T.Katsufuji,
Dynamical specific heat of two-phase coexistence in RMnO3”, 

Phys. Rev. B 74, 220403(R) (2006).


T. Sonehara, K. Kato, K. Osaka, M. Takata, and T. Katsufuji,
Transport, magnetic, and structural properties of spinel MnTi2O4 and the effect of V do ping”,

Phys. Rev. B 74, 104424 (2006).


T. Katsufuji, K. Adachi, T. Suzuki, and M. Katsumura,
Magnetic-field switching of crystal structure in spinel MnV2O4”, 

Physica B 383, 13-15 (2006).


K. Waku, T. Suzuki, and T.Katsufuji,
Spin-dependent charge dynamics of an orbital-spin-coupled system: Yb2V2O7”,

Phys. Rev. B 74, 024402 (2006).


Y. Horibe, M. Shingu, K. Kurushima, H. Ishibashi, N. Ikeda, K. Kato, Y. Motome, N. Furukawa. S. Mori, and T. katsufuji,
Erratum:Spontaneous formation of vanadium "molecules" in a geometrically frustrated crystal: AlV2O4 (vol 96, pg 086406, 2006)”, 

Phys. Rev. Lett. 96, 169901 (2006).


M. Hamaguchi, K. Aoyama, S. Asanuma, Y. Uesu, and T. Katsufuji,
Electric-field-induced resistance switching universally observed in transition-metal-oxide thin films”, 

Appl. Phys. Lett. 88, 142508 (2006).


Y. Horibe, M. Shingu, K. Kurushima, H. Ishibashi, N. Ikeda, K. Kato, Y. Motome, N. Furukawa, S. Mori, and T. Katsufuji,
Spontaneous formation of vanadium "molecules" in a geometrically frustrated crystal: AlV2O4”, 

Phys. Rev. Lett. 96, 086406 (2006).


H. Iwasawa, K. Yamakawa, T. Saitoh, J. Inaba, T. Katsufuji, M. Higashiguchi, K. Shimada, H. Namatame, and M. Taniguchi,
Electronic structure of charge- and spin-controlled Sr1-(x+y)Lax+yTi1-xCrxO3 ”,

Phys. Rev. Lett. 96, 067203 (2006).


2005
 
S. Mori, J. Tokunaga, Y. Horibe, Y. Aikawa, and T. Katsufuji,
“Magnetocapacitance effect and related microstructure in Ti-doped YMnO3” ,

Phys. Rev. B 72, 224434 (2005).


K. Adachi, T. Suzuki, K. Kato, K. Osaka, M. Takata, and T. Katsufuji,
"Magnetic-field switching of crystal structure in an orbital-spin-coupled system: MnV2O4",


Phys. Rev. Lett. 95, 197202 (2005).


S. Mori, J. Tokunaga, Y. Horibe, Y. Aikawa, and T. Katsufuji,
“Structural Phase Transition and Domain Structurres in YMn1-xTixO3”,


Jpn. J. Appl. Phys. 44, 7174-7176 (2005).



J. Inaba, and
 T. Katsufuji,
“Large magnetoresistance in spin- and carrier-doped SrTiO3”,


Phys. Rev. B 72, 052408 (2005).


K. Waku, T. Suzuki, T. Nomura, and T. Katsufuji,
“Dynamics of the charge-spin interplay in a perovskite manganite”,


Phys. Rev. B 72, 012418 (2005).


Y. Aikawa, T. Katsufuji, T. Arima, and K. Kato,
“Effect of Mn trimerization on the magnetic and dielectric properties of hexagonal YMnO3”,


Phys. Rev. B 71, 184418 (2005).


A
. Sekiyama, T. Sasabayashi, A. Higashiya, H. Fujiwara, S. Imada, K. Taniguchi, H. Takagi, T. Katsufuji, K. Kitazawa, and S. Suga,
“Soft X-ray photoemission studyl of CaB6”,


J. Electron Spectrosc. Relat. Phenom. 144, 659-661 (2005).


Y. Horibe, K. Kurushima, S. Mori, T. Asada, Y. Koyama, M. Shingu,
and 
T. Katsufuji,
“Doping effect on the charge ordering in AlV2O4”,


Phys. Rev. B 71, 052411 (2005).


