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1 E. Iguchi and H. Nakatsugawa Application of a Polarizable Point-Ion Shell Model to a Two-Dimensional Periodic Structure: The NiO (001) Surface Physical Review B Vol. 51 pp.10956-10964 1995
2 H. Nakatsugawa and E. Iguchi The NiO (001) Surface Structure Calculated by a Two-Dimensional Polarizable Point-Ion Shell Model Surface Science Vol. 357-358 pp.96-101 1996
3 H. Nakatsugawa and E. Iguchi Electronic Structures in VO2 Using the Periodic Polarizable Point-Ion Shell Model and DV-Xƒ¿ Method Physical Review B Vol. 55 pp.2157-2163 1997
4 H. Nakatsugawa and E. Iguchi Transition Phenomenon in Ti2O3 using DV-Xƒ¿ Cluster Method and Periodic Shell Model Physical Review B Vol. 56 pp.12931-12938 1997
5 W. H. Jung, H. Nakatsugawa and E. Iguchi Electrical Transport in Semiconducting (LaMn1-xTix)1-ƒÁO3 (x…0.05) Journal of Solid State Chemistry Vol. 133 pp.466-472 1997
6 E. Iguchi, K. Ueda and H. Nakatsugawa Electrical transport in La1-xSrxCoO3 (0.03…x…0.07) below 60 K Journal of Physics: Condensed Matter Vol. 10 pp.8999-9013 1998
7 E. Iguchi, H. Nakatsugawa and K. Futakuchi Polaronic Conduction in La2-xSrxCoO4 (0.25…x…1.10) below Room Temperature Journal of Solid State Chemistry Vol. 139 pp.176-184 1998
8 H. Nakatsugawa, E. Iguchi, W. H. Jung and F. Munakata Small Polaron Hopping Conduction in Samples of Ceramic La1.4Sr1.6Mn2O7.06 Australian Journal of Physics Vol. 52 pp.187-195 1999
9 H. Nakatsugawa and E. Iguchi The Origin of the Change in Type of the Majority Carrier in LaCo1-xTixO3 (0.05…x…0.15) Journal of Physics: Condensed Matter Vol. 11 pp.1711-1722 1999
10 ’†’Ã씎, ˆäŒû‰hŽ‘ La0.9(Sr1-xCax)1.1CoO4‚Ì”M“d•ÏŠ·Þ—¿‚ւ̉ž—p
(Application of La0.9(Sr1-xCax)1.1CoO4 as a Thermoelectric Material)
“ú–{‹à‘®Šw‰ïŽ
(Journal of Japan Institute of Metals)
Vol. 63 pp.1393-1399 1999
11 E. Iguchi, H. Satoh, H Nakatsugawa and F. Munakata Correlation between hopping conduction and transferred exchange interaction in La2NiO4+ƒÂ below 300 K Physica B Condensed Matter Vol. 270 pp.332-340 1999
12 H. Nakatsugawa and E. Iguchi Study of Electronic Structures in LaCo1-xTixO3 (x=0, 0.05 and 0.15) Using Discrete-Variational-Xƒ¿ Cluster Method Jpn. J. Appl. Phys. Vol. 39 pp.1186-1189 2000
13 W. H. Jung, H. Wakai, H. Nakatsugawa and E. Iguchi Small polarons in La2/3TiO3-ƒÂ Journal of Applied Physics Vol. 88 pp.2560-2563 2000
14 E. Iguchi, T. Itoga, H. Nakatsugawa, F. Munakata and K. Furuya Thermoelectric Properties in Bi2-xPbxSr3-yYyCo2O9-ƒÂCeramics Journal of Physics D: Applied Physics Vol. 34 pp.1017-1024 2001
15 H. Nakatsugawa and E. Iguchi Electronic and Magnetic Properties due to Co ions in La0.9Sr0.1Fe1-xCoxO3 Journal of Solid State Chemistry Vol. 159 pp.215-222 2001
16 H. Nakatsugawa, E. Iguchi, and Y. Oohara Electronic structures and magnetic properties in Sr1-xLaxRuO3 (0.0…x…0.5) Journal of Physics: Condensed Matter Vol. 14 pp.415-425 2002
17 E. Iguchi, Y. Tokuda, H. Nakatsugawa and F. Munakata Electrical transport properties in LiMn2O4, Li0.95Mn2O4, and LiMn1.95B0.05O4 (B=Al or Ga) around room temperature Journal of Applied Physics Vol. 91 pp.2149-2154 2002
18 H. Nakatsugawa and E. Iguchi Electronic structures and chemical bonding of Bi2-xPbxSr3Co2O9 (x=0.0 and 0.5) Materials Letters Vol. 53 pp.221-226 2002
19 E.Iguchi, S.Katoh, H.Nakatsugawa, and F.Munakata Thermoelectric Properties (Resistivity and Thermopower) in Bi1.5Pb0.5Ca2-xMxCo2O8-ƒÂ (M=Sc3+, Y3+ or La3+) Journal of Solid State Chemistry Vol. 167 pp.472-479 2002
