[1] "Synthesis, Structure, and Electromagnetic Properties of Manganese Hollandite, KxMn8O16.",
T. Kuwabara, M. Isobe, H. Gotou, T. Yagi, D. Nishio-Hamane, and Y. Ueda, J. Phys. Soc. Jpn. 81 (2012) 104701.
[2] "Physical properties of La1-xPbxMnO3 perovskites with 0.24 < x < 0.40.",
E. Burzo, I. Balasz, M. Isobe, and Y. Ueda, J. Alloys Compd. 535 (2012) 129-137.
[3] "Ę+SR study on ferromagnetic hollandite K2Cr8O16 and Rb2Cr8O16.",
J. Sugiyama, H. Nozaki, M. Mansson, K. Prsa, D. Andreica, A. Amato, M. Isobe, and Y. Ueda, Phys. Rev. B 85 (2012) 214407.
[4] "Observation of Structural Change in the Novel Ferromagnetic Metal-Insulator Transition of K2Cr8O16.",
A. Nakao, Y. Yamaki, H. Nakao, Y. Murakami, K. Hasagawa, M. Isobe, and Y. Ueda, J. Phys. Soc. Jpn. 81 (2012) 054710.
[5] "Antiferromagnetism in the spin-gap system NaV2O5: Muon spin rotation measurements.",
V. G. Storchak, O. E. Parfenov, D. G. Eshchenko, R. L. Lichti, P. W. Mengyan, M. Isobe, and Y. Ueda, Phys. Rev. B 85 (2012) 094406.
[6] "ĘSR Investigation of the Hollandite Vanadate K2V8O16.",
K. H. Chow, M. Manssonb, Y. Ikedo, J. Sugiyama, O. Ofer, E. J. Ansaldo, J. H. Brewer, M. Isobe, H. Gotou, T. Yagi, Y. Ueda, and C. Bainesh, Physics Procedia 30 ( 2012 ) 117-120.
[7] "Ferromagnetic hollandite K2Cr8O16.",
J. Sugiyamaa, H. Nozakia, M. Manssonb, K. Prsa, A. Amato, M. Isobe,and Y. Ueda, Physics Procedia 30 ( 2012 ) 186-189.
[1] "Peierls Mechanism of the Metal-Insulator Transition in Ferromagnetic Hollandite K2Cr8O16.",
T. Toriyama, A. Nakao, Y. Yamaki, H. Nakao, Y. Murakami, K. Hasegawa, M. Isobe, Y. Ueda, A.V. Ushakov, D. I. Khomskii, S.V. Streltsov, T. Konishi and Y. Ohta, Phys. Rev. Lett. 107 (2011) 266402.
[2] "Magnetic order, transport and infrared optical properties in the ACrO3 system (A = Ca, Sr, and Pb).",
A. C. Komarek, T. MNoller, M. Isobe, Y. Drees, H. Ulbrich, M. Azuma, M. T. Fernandez-Diaz, A. Senyshyn, M. Hoelzel, G. AndrLe, Y. Ueda, M. GrNuninger, and M. Braden, Phys. Rev. B 84 (2011) 125114.
[3] "Electromagnetic properties of hollandite K2V8O16 under pressure.",
T. Yamauchi, H. Ueda, M. Isobe, and Y. Ueda, Phys. Rev. B 84 (2011) 115104.
[4] "Dimerization and Charge Order in Hollandite K2V8O16.",
A. C. Komarek, M. Isobe, J. Hemberger, D. Meier, T. Lorenz, D. Trots, A. Cervellino, M. T. Fernandez-Diaz, Y. Ueda and M. Braden, Phys. Rev. Lett. 107 (2011) 027201.
[5] "Pressure-induced changes in the magnetic and valence state of EuFe2As2.",
K. Matsubayashi, K. Munakata, M. Isobe, N. Katayama, K. Ohgushi, Y. Ueda, N. Kawamura, M. Mizumaki, N. Ishimatsu, M. Hedo, I. Umehara and Y. Uwatoko, Phys. Rev. B 84 (2011) 024502.