Editors' Choice
T. Suzuki, Y. Aikawa,and T. Katsufuji,
“Magnetocapacitance in geometrically frustrated magnet ZnFe2O4”,


J. Phys. Soc. Jpn. 74, 863-866 (2005).


S. Mori, Y. Horibe, and T. Katsufuji,
“Ferroelectric domains in hexagonal YMnO3”,


J. Korean Phys. Soc. 46, 37-39 (2005).


2004
   
K. Waku, T. Katsufuji, Y. Kohsaka, T. Sasagawa, H. Takagi, H. Kishida,
H. Okamoto, M. Azuma, and M. Takano.
“Charge dynamics of Ca2-xNaxCuO2Clas a correlated electron system with the ideal tetragonal lattice”,

Phys. Rev. B, 70, 134501 (2004).



K. Taniguchi, T. Katsufuji, S. Iguchi, Y. Taguchi, H. Takagi, and Y. Tokura,
“Raman study of the metal-insulator transition in pyrochlore Mo oxides”,

Phys. Rev. B, 70, 100401 (2004).


K. Aoyama, K. Waku, A. Asanuma, Y. Uesu, and T. Katsufuji,
“Electric-pulse-induced reflectance change in the thin film of perovskite manganite”,

Appl. Phys. Lett. 85, 1208 (2004).


W. Kobayashi, I. Terasaki, M. Mikami, R. Funahashi, T. Nomura, and T. Katsufuji,
“Universal charge transport of the Mn oxides in the high temperature limit”,

J. Appl. Phys, 95, 6825 (2004).



T. Katsufuji, 
and H. Takagi,
“Magnetocapacitance and spin fluctuations in the geometrically frustrated magnets R2Ti2O (R = rare earth)”,

Phys. Rev. B 69, 064422 (2004).


2003
   
T. J. Sato, S. H. Lee, T. Katsufuji, M. Masaki, S. Park, J. R. D. Copley, and H. Takagi,

“Unconventional spin fluctuations in the hexagonal antiferromagnet YMnO3,

Phys. Rev. B 68, 014432 (2003).


Y. Oohara, R. Kajimoto, T. Kakeshita, H. Yoshizawa, T. Tanabe, T. Katsufuji, K. Ishizaka, Y. Taguchi, and Y. Tokura,
“Neutron scattering study of the charge and the magnetic ordering in La2-xSrxNiO4,

Physica B. 329, 725-726 (2003).



K. Matsuno, T. Katsufuji, S. Mori, M. Nohara, A. Machida, Y. Moritomo, K. Kato, E. Nishibori, M. Takata, M. Sakata, K. Kitazawa, and H. Takagi,
“Charge ordering and spin frustration in AlV2-xCrxO4”,

Phys. Rev. Lett. 90, 096404 (2003).



S. Mori, R. Shoji, N. Yamamoto, T. Asaka, Y. Matsui, A. Machida, Y. Moritomo, and T. Katsufuji,
“Microscopic phase separation and ferromagnetic microdomains in Cr-doped Nd0.5Ca0.5MnO3”,

Phys. Rev. B 67, 012403 (2003).



K. Yamamoto, K. Ishizaka, E. Saitoh, S. Shinomori, T. Tanabe, T. Katsufuji, and Y. Tokura,
Optical probe of charge-spin-lattice dynamics in half-doped La1.5Sr0.5NiO4,

Phys. Rev. B 67, 014414 (2003).


2002
   
R. Kajimoto, T. Kakeshita, H. Yoshizawa, T. Tanabe, T. Katsufuji, and Y. Tokura,
“Stripe order in highly doped La2-xSrxNiO4 ”,


Appl. Phys. A :Materials Science & Processing 74, 1765-1769 Part 2 Suppl. S (2002).


T. Katsufuji, M. Masaki, A. Machida, M. Moritomo, K. Kato, E. Nishibori, M. Takata, M. Sakata, K. Ohoyama, K. Kitazawa, and H. Takagi,
“Crystal structures and magnetic properties of hexagonal RMnO3 (R=Y, Lu, and Sc) and the effect of doping”,

Phys. Rev. B 66, 134434 (2002).


K. Taniguchi, T. Katsufuji, F. Sakai, H. Ueda, K. Kitazawa, and H. Takagi,
“Charge dynamics and the possibility of ferromagnetism in A1-xLaxB6 (A=Ca and Sr)”,

Phys. Rev. B 66, 064407 (2002).


S. Mori, R. Shoji, N. Yamamoto, A. Machida, Y. Moritomo and T. Katsufuji,
“Charge ordered state in the impurity-doped manganites”,

J. Phys. Soc. Jpn. 71, 1280 (2002).


T. Yoshida , A. Ino, T. Mizokawa, A. Fujimori , Y. Taguchi, T. Katsufuji,
and Y. Tokura
,
“Photoemission spectral weight transfer and mass renormalization in the Fermi-liquid system La1-xSrxTiO3+y/2”,

Europhys. Lett. 59, 258-264 (2002).


