研究者詳細 - 中津川　博

The thermoelectric properties of TiNiSn1-xSbx (0 ≤ x ≤ 0.05) prepared by arc melting are measured up to 800 K
to obtain ZT. Hall effect measurements and ab initio calculation using AkaiKKR are performed to confirm the Sb
substitution effect. The density of states before and after substitution show that Sb acts as a donor. Thermoelectric
properties show that the absolute values of the electrical resistivity and Seebeck coefficient decreased with
increasing x while the thermal conductivity increased. This is consistent with the carrier density-dependent trends
when the carrier density increases. Hall effect measurements at room temperature also show that the carrier density
increases with increasing x. Thus, the sample with the maximum ZT is TiNiSn0.99Sb0.01, with a value of ZT = 0.42
at 750 K. It can be said that Sb substitution for TiNiSn results in carrier doping and, at the optimum amount of
substitution, improves the thermoelectric performance.

Investigation of phase fraction in α-Fe2Si5, ε-FeSi, and β-FeSi2 thermoelectric materials doped with Co and Ni

Sopheap Sam, Kosuke Yamazaki, Hiroshi Nakatsugawa

Solid State Communications 371 2023年7月 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）単著

Investigation of phase fraction in a-Fe2Si5, E-FeSi, and 8-FeSi2 thermoelectric materials doped with Co and Ni

Sam Sopheap, Yamazaki Kosuke, Nakatsugawa Hiroshi

Solid State Communications 371 2023年7月

CiNii Research

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Pergamon-Elsevier Science Ltd. 共著

We investigate the phase fraction in Co and Ni-doped 8-FeSi2. For the 8-Fe1-xCoxSi2, the formation of the a-phase is more dominant than the E-phase. In contrast, for the 8-Fe1-yNiySi2, the increase in the E-phase is more dominant than the a-phase. This result indicates the phase transition in 8-FeSi2 is dependent on the amount and type of dopant. This study offers a solution to evaluate the phase fraction of Co and Ni-doped 8-FeSi2. Therefore, we could identify the range of optimum dopant concentration to prepare Co and Ni-doped 8-FeSi2 for thermoelectric application with a preferable phase.

Erratum: Crystal structure, magnetism, and thermoelectric properties of Nd1−xSrxFeO3−δ (0.1 ≤ x ≤ 0.9) [Jpn. J. Appl. Phys. 62, 043001 (2023)]

Hiroshi Nakatsugwa, Yudai Kamatani, Yoichi Okamoto and Charles H. Hervoches

Japanese Journal of Applied Physics 62 2023年6月 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）単著

Improved thermoelectric performance of Co-doped β-FeSi2 by Ni substitution

Sopheap Sam, Hiroshi Nakatsugawa and Yoichi Okamoto

Materials Advances 4 ( 13 ) 2821 - 2830 2023年5月 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）単著

Crystal structure, magnetism, and thermoelectric properties of Nd1-x Sr x FeO3-δ (0.1 ≤ x ≤ 0.9)

Nakatsugawa Hiroshi, Kamatani Yudai, Okamoto Yoichi, Hervoches Charles H.

Japanese Journal of Applied Physics 62 ( 4 ) 2023年4月

CiNii Research

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：IOP Publishing Ltd 共著

Polycrystalline Nd1-x Sr x FeO3-delta (0.1 <= x <= 0.9) samples exhibit a single-phase perovskite-type crystal structure and G-type antiferromagnetism with small ferromagnetic order. Assuming that the Fe site is in the mixed-valence state, the spin state of Fe changes from a low-spin (LS) or intermediate spin Fe3+-dominant state at x <= 0.5 to a LS Fe4+ dominant state at x >= 0.6. This strongly suggests that the charge carriers change from holes to electrons. In fact, at temperatures less than 500 K, these samples show a p-type Seebeck coefficient for 0.1 <= x <= 0.5 and an n-type Seebeck coefficient for 0.6 <= x <= 0.9. However, for 0.6 <= x <= 0.9, Fe4+ is reduced to Fe3+ because of an oxygen deficiency in the 500-600 K temperature range. In particular, Nd0.7Sr0.3FeO2.99(1) shows the largest p-type ZT = 0.025 at 765 K, whereas compositions with high n-type ZT could not be identified.