[6] "Electronic structure of an antiferromagnetic metal: CaCrO3.",
P. A. Bhobe, A. Chainani, M. Taguchi, R. Eguchi, M. Matsunami, T. Ohtsuki, K. Ishizaka, M. Okawa, M. Oura, Y. Senba, H. Ohashi, M. Isobe, Y. Ueda and S. Shin, Phys. Rev. B 83 (2011) 165132.
[7] "Metal-insulator transition in the hollandite K2V8O16 with a frustrated zigzag ladder probed by 51V NMR.",
Y. Shimizu, K. Okai, M. Itoh, M. Isobe, J-I. Yamaura, T. Yamauchi, and Y. Ueda, Phys. Rev. B 83 (2011) 155111.
[8] "Interplay between Mott physics and Peierls physics in hollandite-type vanadates with a metal-insulator transition.",
Y. Ishige, T. Sudayama, Y. Wakisaka, T. Mizokawa, H. Wadati, G. A. Sawatzky, T. Z. Regier, M. Isobe and Y. Ueda, Phys. Rev. B 83 (2011) 125112.
[1] "Correlation between Luminescence Quantum Efficiency and Structural Properties of Vanadate Phosphors with Chained, Dimerized, and Isolated VO4 Tetrahedra.",
T. Nakajima, M. Isobe, T. Tsuchiya, Y. Ueda and T. Manabe,
J. Phys. Chem. C 114 (2010) 5160-5167.
[2] "Spin-gap mode in the charge-ordered phase of NaV2O5 studied by Raman scattering under high pressures.",
Y. Tanokura, T. Morita, S. Ishima, S. Ikeda, H. Kuroe, T. Sekine, M. Isobe and Y. Ueda,
Phys. Rev. B 81 (2010) 054407-1-11.
[3] "Interplay between low dimensionality and magnetic frustration in the magnetoelectric pyroxenes LiCrX2O6 (X=Ge, Si)",
G. Nenert, M. Isobe, I. Kim, C. Ritter, C.V. Colin, A.N. Vasiliev, K.H. Kim and Y. Ueda,
Phys. Rev. B 82 (2010) 024429.
[4] "Synthesis and Thermal Stability of the Solid Solution AFeO2 (A = Ba, Sr, Ca)",
T. Yamamoto, Z.F. Li, C. Tassel, N. Hayashi, M. Takano, M. Isobe, Y. Ueda, K. Ohoyama, K. Yoshimura, Y. Kobayashi and H. Kageyama,
Inorg. Chem. 49 (2010) 5957-5962.
[5] "Crystal structures of Cr-based magnetic pyroxenes",
Y. Matsushita, F. Izumi, M. Isobe and Y. Ueda,
Solid State Sci. 12 (2010) 676-679.
[6] "Magnetic phase of the perovskite CaCrO3 studied with mu+SR",
O. Ofer, J. Sugiyama, M. Mansson, K.H. Chow, E.J. Ansaldo, J.H. Brewer, M. Isobe and Y. Ueda,
Phys. Rev. B 81 (2010) 184405.
[7] "Magnetic and magnetoelectric study of the pyroxene NaCrSi2O6",
G. Nenert, I. Kim, M. Isobe, C. Ritter, A.N. Vasiliev, K.H. Kim and Y. Ueda,
Phys. Rev. B 81 (2010) 184408.
[8] "Condensation of a tetrahedra rigid-body libration mode in HoBaCo4O7: the origin of phase transition at 355 K",
A.I. Rykov, Y. Ueda, M. Isobe, N. Nakayama, Y.T. Pavlyukhin, S.A. Petrov, A.N. Shmakov, V.N. Kriventsov and A.N. Vasiliev,
New J. Phys. 12 (2010) 043035.