S. Mori, R. Shoji, N. Yamamoto, and T. Katsufuji,
“Impurity effect on the charge ordered state in manganites - in case of Sc doped manganite” ,

J. Phys. Chem. Solids 63, 929-933(2002).


S. Spalter, H. Y. Hwang, J. Zimmermann, G. Lenz, T. Katsufuji, S-W. Cheong, and R. E. Slusher,
“Strong self-phase modulation in planar chalcogenide glass waveguides”,

Optics Letters 27, 363-365 (2002).



A. Machida, Y. Moritomo, K. Ohoyama, T. Katsufuji, and A. Nakamura,
“Phase separation and ferromagnetic transition in B-site substituted Nd1/2Ca1/2MnO3” ,

Phys. Rev. B 65064435 (2002).


before 2001
   
M. G. Hildebrand, M. Reedyk, T. Katsufuji, and Y. Tokura,
“Far-infrared resonance in Sr2RuO4”,

Phys. Rev. Lett. 87, 227002 (2001).


R. Kajimoto, T. Kakeshita, H. Yoshizawa, T. Tanabe, T. Katsufuji, and Y. Tokura,
“Hole concentration dependence of the ordering process of the stripe order in La2-xSrxNiO4”,

Phys. Rev. B 64, 144432 (2001)


T. Katsufuji
,
and H. Takagi,
“Coupling between magnetism and dielectric properties in quantum paraelectric EuTiO3”,

Phys. Rev. B 64, 054415 (2001).


T. Katsufuji, S. Mori, M. Masaki, Y. Moritomo, N. Yamamoto, and H. Takagi,
“Dielectric and magnetic anomalies and spin frustration in hexagonal RMnO3 (R=Y, Yb, and Lu)”,

Phys. Rev. B 64, 104419 (2001).


K. Matsuno, T. Katsufuji, S. Mori, Y. Moritomo, A. Machida, E. Nishibori, M. Takata, M. Sakata, N. Yamamoto, and H. Takagi,
“Charge ordering in the geometrically frustrated spinel AlV2O4”,

J. Phys. Soc. Jpn. 70, 1456-1459 (2001).


A. Fujimori, T. Yoshida, K. Okazaki, T. Tsujioka, K. Kobayashi, T. Mizokawa, M. Onoda, T. Katsufuji, Y. Taguchi, and Y. Tokura,
“Electronic structure of Mott-Hubbard-type transition-metal oxides”,

J. Electron Spectroscopy and Related Phenomena 117, 277-286 (2001).


Y. Moritomo, Sh. Xu, A. Machida, T. Katsufuji, E. Nishibori, M. Takata, M. Sakata, and S-W. Cheong,
“Chemical pressure control of exchange interaction in Mo pyrochlore”,

Phys. Rev. B 63, 144425(2001).


V. Kiryukhin, B. G. Kim, T. Katsufuji, J. P. Hill, and S-W. Cheong,
“Nanoscale anisotropic structural correlations in the paramagnetic and ferromagnetic phases of Nd0.5Sr0.5MnO3”,

Phys. Rev. B 63, 144406 (2001).


R. Shoji, S. Mori, N. Yamamoto, A. Machida, Y. Moritomo, and T. Katsufuji,
“Phase separation and destabilization of the charge-ordered state in Cr-doped manganites”,

J. Phys. Soc. Jpn. 70, 267-271 (2001).


S. B. Wilkins, P. D. Hatton, K. D. Liss, M. Ohler, T. Katsufuji, and S-W. Cheong,
“High-resolution high energy X-ray diffraction studies of charge ordering CMR manganites and nickelates

Int. J. Mod. Phys. B 14, 3753-3758 (2000).


T. Ishikawa, K. Tobe, T. Kimura, T. Katsufuji, and Y. Tokura,
“HOptical study on the doping and temperature dependence of the anisotropic electronic structure in bilayered manganites: La2-2xSr1+2xMn2O7 (0.3<~x < ~0.5)”,

Phys. Rev. B 62, 12354-12362 (2000).

T. Katsufuji and Y. Tokura,
“Coexistence of two components in the optical spectra of CeTiO3.04 in the antiferromagnetic metallic phase”,

Phys. Rev. B 62, 10797-10801 (2000).