Effect of Ni Substitution on Thermoelectric Properties of Bulk β-Fe1-xNixSi2 (0≦x≦0.03)

S.Sam, S.Odagawa, H. Nakatsugawa, and Y.Okamoto

Materials 16 ( 3 ) 927-1 - 927-17 2023年1月 [査読有り]

DOI

担当区分：責任著者記述言語：英語掲載種別：研究論文（学術雑誌）単著

Optimization of Co additive amount to improve thermoelectric properties of β-FeSi2

S.Sam, H. Nakatsugawa, and Y.Okamoto

Japanese Journal of Applied Physics 61 ( 11 ) 111002-1 - 111002-11 2022年11月 [査読有り]

DOI Web of Science

担当区分：責任著者記述言語：英語掲載種別：研究論文（学術雑誌）単著

Optimization of Co additive amount to improve thermoelectric properties of β-FeSi2

Sam Sopheap, Nakatsugawa Hiroshi, Okamoto Yoichi

Japanese Journal of Applied Physics 61 ( 11 ) 2022年11月

CiNii Research

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：IOP Publishing Ltd 共著

The present manuscript deals with the synthesis of pure and Co-doped beta-FeSi2 by the conventional arc-melting method and the investigation of the effect of Co-dopant on the structural, electrical, and thermoelectric properties of beta-Fe1-x Co (x) Si-2 (0 <= x <= 0.06) from 300 to 800 K. The electrical resistivity decreases with increasing Co-doping due to the increase in carrier concentration. The Seebeck coefficient of all Co-doping samples (0.005 <= x <= 0.06) is higher and more stable than that of x = 0 due to the absence of the bipolar effect. Therefore, the maximum power factor is around 900 mu Wm(-1)K(-2) obtained in x = 0.03 from 720 to 800 K. The thermal conductivity also slightly decreases with increasing x. As a result, the optimum doping level is achieved in x = 0.03 with the carrier density around 1.2(4) x 10(20 )cm(-3) and mobility for 3.5(6) cm(2) V(-1 )s(-1), where the highest ZT is 0.099.

Effect of Sb substitution on structural, morphological and electrical properties of BaSnO₃ for thermoelectric application

P. Rajasekaran, Y. Kumaki, M. Arivanandhan, M. S. Ibrahim Khaleeullah, R. Jayavel, H. Nakatsugawa, … 全著者表示

Physica B: Condensed Matter 597 412387-1 - 412387-9 2020年11月 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Thermoelectric Properties of Heusler Fe₂TiSn Alloys

Nakatsugawa Hiroshi, Ozaki Toshiki, Kishimura Hiroaki, Okamoto Yoichi

JOURNAL OF ELECTRONIC MATERIALS 49 ( 5 ) 2802 - 2812 2020年5月 [査読有り]

DOI Web of Science

記述言語：英語掲載種別：研究論文（学術雑誌）共著

High-temperature thermoelectric properties of Pr_1-xSr_xFeO₃ (0.1<x<0.7)

Nakatsugawa Hiroshi, Saito Miwa, Okamoto Yoichi

MATERIALS TRANSACTIONS 60 ( 6 ) 1051 - 1060 2019年6月

DOI

記述言語：日本語掲載種別：研究論文（学術雑誌）出版者・発行元：公益社団法人日本金属学会共著

Polycrystalline specimens of Pr1−xSrxFeO3 (0.1 ≤ x ≤ 0.7) were synthesized using a solid state reaction method. All samples had a typical perovskite structure, where the orthorhombic (Pbnm) phase was dominant at x ≤ 0.5 and the rhombohedral (R-3c) phase was dominant at x ≥ 0.6. Since the B site is in the mixed valence state of Fe3+/Fe4+ and the spin quantum number is in the range of 0.86 ≤ s ≤ 1.15, it is expected that Fe3+ is in the spin state of low spin (LS) Fe3+ or intermediate spin (IS) Fe3+ and Fe4+ is in the spin state of LS Fe4+. As x increases, the ratio of IS Fe3+ decreases compared to that of LS Fe3+ at x ≥ 0.3, so that the P-type Seebeck coefficient is maintained up to x = 0.5. Although ZT = 0.002 (T = 850 K) of x = 0.7 which shows the maximum N-type thermoelectric characteristic is about 8% of ZT = 0.024 (T = 850 K) of x = 0.1 which shows the maximum P-type thermoelectric characteristic, both are the results of relatively high Seebeck coefficient, low electrical resistivity, and low thermal conductivity. Therefore, we strongly suggest that there is a possibility of application of PN elements which compose of the perovskite-type oxides. This Paper was Originally Published in Japanese in J. Thermoelec. Soc. Jpn. 15 (2018) 3–13.