[1] "Magnetic and crystal structures of the magnetoelectric pyroxene LiCrSi2O6.",
G. Nenert, M. Isobe, C. Ritter, O. Isnard, A. N. Vasiliev and Y. Ueda,
Phys. Rev. B 79 (2009) 064416-1-8.
[2] "Magnetic and crystal structures of the one-dimensional ferromagnetic chain pyroxene NaCrGe2O6.",
G. Nenert, C. Ritter, M. Isobe, O. Isnard, A. N. Vasiliev and Y. Ueda,
Phys. Rev. B 80 (2009) 024402-1-7.
[3] "Crystal growth and anisotropic magnetic properties of V3O7.",
C. Li, M. Isobe, H. Ueda, Y.@Matsushita, Y. Ueda,
J. Solid. State. Chem.182 (2009) 3222-3225.
[4] "Substitution Effect on Metal-Insulator Transition of K2V8O16.",
M. Isobe, S. Koishi, S. Yamazaki, J-I. Yamaura, H. Gotou, T. Yagi, and Y. Ueda,
J. Phys. Soc. Jpn. 78 (2009) 114713-1-6.
[5] "Discovery of Ferromagnetic-Half-Metal-to-Insulator Transition in K2Cr8O16.",
K. Hasegawa, M. Isobe, T. Yamauchi, H. Ueda, J-I. Yamaura, H. Gotou, T. Yagi, H. Sato, and Y. Ueda,
Phys. Rev. Lett. 103 (2009) 146403-1-4
[6]"A revisit of photoluminescence property for vanadate oxides AVO3 (A: K, Rb and Cs) and M3V2O8 (M: Mg and Zn).",
T. Nakajima, M. Isobe, T. Tsuchiya, Y. Ueda and T. Kumagai,
J. Lumin. 129 (2009) 1598-1601.
[1] "CaCrO3: An Anomalous Antiferromagnetic Metallic Oxide.",
A. C. Komarek, S. V. Streltsov, M. Isobe, T. Moller, M. Hoelzel, A. Senyshyn, D. Trots, M. T. Fernandez-Diaz, T. Hansen, H. Gotou, T. Yagi, Y. Ueda, V. I. Anisimov, M. Grueninger, D. I. Khomskii, M. Braden,
Jpn. J. Appl. Phys. 47 (2008) 7866-7870.
[2] "Colossal Magnetoresistance of A-Site Ordered (NdBaSm)2Mn2O6 at Ambient Temperature.",
S. C. Bhargava, M. Isobe and Y. Ueda,
Phys. Rev. Lett. 101 (2008) 167204-1-4.
[3] "Infrared reflectivity spectra of η-Na1.32O5 in the charge disordered and ordered phase.",
Z. V. Popovic, D. M. Dokic, Z. Dohcevic-Mitrovic, M. Isobe and Y. Ueda,
Eur. Phys. J. B 65 (2008) 1-4.
[4] "Direct fabrication of metavanadate phosphor films on organic substrates for white-light-emitting devices.",
T. Nakajima, M. Isobe, T. Tsuchiya, Y. Ueda and T. Kumagai,
Nat. Mater. 7 (2008) 735-740.
[5] "Rb-substitution effect on the metal-insulator transition of hollandite vanadate, K2V8O16.",
M. Isobe, S. Koishi and Y. Ueda,
J. Phys: Conf. Ser. 121 (2008) 032007-1-4.
[1] "Muon-spin relaxation measurements on the dimerized spin-1/2 chains NaTiSi2O6 and TiOCl.",
P. J. Baker, S. J. Blundell, F. L. Pratt, T. Lancaster, M. L. Brooks, W. Hayes, M. Isobe, Y. Ueda and M. Hoinkis,
Phys. Rev. B 75 (2007) 094404-1-5.
