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(54) Y. Obukuro, S. Matsushima, K. Obata, T. Suzuki, M. Arai, E. Asato,

Y. Okuyama, N. Matsunaga, G. Sakai,

Effects of La doping on structural, optical, electronic properties of Sr2Bi2O5 photocatalyst

J. Alloys. Compd., 658, 139-146 (2016).

(53) Y. Obukuro, K. Ninomiya, S. Matsushima, H. Nakamura, K. Obata, G. Sakai,

M. Arai, K. Kobayashi, Electronic structure of photoresponsive Ag6M2O7 (M = Si, Ge)

J. Ceram. Soc. Japan, 124, 116-121 (2016).

(52) Formation of CaFe2O4 porous structure by addition of Zr in malic acid complex,

Y. Obukuro, K. Obata, R. Maeda, S. Matsushima, Y. Okuyama, N. Matsunaga, G. Sakai,

J. Ceram. Soc. Japan, 123, 995-998 (2015).

(51) Molecular orbital calculations of Eu-doped SrAl2O4 clusters

Solid State Communications, vol.206, pp.42-45 (2015).

Y. Obukuro, S. Matsushima, H. Yamada, C.N. Xu, S. Watanabe, K. Ogasawara, M. Mizuno

(50) Preparation and Characterization of heterobimetallic complex, Sr[Bi(DTPA)]9H2O,

derived La-doped Sr2Bi2O5, Chem. Lett., 44. 890-892 (2015). 

Y. Obukuro, G. Sakai, Y. Okuyama, N. Matsunaga, S. Matsushima, K. Obata, E. Asato

(49) Preparation of magnesium ferrite by a malic acid complex

J. Ceram. Soc. Jpn, vol.122, pp.645-648 (2014).

A. Doi, S. Matsushima, K. Obata, R. Maeda, A. Kajima, K. Kobayashi

(48) Characterization of Ti-doped CaFe2O4 prepared from a malic acid complex

J. Ceram. Soc. Jpn, vol.122, pp.175-178 (2014).

A. Doi, M. Nomura, Y. Obukuro, R. Maeda, K. Obata, S. Matsushima, K. Kobayashi

(47) Electronic structure of Eu2+-doped SrAl2O4 using modified Becke–Johnson

exchange potential, Solid State Communications, vol.186, pp.46-49 (2014).

Y. Obukuro, S. Matsushima, H. Nakamura, M. Arai, H. Yamada, C.-N. Xue

(46) Improved calculation of band gap of Sr2Bi2O5 crystal using modified

Becke–Johnson exchange potential, J. Phys. Chem. Solids, vol.75, pp.427–432 (2014).

Y. Obukuro, S. Matsushima, K. Obata, M. Arai, K. Kobayashi

(45) Electronic structure of CaFe2O4 with antiferromagnetic spin ordering

J. Ceram. Soc. Jpn, vol.121, pp.766-769 (2013).

K. Obata,Y. Obukuro, S. Matsushima, H. Nakamura, M. Arai, K. Kobayashi

(44) Preparation and Characterization of CaO-Bi2O3 Complex Oxide

Int. J. Nanotechnology, vol.10, pp.100-107 (2013).

H. Nakamura, T. Uehara, Y. Obukuro, K. Obata, S. Matsushima, M. Arai, K. Kobayashi

(43) p-type ZnO Films Prepared by Alternate Deposition of ZnO and Mg3N2

Journal of Physics and Chemistry of Solids, vol.74, pp.80-85 (2013).

K. Kobayashi, T. Koyama, X. Zhang, Y. Kohono, Y. Tomita, Y. Maeda, S. Matsushima

(42) First-principles Study on Electronic Structure and Optical Properties of Ca4Bi6O13 Crystal

Journal of Physics and Chemistry of Solids, vol.74, pp.25-29 (2013).