その他リンク： https://ci.nii.ac.jp/naid/130007624378

Proposal of new fabrication method for metal nano-dots -Electric current application in electrolyte solution-

Y. Okamoto, K.Nimura, H. Nakatsugawa, and H.Miyazaki

Journal of the Japan Society of Powder and Powder Metallurgy 65 ( 9 ) 548 - 553 2018年9月 [査読有り]

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Japan Society of Powder and Powder Metallurgy 共著

High-temperature thermoelectric properties of Pr_1-xSr_xFeO₃ (0.1<x<0.7)

中津川博，齋藤美和，岡本庸一

日本熱電学会誌 15 ( 1 ) 3 - 13 2018年8月 [査読有り]

記述言語：日本語掲載種別：研究論文（学術雑誌）出版者・発行元：日本熱電学会共著

High-Tenoerature Thermoelectric Properties of Perovskite-Type Pr0.9Sr0.1Mn1-xFexO3 (0<x<1)

H. Nakatsugawa, M.Saito, and Y. Okamoto

Journal of Electronic Materials 46 ( 5 ) 3262 - 3272 2017年2月 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）単著

P-Type Thermoelectric Properties of Pr_1-xSr_xMnO₃ (0.1<x<0.3) and La_1-xSr_xFeO₃ (0.1<x<0.3)

Hiroshi Nakatsugawa,Masaki Kubota,Miwa Saito

Journal of Japan Institute of Metals 79 ( 11 ) 597 - 606 2015年11月 [査読有り]

DOI Web of Science

記述言語：日本語掲載種別：研究論文（学術雑誌）出版者・発行元：Japan Institute of Metals 共著

ペロフスカイトFe酸化物La1-xSrxFeO3(0.1≦x≦0.3)のP型熱電特性は、x = 0.3で、1000Kにおける無次元性能指数ZT = 0.14が最大であり、P型をペロフスカイトFe酸化物、N型をCaMnO3を用いた同一結晶構造のPN素子実現の可能性は高いことを確認した。

Thermoelectric and Magnetic Properties of Pr_1-xSr_xMnO₃ (0.1<x<0.9)

H. Nakatsugawa, M. Kubota, and M. Saito

Materials Transactions 56 ( 6 ) 864 - 871 2015年6月 [査読有り]

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Materials Transactions 共著

ペロフスカイトMn 酸化物Pr1-xSrxMnO3(0.1≦x≦0.7)のP型熱電特性は、x = 0.1で、468K における無次元性能指数 ZT = 0.0035 が最大であり、ペロフスカイトMn 酸化物を用いた単一母相のPN素子実現の可能性は低いことを確認した。

Electric Current Dependence of a Self-Cooling Device Consisting of Silicon Wafers Connected to a Power MOSFET

H. Nakatsugawa, Y. Okamoto, T. Kawahara, and S. Yamaguchi

Journal of Electronic Materials 43 ( 6 ) 1757 - 1767 2013年10月 [査読有り]

DOI Web of Science

記述言語：英語掲載種別：研究論文（学術雑誌）共著

市販のパワーMOSFETとSb添加されたn型SiウェハまたはB添加されたp型Siウェハを組合せることによって自己冷却デバイスを作製し、その放熱(冷却)効果を定量的に評価した。特に、ゲート電圧10V、ドレイン電流50Aの下で、n型Siウェハとp型Siウェハを組合せた時のパワーMOSFET表面の平均温度はそれぞれ2.7℃と3.5℃減少することを確認した。

その他リンク： http://link.springer.com/article/10.1007/s11664-013-2856-9

Self-cooling on power MOSFET using n-type Si wafer

H. Nakatsugawa, T. Sato, Y. Okamoto, T. Kawahara, and S. Yamaguchi

AIP Conference Proceedings 1449 548 - 551 2012年 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Optimisation of the Solid Oxide Fuel Cell (SOFC) cathode material Ca₃Co₄O_9-δ

Aurelie Rolle, Samir Boulfrad, Kensaku Nagasawa, Hiroshi Nakatsugawa, Olivier Mentre, John Irvine, … 全著者表示

Journal of Power Sources 196 ( 17 ) 7328 - 7332 2011年

DOI Web of Science

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Thermoelectric Properties of Single-Crystalline SiC and Dense Sintered SiC for Self-Cooling Devices

S.Fukuda, T.Kato, Y.Okamoto, H.Nakatsugawa, H.Kitagawa, and S.Yamaguchi

Japanese Journal of Applied Physics 50 031301 2011年 [査読有り]

DOI Web of Science

記述言語：英語掲載種別：研究論文（学術雑誌）共著

熱電変換材料Ca₃Co₄O₉のSOFC空気極への応用

中津川博, 長澤兼作

日本熱電学会誌 6 ( 3 ) 17 - 23 2010年

記述言語：日本語掲載種別：研究論文（学術雑誌）共著

Ca₃Co₄O_9-δ: A Thermoelectric Material for SOFC Cahode

K.Nagasawa, S.Daviero-Minaud, N.Preux, A.Rolle, P.Roussel, H.Nakatsugawa, and O.Mentre

Chemistry of Materials 21 ( 19 ) 4738 - 4745 2009年 [査読有り]