[2] "Thermal and non-thermal photoinduced phenomena in α'-NaV2O5.",
T. Suemoto, H. Nagase, M. Nakajima, M. Isobe and Y. Ueda,
J. Phys:Condens Matter, 19 (2007) 076207-1-11.
[3] "Raman study of β-Sr0.33V2O5 micro-crystals under high pressure.",
A. G. Kontos, D. Lampakis, Z. V. Popovic, Y. S. Raptis, E. Liarokapis, M. Isobe and Y. Ueda,
Phys Stat Sol (b) 244 (2007) 362-367.
[4] "Raman scattering from spin-gap mode in NaV2O5 under high pressures.",
Y. Tanokura, T. Morita, S. Ishima, S. Ikeda, H. Kuroe, T. Sekine, M. Isobe and Y. Ueda,
J. Magn. Magn. Mater., 310 (2007) 1200-1202.
[5] "NMR study of the spin gap in the vanadium bronze η-Na1.286V2O5.",
T. Hayashi, T. Nakamura, T. Kozuka, M. Itoh, M. Isobe, J. Yamaura and Y. Ueda,
J. Magn. Magn. Mater., 310 (2007) 1224-1226.
[6] "Ti-doping effect on the MI transition of hollandite vanadate, K2V8O16.",
M. Isobe, S. Koishi and Y. Ueda,
J. Magn. Magn. Mater., 310 (2007) 888-889.
[7] "Structural relations between two ground states of NaV2O5 under high pressure: A synchrotron x-ray diffraction.",
K. Ohwada, Y. Fujii, J. Muraoka, H. Nakao, Y. Murakami, Y. Noda, H. Ohsumi, N. Ikeda, T. Shobu, M. Isobe and Y. Ueda,
Phys. Rev. B 76 (2007) 094113-1-10.
[8] "Raman scattering study of η-Na1.3V2O5 in the charge disordered and ordered phases.",
Z. V. Popovic, V. V. Moshchalkov, M. Isobe and Y. Ueda,
Solid State Commun. 142 (2007) 385-388.
[1] "Electronic structure of AV2O4 (A=Li, Zn, and Cd) studied by X-ray photoemission spectroscopy.",
K. Takubo, J. Y. Son, T. Mizokawa, H. Ueda, M. Isobe, Y. Matsushita, and Y. Ueda,
Phys Rev B 74 (2006) 155103-1-5.
[2] "Observation of metal-insulator transition in hollandite vanadate, K2V8O16.",
M. Isobe, S. Koishi, N. Kouno, J. Yamaura, T. Yamauchi, H. Ueda, H. Gotou, T. Yagi, and Y. Ueda,
J. Phys. Soc. Jpn 75 (2006) 073801-1-4.
[3] "Raman scattering study of β-Sr0.33V2O5 in charge disordered and ordered phase.",
Z. V. Popovic, A. G. Kontos, Y. S. Raptis, M. Isobe and Y. Ueda,
J. Phys:Condens Matter, 18 (2006) 7779-7787.
[4] "Orbital and lattice dynamics in pyroxenes.",
Z.V. Popovic, M.J. Konstantinovic, Z. Dohcevic-Mitrovic, M. Isobe and Y. Ueda,
Physica B, 378-80 (2006) 1072-1074.
[5] "Photo-induced phenomena in NaV2O5 studied by time-resolved Raman spectroscopy.",
M. Nakajima, K. Kazumi, M. Isobe, Y. Ueda and T. Suemoto,
J. Luminescence 119 (2006) 448-452.
[6] "Discovery of the "devil's flower" in a charge-ordering system - Synchrotron X-ray diffraction study of NaV2O5.",
K. Ohwada,Y. Fujii, J. Muraoka, H. Nakao, Y. Murakami, Y. Noda, H. Ohsumi, N. Ikeda, T. Shobu, M. Isobe and Y. Ueda,
Mod. Phys. Lett. B 20 (2006) 199-214.