M.Satake, T.Mizokawa, A.Fujimori, T.Tanabe, T.Katsufuji, and Y.Tokura,
“Charge ordering and chemical potential shift in La2-xSrxNiO4 studied by photoemission spectroscopy

Phys. Rev. B 61, 15515-15518 (2000).


K. Yamamoto, T. Kimura, T. Ishikawa, T. Katsufuji, and Y. Tokura,
“Raman spectroscopy of the charge/orbital ordering in layered manganites”,

Phys. Rev. B 61, 14706-14715 (2000).


H. Yoshizawa, T. Kakeshita, R. Kajimoto, T. Tanebe, T. Katsufuji, and Y. Tokura,
“Stripe order of low temperatures in La2-xSrxNiO4 for 0.289≦x≦0.5”,

Phys. Rev. B 61, R854-R857 (2000).


T. Katsufuji, 
H. Y. Hwang, and S-W. Cheong,
“Anomalous magnetotransport properties of R2Mo2O7 near the magnetic phase boundary”,

Phys. Rev. Lett. 84, 1998-2001 (2000).


G. Lenz, J. Zimmermann, T. Katsufuji, M. E. Lines, H. Y. Hwang, S. Spälter, R. E. Slusher, S-W. Cheong , J. S. Sanghera, and I. D. Aggarwal,
“Large Kerr effect in bulk Se-based chalcogenide glasses”,

Optics Letters 25, 254-256 (2000).


T. Katsufuji, 
and Y. Tokura,
“Transport and magnetic properties of a ferromagnetic metal: Eu1-xRxTiO3”,

Phys. Rev. B 60, R15021-R15023 (1999).


N. Fukumoto, S. Mori, N. Yamamoto, Y. Moritomo, T. Katsufuji, C. H. Chen, and S-W. Cheong,
“Microscopic electronic phase separation and metal-insulator transition in Nd0.5Sr0.5MnO3”,

Phys. Rev. B 60, R12963-12967 (1999).



T. Katsufuji 
and Y. Tokura,
“Frequency and temperature dependence of conductivity for perovskite titanates”,

Phys. Rev. B 60, 7673-7676 (1999).


E. Saitoh, Y. Okimoto, Y. Tomioka, T. Katsufuji, and Y. Tokura,
“Coherent-incoherent crossover of charge dynamics in the ferromagnetic ground state of manganites: R0.6Sr0.4MnO3 (R=La-Sm)”,”,

Phys. Rev. B 60, 10362-10366 (1999).


T. Katsufuji, T. Tanabe, T. Ishikawa, S. Yamanouchi, Y. Tokura, T. Kakeshita, R. Kajimoto, and H. Yoshizawa,
“Commensurability effect on the charge ordering of La2-xSrxNiO4”,

Phys. Rev. B 60, R5097-R5100 (1999).


K. Yamamoto, T. Kimura, T. Ishikawa, T. Katsufuji, and Y. Tokura,
“Probing charge/orbital correlation in La1.2Sr1.8Mn2O7 by Raman spectroscopy”,

J. of Phys. Soc. Jpn 68, 2538-2541 (1999).


S. Mori, T. Katsufuji, C. H. Chen, and S-W. Cheong,
“Microstructure related to charge and orbital ordering in Pr0.5Ca0.5MnO3”,

Phys. Rev. B 59, 13573-13576 (1999).


T. Katsufuji, 
S-W. Cheong, S. Mori, and C. H. Chen,
“Impurity effects on the electronic/magnetic ground states of perovskite manganites”,

J. Phys. Soc. Jpn. 68, 1090-1093 (1999).


T. Ishikawa, S. K. Park, T. Katsufuji, T. Arima, and Y. Tokura,
“Optical spectroscopy of charge-ordering transition in La1/3Sr2/3FeO3

Phys. Rev. B 58, R13326-R13329 (1998)


A. Fujimori, A. Ino, T. Mizokawa, T. Tsujioka, T. Yoshida, M. Satake, K. Okazaki, H.Eisaki, S. Uchida, T. Kishio, Y. Taguchi, T. Katsufuji, Y. Tokura, Y. Yasui, T. Nishikawa, and M. Sato,
“Chemical potential shifts in correlated electron systems studied by photoemission spectroscopy”,

J. Electron Spectroscopy and Related Phenomena 92, 59-63 (1998)



H. Yoshizawa, T. Kakeshita, R. Kajimoto, T. Tanabe, T. Katsufuji, and Y. Tokura,
“Spin and charge ordering in La2-xSrxNiO4 with 0.27≤x≤0.5”,

Physica B 241, 880-882 (1998).