20 H.Nakatsugawa, E.Iguchi, and Y.Oohara Electronic structures of Sr1-xLaxRuO3 Advances in Quantum Chemistry,
DV-Xƒ¿ for advanced nano materials and other interesting topics in materials science
Vol. 42 pp.215-222 2003
21 K.Nagasawa and H.Nakatsugawa Crystal structure, electric and magnetic properties in NaxCoO2 Proceedings of the 22nd International Conference on Thermoelectrics (ICT2003) 17-21 August pp.223-226 2003
22 H.Nakatsugawa and K.Nagasawa Evidence for the two-dimensional hybridization in Na0.79CoO2 and Na0.84CoO2 Journal of Solid State Chemistry Vol. 177 pp.1137-1145 2004
23* K.Nagasawa and H.Nakatsugawa Crystal structure, electric and magnetic properties in NaxCoO2 Proceedings of the Symposia of the 8th IUMRS International Conference on Advanced Materials (IUMRS-ICAM) October 8-13, Vol.29 pp.2809-2812 2004
24 H.Nakatsugwa, H.M.Jeong, R.H.Kim and N.Gomi Thermoelectric properties of Pb doped [Ca2CoO3.1]0.62CoO2 Proceedings of the 25th International Conference on Thermoelectrics (ICT2006) 6-10 August pp.689-692 2006
25 H.Nakatsugwa, H.M.Jeong, R.H.Kim and N.Gomi Thermoelectric and Magnetic Properties of [(Ca1-xPbx)2CoO3.1]0.62CoO2 (0…x…0.03) Jpn. J. Appl. Phys. Vol. 46 No. 5A pp.3004-3012 2007
26 H.Nakatsugwa, H.M.Jeong, N.Gomi, H.Fukutomi, and R.H.Kim Thermoelectric Properties of Pb and Sr Doped Ca3Co4O9 Advances in Electronic Ceramics Vol. 28 No. 8 pp.171-183 2008
27* K.Nagasawa, H.Nakatsugwa and Y.Okamoto Thermoelectric Properties and Crystal Structures of Au Doped SiC/Si Composites Proceedings of the 6th European Conference on Thermoelectrics (ECT2008) 2-4 July pp.P1-16-1 -
P1-16-4
2008
28 H.Fukutomi, K.Okayasu, Y.Konno, E. Iguchi, H.Nakatsugawa Deformaiton and texture behaviors of Co-oxides with misfit structure under high temperature compression Ceramic Engineering and Science Proceedings. 10 ed. Vol. 29 pp.41-50 2008
29 H.Nakatsugawa, K.Nagasawa, Y.Okamoto, S.Yamaguchi, S.Fukuda and H.Kitagawa The Effects of Polysilastyrene and Au Additions on the Thermoelectric Properties in ƒÀ-SiC/Si Composites Journal of Electronic Materials Vol. 38 No. 7 pp.1387-1391 2009
30 K.Nagasawa, S.Daviero-Minaud, N.Preux, A.Rolle, P.Roussel, H.Nakatsugawa, and O.Mentre Ca3Co4O9-ƒÂ: A Thermoelectric Material for SOFC Cathode Chemistry of Materials Vol. 21 No. 19 pp.4738-4745 2009
31 K.Nagasawa, O.Mentre, S.Daviero-Minaud, N.Preux, A.Rolle, P.Roussel, and H.Nakatsugawa The Electrochemical and thermal performances of Ca3Co4O9-ƒÂ as a cathode material for IT-SOFCs ECS Transactions
Proceedings of "Solid Oxide Fuel Cells 11 (SOFC-XI)" Vienna, Austria
Vol. 25 No. 2 pp.2625-2630 2009
32 H.Fukutomi, Y.Konno, K.Okayasu, M.Hasegawa, H.Nakatsugawa Texture development of Ca3Co4O9 thermoelectric oxide by high temperature plastic deformation and its contribution to the improvement in electric conductivity Materials Science and Engineering A Vol. 527 pp.61-64 2009
33 S. Fukuda, T. Kato, Y. Okamoto, H. Nakatsugawa, H. Kitagawa, and S. Yamaguchi Thermoelectric Properties of Single-Crystalline SiC and Dense Sintered SiC for Self-Cooling Devices Jpn. J. Appl. Phys. Vol. 50 No. 3 pp.031301 2011
34 A. Rolle, S. Boulfrad, K. Nagasawa, H. Nakatsugawa, O. Mentre, J. Irvine, S. Daviero-Minaud Optimisation of the Solid Oxide Fuel Cell (SOFC) cathode material Ca3Co4O9-ƒÂ Journal of Power Sources Vol. 196 No. 17 pp.7328-7332 2011
35 H. Nakatsugawa, T. Sato, Y. Okamoto, T. Kawahara, and S. Yamaguchi Self-cooling on power MOSFET using n-type Si wafer 9th European Conference on Thermoelectrics