H. Nakamura, Y. Obukuro, K. Obata, S. Matsushima, M. Arai, K. Kobayashi

(41) Preparation of p-type ZnO Films by Alternate Deposition of ZnO and Mg3N2 Films

Procedia Engineering, vol.36, pp.427-433 (2012).

K. Kobayashi, T. Koyama, X. Zhang, Y. Kohono, Y. Tomita, Y. Maeda, S. Matsushima

(40) Visible Light Activity of Photocatalytic Composites Composed of Metal Oxides

Nanoscience and Nanotechnology Letters, vol.4, pp.712-715 (2012).

K. Yamada, K. Yamamoto, T. Sonoda, H. Yamane, S. Matsushima, H. Nakamura

(39) Preparation of Visible-light-active Photocatalysts Having Cu-contained Layer

by Plasma CVD, Nanoscience and Nanotechnology Letters, vol.4, pp.581-584 (2012).

K. Yamada, K. Yamamoto, T. Sonoda, H. Yamane, S. Matsushima, H. Nakamura

(38) First-principles Study on Electronic Structure and Optical Properties of Ca4Bi6O13 Crystal,

Journal of Physics and Chemistry of Solids, in press.

(37) Preparation and Characterization of SrO-Bi2O3 Complex Oxide,

Functional Mterials Letters,  Vol.5, pp.1260015-1`1260015-4 (2012).

(36) NO2 and CO2 Sensing Properties of LISICON-Based Sensor Operative at Room Temperature,

Sensors and Materials, Vol.24, pp.43-56 (2012).

(35) First-principles Study on the Electronic Structure of Sr2Bi2O5 Crystal,

Journal of Physics and Chemistry of Solids, Vol.72, pp.1477-1481 (2011).

(34) Preparation and Characterization of Ca4Bi6O13 Complex Oxide,

Chemistry Letters,  Vol.40, pp.288-289 (2011).

(33) Possibility for Hole Doping into Amorphous InGaZnO4 Films Prepared by RF Sputtering,

Physica Status Solidi C, Vol.8, pp.531-533 (2011).

(32) First-principles Energy Band Calculation for CaBi2O4 with Monoclinic Structure,

Materials Chemistry and Physics, Vol.139, pp.385-389 (2010).

(31) CO2 Sensing Performances of Potentiometric Sensor Based on Na1+xZr2Si2PO12(0<x<3),

Journal of the Ceramic Society of Japan, Vol.118, pp.213-216 (2010).

(30) Relationship between Aging Time and EMF Change of Potentiometric CO2 Device Using Na1+xZr2Si2PO12 (0<x<3),

Sensors and Actuators BCVol.139, pp.435-439 (2009).

(29) Photocatalytic Activity of TiO2 Thin Films Doped with Nitrogen Using a Cathodic Magnetron Plasma Treatment,

Thin Solid Films, vol.516, pp.7560-7564 (2008).

(28) Effect of Thermal Treatment on Photocatalytic Activity of N-doped TiO2 Particles under Visible Light,

Thin Solid Films, vol.516, pp.7482-7487 (2008).

(27) NASICON-based NO2 Device Attached with Metal Oxide and Nitrite Compound for the Low Temperature Operation,

Sensors & Actuators B, vol.130, pp.269-276. (2008).

(26) Low Wet Etching Rates of ZnO Films Prepared by Sputtering of Mixed ZnO and AlN Powder Targets,

Thin Solid Films, vol.516, pp.4894-4898 (2008).

(25) First-principles Energy Band Calculation of Bi2CuO4 with Antiferromagnetic Structure,

Journal of the Ceramic Society of Japan, vol.116 No.4, pp.589-592 (2008).

(24) Effect of Plasma-Polymerized Layer Formed on a Surface of Titanium Dioxide Particle on Its Photocatalytic Activity,

Journal of the Vacuum Society of Japan, vol.50, No.10, pp.629-634 (2007).