[7] "Specific heat and magnetic susceptibility of spinel compounds CdV2O4, ZnV2O4 and MgTi2O4.",
A. N. Vasiliev, M. M. Markina, M. Isobe and Y. Ueda,
J. Magn. Magn. Mater., 300 (2006) e375-e377.
[1] "Group theoretical treatment of the low-temperature phase transition of the Cd6Ca 1/1-cubic approximant.",
R. Tamura, K. Edagawa, K. Shibata, K. Nishimoto, S. Takeuchi, K. Saitoh, M. Isobe and Y. Ueda,
Phys Rev B 72 (2005) 174211.
[2] "X-ray photoelectron spectroscopy study of mixed-valence effects and charge fluctuation in NaxV2O5.",
M. J. Konstantinovic, S. Van den Berghe, M. Isobe and Y. Ueda,
Phys Rev B 72 (2005) 125124.
[3] "Long-range magnetic order in quasi-one-dimensional chromium-based, S=3/2 pyroxenes, (Li,Na)Cr (Si,Ge)Si2O6.",
A. N. Vasiliev, O. L. Ignatchik, A. N. Sokolov, Z. Hiroi, M. Isobe and Y. Ueda,
Phys Rev B 72 (2005) 012412.
[4] "Charge order and superconductivity in vanadium oxides.",
T. Yamauchi, M. Isobe and Y. Ueda,
Solid State Science, 7 (2005) 874-881.
[5] "Optical phonons in the NaTiSi2O6 oxide with S=1/2 spin chains.",
Z. V. Popovic, M. J. Konstantinovic, V. N. Popov, A. Cantarero, Z. Dohcevic-Mitrovic, M. Isobe and Y. Ueda,
Phys Rev B 71 (2005) 224302.
[6] "Universal low-temperature phase transition in Zn- and Cd-based crystalline approximants.",
R. Tamura, K. Nishimoto, S. Takeuchi, K. Edagawa, M. Isobe and Y. Ueda,
Phys Rev B 71 (2005) 092203.
[7] "Neutron diffraction study on the antiferromagnetic insulating ground state of β-Na0.33V2O5.",
S. Nagai, M. Nishi, K. Kakurai, Y. Oohara, H. Yoshizawa, H. Kimura, Y. Noda, B. Grenier, T. Yamauchi, J. Yamaura, M. Isobe, Y. Ueda and K. Hirota,
J. Phys. Soc. Jpn 74 (2005) 1297-1308.
[8] "Photo-induced phase transition in the 2D spin ladder compound NaV2O5.",
M. Alba, M. Nakajima, M. Isobe, Y. Ueda and T. Suemoto,
J. Luminescence, 112 (2005) 246-249.
[9] "Charge-order pattern of the low-temperature phase from a monoclinic single domain of NaV2O5 uniquely determined by resonant X-ray scattering.",
K. Ohwada, Y. Fujii, Y. Katsuki, J. Muraoka, H. Nakao, Y. Murakami, H. Sawa, E. Ninomiya, M. Isobe, and Y. Ueda,
Phys Rev Lett 94 (2005) 106401.
[1] "Synthesis, structure and physical properties of spinel solid solutions Mg2TiO4-MgTi2O4",
M. Isobe and Y. Ueda,
J Alloys Compds 383 (2004) 85-88.
[2] "Long range Neel order in the quasi-one-dimensional vanadium-based (S=1) pyroxenes (Li,Na)V(Si,Ge)2O6",
A. N. Vasiliev, O. L. Ignatchik, M. Isobe and Y. Ueda,
Phys Rev B 70 (2004) 132415.
[3] "Magnetic properties of quasi-one-dimensional magnets AM3+Si2O6 (A = Li, Na; M = Ti, V, Cr)",
M. Isobe and Y. Ueda,
J Magn Magn Mater 272-76 (2004) 948-949.