AIP Conference Proceedings
Vol. 1449 No. pp.548-551 2012
36 H. Nakatsugawa, Y. Okamoto, T. Kawahara, and S. Yamaguchi Electric Current Dependence of a Self-Cooling Device Consisting of Silicon Wafers Connected to a Power MOSFET Journal of Electronic Materials Vol. 43 No. 6 pp.1757-1767 2014
37 H. Nakatsugawa, M. Kubota, and M. Saito Thermoelectric and Magnetic Properties of Pr1-xSrxMnO3 (0.1…x…0.7) Materials Transactions Vol. 56 No. 6 pp.864-871 2015
38 ’†’Ã씎, ŒE“c³Æ, âV“¡”ü˜a P-Type Thermoelectric Properties of Pr1-xSrxMnO3(0.1…x…0.3) and La1-xSrxFeO3(0.1…x…0.3) “ú–{‹à‘®Šw‰ïŽ “ÁWu”M“dÞ—¿Œ¤‹†‚ÌV“WŠJ`V‚µ‚¢•¨«‰ðÍ‹Zp‚ÆVÞ—¿`v Vol. 79 No. 11 pp.597-606 2015
39 H. Nakatsugawa, M.Saito, and Y. Okamoto High-Temperature Thermoelectric Properties of Perovskite-Type Pr0.9Sr0.1Mn1-xFexO3(0…x…1) Journal of Electronic Materials Vol. 46 No. 5 pp.3262-3272 2017
40 ’†’Ãì ”Ž, âV“¡ ”ü˜a, ‰ª–{ —fˆê High-temperature thermoelectric properties of Pr1-xSrxFeO3 (0.1…x…0.7) “ú–{”M“dŠw‰ïŽ Vol. 15 No. 1 pp.3-13 2018
41 Y. Okamoto, K.Nimura, H. Nakatsugawa, and H.Miyazaki Proposal of new fabrication method for metal nano-dots -Electric current application in electrolyte solution- Journal of the Japan Society of Powder and Powder Metallurgy Vol. 65 No. 9 pp.548-553 2018
42 H. Nakatsugawa, M. Saito, and Y. Okamoto High-temperature thermoelectric properties of Pr1-xSrxFeO3 (0.1…x…0.7) Materials Transactions Vol. 60 No. 6 pp.1051-1060 2019
43 H. Nakatsugawa, T.Ozaki, H.Kishimura, and Y. Okamoto Thermoelectric Properties of Heusler Fe2TiSn Alloys Journal of Electronic Materials Vol. 49 No. 5 pp.2802-2812 2020
44 P. Rajasekaran, Y. Kumaki, M. Arivanandhan, M. S. Ibrahim Khaleeullah, R. Jayavel, H. Nakatsugawa, Y. Hayakawa, M. Shimomura Effect of Sb substitution on structural, morphological and electrical properties of BaSnO3 for thermoelectric application Physica B: Condensed Matter Vol. 597 No. pp.412387 2020
45 S.Sam, H. Nakatsugawa, and Y.Okamoto Optimization of Co additive amount to improve thermoelectric properties of ƒÀ-FeSi2 Jpn. J. Appl. Phys. Vol. 61 No. 11 pp.111002 2022
46 S.Sam, S.Odagawa, H. Nakatsugawa, and Y.Okamoto Effect of Ni Substitution on Thermoelectric Properties of Bulk ƒÀ-Fe1-xNixSi2 (0…x…0.03) Materials Vol. 16 No. 3 pp.927 2023
47 H. Nakatsugawa, Y.Kamatani, Y.Okamoto, and C.H.Hervoches Crystal structure, magnetism, and thermoelectric properties of Nd1-xSrxFeO3-ƒÂ (0.1…x…0.9) Jpn. J. Appl. Phys. Vol. 62 No. 4 pp.043001 2023
48 S.Sam, H. Nakatsugawa, and Y.Okamoto Improved Thermoelectric Performance of Co-Doped ƒÀ-FeSi2 by Ni Substitution Materials Advances Vol. 4 No. 13 pp.2821-2830 2023
49 H. Nakatsugawa, Y.Kamatani, Y.Okamoto, and C.H.Hervoches Erratum: Crystal structure, magnetism, and thermoelectric properties of Nd1-xSrxFeO3-ƒÂ (0.1…x…0.9)[Jpn.J.Appl.Phys. 62, 043001 (2023)] Jpn. J. Appl. Phys. Vol. 62 No. 6 pp.069401 2023
50 S.Sam, K.Yamazaki, and H. Nakatsugawa Investigation of phase fraction in ƒ¿-Fe2Si5, ƒÃ-FeSi, and ƒÀ-FeSi2 thermoelectric materials doped with Co and Ni Solid State Communications Vol. 371 No. pp.115287 2023
51 ŽRú± q—C, ’†’Ãì ”Ž, ‰ª–{ —fˆê Sb’uŠ·‚³‚ꂽTiNiSnƒn[ƒtEƒzƒCƒXƒ‰[‡‹à‚Ì”M“d“Á«‚Æ“dŽq\‘¢ “ú–{”M“dŠw‰ïŽ Vol. 20 No. 2 pp.75-81 2023
52 S.Sam, U.Farooq, M.Namba, K.Yamazaki, and H. Nakatsugawa Structure relations with transport properties in p-type thermoelectric materials: Iron silicides Journal or Alloys and Compounds Vol. 989 No. pp.174367 2024

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