T. Ishikawa, T. Kimura, T. Katsufuji, and Y. Tokura
“Optical probe of anisotropic and incoherent charge dynamics in a layered ferromagnet: La1.2Sr1.8Mn2O7”,

Phys. Rev. B 57, R8079-R8082 (1998).


K. Yamamoto, T. Katsufuji, T. Tanabe, and Y. Tokura,
“Raman scattering of the charge-spin stripes in La1.67Sr0.33NiO4”,

Phys. Rev. Lett. 80, 1493-1496 (1998).


T. Katsufuji, 
Y. Taguchi, and Y. Tokura,
“Transport and magnetic properties of a Mott-Hubbard system whose bandwidth and band-filling are both controllable: R1-xCaxTiO3+y/2”,

Phys. Rev. B 56, 10145-10153 (1997).


T. Katsufuji, 
T. Tanabe, T. Ishikawa, Y. Fukuda, T. Arima, and Y. Tokura,
“Optical spectroscopy of the charge-ordering transition in La1.67Sr0.33NiO4”,

Phys. Rev. B 54, R14230-R14233 (1997).


Y. Okimoto, T. Katsufuji, T. Ishikawa, T. Arima, and Y. Tokura,
“Variation of electronic structure in La1-xSrxMnO3 (0<x<0.3) as investigated by optical conductivity spectra”,

Phys. Rev. B 55, 4206-4214 (1997).


T. Katsufuji, 
M. Kasai, and Y. Tokura,
“In-plane and out-of-plane optical spectra of Sr2RuO4”,

Phys. Rev. Lett. 76, 126-129 (1996).


T. Katsufuji, 
Y. Okimoto, and Y. Tokura,
“Spectral weight transfer of the optical conductivity in doped Mott insulators”,

Phys. Rev. Lett. 75, 3497-3500 (1995).


F. Inaba, T. Arima, T. Ishikawa, T. Katsufuji, and Y. Tokura,
“Change of electronic properties on the doping-induced insulator-metal transition in La1-xSrxVO3”,

Phys. Rev. B 52, R2221-R2224 (1995).


Y. Okimoto, T. Katsufuji, T. Ishikawa, A. Urushibara, T. Arima, and Y. Tokura,
“Anomalous variation of optical spectra with spin polarization in double-exchange ferromagnet: La1-xSrxMnO3”,

Phys. Rev. Lett. 75, 109-112 (1995).

Y. Okimoto, T. Katsufuji, Y. Okada, T. Arima, and Y. Tokura,
“Optical spectra in (La,Y)TiO3: Variation of Mott-Hubbard gap features with change of electron correlation and band filling”,

Phys. Rev. B 51, 9581-9588 (1995).


T. Katsufuji
, 
Y. Okimoto, T. Arima, Y. Tokura, and J. B. Torrance,
“Optical spectroscopy of the metal-insulator transition in NdNiO3”,

Phys. Rev. B 51, 4830-4835 (1995).


T. Katsufuji
and Y. Tokura,
“Electronic Raman scattering spectra in strongly correlated metals: cuprate superconductors and titanium oxide”,

Physica C 50, 235-240, 1147-1148 (1994).


T. Katsufuji,
 and Y. Tokura,
“Anomalous variation of phonon Raman intensities near the metal-to-Mott-insulator transition in titanium oxide system”,

Phys. Rev. B 50, 2704-2707 (1994).


T. Katsufuji, 
and Y. Tokura,
“Electronic Raman scattering in filling-controlled metals: Sr1-xLaxTiO3”,

Phys. Rev. B 49, 4372-4375 (1994).


T. Katsufuji, 
Y. Tokura, T. Ido, and S. Uchida,
“Symmetry-dependent electronic Raman scattering in La2-xSrxCuO4: Evidence for doping-induced change in k-space anisotropy of charge dynamics”,

Phys. Rev. B 48, 16131-16134 (1993).


Y. Tokura, Y. Taguchi, Y. Okada, T. Katsufuji, T. Arima, and K. Kumagai,
“Change of electronic structures with hole doping in strongly correlated electron systems: titanium oxides”,

Physica B 186-188, 992-994 (1993).


Y. Moritomo, T. Katsufuji, and Y. Tokura,
“Dielectric phase transition and symmetry change of constituent molecules in proton-deuteron mixed crystals of squaric acid”,

J. Chem. Phys. 95, 2244-2251 (1991).


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