[4] "Orbital and spin chains in ZnV2O4 ",
S. H. Lee, D. Louca, H. Ueda, S. Park, T. J. Sato, M. Isobe, Y. Ueda, S. Rosenkranz, P. Zschack, J. Iniguez, Y. Qiu and R. Osborn,
Phys Rev Lett 93 (2004) 156407-1-4.
[5] "Order-disorder transition in cubic Cd6Yb and Cd6Ca.",
R. Tamura, K. Edagawa, Y. Murao, S. Takeuchi, K. Suzuki, M. Ichihara, M. Isobe and Y. Ueda,
J Non-Cryst Solids 334 (2004) 173-176.
[6] "Crystal growth and electromagnetic properties of beta-vanadium bronzes, β-A0.33V2O5 (A = Ca, Sr and Pb).",
T. Yamauchi, M. Isobe and Y. Ueda,
J Magn Magn Mater 272-76 (2004) 442-443.
[7] "X-ray characterization for the charge ordering on β(β')-vanadium oxide bronzes.",
J. Yamaura, T. Yamauchi, E. Ninomiya, H. Sawa, M. Isobe, H. Yamada and Y. Ueda,
J Magn Magn Mater 272-76 (2004) 438-439.
[8] "Observation of structural change with possible charge disproportionation in copper vanadium oxide bronze β'-Cu0.65V2O5.",
J. I. Yamaura, T. Yamauchi, M. Isobe, H. Yamada and Y. Ueda,
J Phys Soc Jpn 73 (2004) 914-920.
[9] "Orbital dimerization in NaTiSi2O6 :An orbital analogue of the spin-Peierls phase transition.",
M. J. Konstantinovic, J. van den Brink, Z. V. Popovic, V. V. Moshchalkov, M. Isobe and Y. Ueda,
Phys. Rev. B 69 (2004) 020409(R).
[1] "Phonon properties of the spinel oxide MgTi2O4 with the S=1/2 pyrochlore lattice.",
Z. V. Popovic, G. De Marzi, M. J. Konstantinovic, A. Cantarero, Z. Dohcevic-Mitrovic, M. Isobe and Y. Ueda,
Phys. Rev. B 68 (2003) 224302.
[2] "Long-range Magnetic Order in Quasi-One-Dimensional NaCrSi2O6 and NaCrGe2O6 Metal Oxides.",
A. N. Vasilfev, O. L. Ignatchik, A. N. Sokolov, Z. Hiroi , M. Isobe and Y. Ueda,
JETP Letters 78 (2003) 551.
[3] "Raman scattering study of charge ordering in β-Ca0.33V2O5.",
Z. V. Popovic, M. I. Konstantinovic, V. V. Moshchalkov, M. Isobe and Y. Ueda,
J. Phys. :Condens. Matter 15 (2003) L139.
[4] "Magnetic excitation in high-temperature phase of αf-NaV2O5.",
T. Ohama, M. Isobe and Y. Ueda,
Physica B 329 (2003) 934.
[5] "Observation of lattice dimerization in spin-singlet low temperature phase of NaTi2O6.",
E. Ninomiya, M. Isobe, Y. Ueda, M. Nishi, K. Ohoyama, H. Sawa and T. Ohama
Physica B 329 (2003) 884.
[6] "Low-temperature zigzag charge-order structure of αf-NaV2O5.",
H. Sawa, Y. Wakabayashi, E. Ninomiya, T. Ohama, H. Nakao, Y. Murakami, Y. Ohwada, Y. Fujii, Y. Noda, M. Isobe, and Y. Ueda
Physica B 329 (2003) 878.
[7] "μSR studies of two-dimensional antiferromagnets CaV3O7 and SrV3O7."Y. Fudamoto, I. M Gat, M. I Larkin, J. Merrin, B. Nachumi, A. T Savici, Y. J Uemura, G. M Luke, K. M Kojima, M. Isobe, Y. Ueda, S. Taniguchi, M. Sato
Physica B 329 (2003) 717.