(23) Electrical and Optical Properties of ZnO Films Prepared by Sputtering of ZnO Targets Containing AlN,

Applied Surface Science, vol.253, pp.5035-5039 (2007).

(22) First-Principles Energy Band Calculation for Undoped and S-doped TiO2 with Anatase   Structure,

Journal of Physics and Chemistry of Solids, vol.68, pp.206-210 (2007).

(21) Preparation of N-doped TiO2 Particles by Plasma Surface Modification,

Comptes Rendus Chimie, vol.9, 788-793 (2006).

(20) Photoluminescence Spectra of ZnO Films Doped with Li and Cl Atoms,

Key Engineering Materials, vol.301, 185-188, (2006).

(19) Doping of Fe to In2O3, Thin Solid Films, vol.505, 122-125 (2006).

(18) Sensing Properties of NASICON-based NO2 Sensor Attached with Metal Oxide

Operative at Room Temperature, Electrochemistry, vol.73, 956-958 (2005).

(17) NASICON-based Potentiometric CO2 Sensor Combined with New Materials Operative

at Room Temperature, Sensors and Actuators B, vol.108, 352-358 (2005).

(16) Photocatalytic Property and Electronic Structure of Triple-Layered Perovskite

Tantalates, MCa2Ta3O10 (M = Cs, Na, H, and C6H13NH3),

The Journal of Physical Chemistry B, vol.109, 7801-7806 (2005).

(15) First-Principles Band Calculation of TiO2 with Brookite Structure,

Electrochemistry, vol.72, 694-696 (2004).

(14) Fe Doping Effects on the Optical and Magnetic Properties of Indium Oxide,

Transactions of the Materials Research Society of Japan, vol.29, 1509-1511 (2004).

(13) Electronic Structure of InTaO4 with Monoclinic Structure,

Chemistry Letters, vol. 2003, 64-65.

(12) Comparison of Electronic Structure of LiInO2 with NaInO2,

Journal of Alloys and Compounds, vol. 359, 278-280 (2003).

(11) Photocatalytic Properties of Layered Perovskite Tantalates, MLnTa2O7 (M=Cs, Rb, Na,

H and Ln=La, Pr, Nd, Sm), Journal of Materials Chemistry, 13, 1433-1437 (2003).

(10) _G}̓dq\vZ, G}, 45, 310-312 (2003).

(9) First-Principles Energy Band Calculation for Undoped and N-doped InTaO4 with

Layered Wolframite-type Structure,

The Journal of Physics and Chemistry of Solid, vol.64, 2417-2421 (2003).

(8) First-Principles Energy Band Calculation for SrAl2O4 with Monoclinic Structure,

Chemistry Letters, 2002, 700-701.

(7) Electronic Structure of Group III Elements Doped into ZnO by Using Molecular Orbital

Calculation, Chemistry Letters, 2002, 580-581.

(6) Cu Doping Effects on Optical and Magnetic Properties of In2O3,

Journal of Alloys and Compounds, vol.334, 205-210 (2002).

(5) Electronic Structure of Layered Tantalates Photocatalysts, RbLnTa2O7 (Ln = La, Pr, Nd,

and Sm), International Journal of Inorganic Materials, vol.3, No.6, 545-550 (2001).

(4) First-Principles Energy Band Calculation for ZnSb2O6 with Trirutile-Type Structure,

Chemistry Letters, 2001, 1010-1011.

(3) Preparation and Characterization of Lithium Doped Indium Sesqui-Oxide,

Journal of Alloys and Compounds, vol.322, 220-225 (2001).

(2) Effect of Mn Doping on the Electronic Structure of ZnGa2O4 with Spinel-Type Structure,

Chemistry Letters, 2001, 664-665.

(1) Photocatalytic Properties and Electronic Structure of Lanthanide Tantalates, LnTaO4

(Ln = La, Ce, Pr, Nd and Sm),

The Journal of Physical Chemistry B, vol.105, 3289-3294 (2001).

 

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