DOI Web of Science

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Texture development of Ca₃Co₄O₉ thermoelectric oxide by high temperature plastic deformation and its contribution to the improvement in electric conductivity

H.Fukutomi, Y.Konno, K.Okayasu, M.Hasegawa, H.Nakatsugawa

Materials Science and Engineering A 527 61 - 64 2009年 [査読有り]

DOI Web of Science

記述言語：英語掲載種別：研究論文（学術雑誌）共著

The Electrochemical and thermal performances of Ca₃Co₄O_9-δ as a cathode material for IT-SOFCs

K.Nagasawa, O.Mentre, S.Daviero-Minaud, N.Preux, A.Rolle, P.Roussel, and H.Nakatsugawa

ECS Transactions Proceedings of "Solid Oxide Fuel Cells 11 (SOFC-XI)" Vienna, Austria 25 ( 2 ) 2625 - 2630 2009年 [査読有り]

DOI Web of Science

記述言語：英語掲載種別：研究論文（国際会議プロシーディングス）共著

The Effects of Polysilastyrene and Au Additions on the Thermoelectric Properties in β-SiC/Si Composites

H.Nakatsugawa, K.Nagasawa, Y.Okamoto, S.Yamaguchi, S.Fukuda and H.Kitagawa

Journal of Electronic Materials 38 ( 7 ) 1387 - 1391 2009年 [査読有り]

DOI Web of Science

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Thermoelectric Properties of Pb and Sr Doped Ca₃Co₄O₉

H.Nakatsugwa, H.M.Jeong, N.Gomi, H.Fukutomi, and R.H.Kim

Advances in Electronic Ceramics 28 ( 8 ) 171 - 183 2008年8月 [査読有り]

記述言語：英語掲載種別：研究論文（国際会議プロシーディングス）共著

Thermoelectric Properties and Crystal Structures of Au Doped SiC/Si Composites

K.Nagasawa, H.Nakatsugwa and Y.Okamoto

Proceedings of the 6th European Conference on Thermoelectrics (ECT2008) P1 - 16-1 - P1-16-4 2008年

記述言語：英語掲載種別：研究論文（国際会議プロシーディングス）共著

Thermoelectric and Magnetic Properties of [(Ca_1-xPb_x)₂CoO_3.1]_0.62CoO₂ (0<x<0.03)

H.Nakatsugawa, H.M.Jeong, R.H.Kim, N.Gomi

Japanese Journal of Applied Physics 46 ( 5A ) 3004 - 3012 2007年 [査読有り]

DOI Web of Science

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Thermoelectric properties of Pb doped [Ca₂CoO_3.1]_0.62CoO₂

H.Nakatsugwa, H.M.Jeong, R.H.Kim and N.Gomi

Proceedings of the 25th International Conference on Thermoelectrics (ICT'06) 689 - 692 2006年 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（国際会議プロシーディングス）出版者・発行元：IEEE 共著

Evidence for the two-dimensional hybridization in Na_0.79CoO₂ and Na_0.84CoO₂

H.Nakatsugawa and K.Nagasawa

Journal of Solid State Chemistry 177 1137 - 1145 2004年 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Crystal structure, electric and magnetic properties in Na_xCoO₂

K.Nagasawa and H.Nakatsugwa

Proceedings of the Symposia of the 8th IUMRS International Conference on Advanced Materials (IUMRS-ICAM) 29 ( 6 ) 2809 - 2812 2004年

記述言語：英語掲載種別：研究論文（国際会議プロシーディングス）共著

Crystal structure, electric and magnetic properties in Na_xCoO₂

K.Nagasawa and H.Nakatsugawa

Proceedings of the 22nd International Conference on Thermoelectrics (ICT'03) 223 - 226 2003年

記述言語：英語掲載種別：研究論文（国際会議プロシーディングス）出版者・発行元：IEEE Service Center, c2003 共著

Electronic structures of Sr_1-xLa_xRuO₃

H.Nakatsugawa, E.Iguchi, and Y.Oohara

Advances in Quantum Chemistry 42 215 - 222 2003年 [査読有り]

記述言語：英語掲載種別：研究論文（国際会議プロシーディングス）共著

Electronic structures and magnetic properties in Sr_1-xLa_xRuO₃ (0.0<x<0.5)

H. Nakatsugawa, E. Iguchi, and Y. Oohara

Journal of Physics: Condensed Matter 14 415 2002年 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Electrical transport properties in LiMn₂O₄, Li_0.95Mn₂O₄, and LiMn_1.95B_0.05O₄ (B=Al or Ga) around room temperature

E. Iguchi, Y. Tokuda, H. Nakatsugawa and F. Munakata

Journal of Applied Physics 91 ( 4 ) 2149 - 2154 2002年 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：American Institute of Physics 共著

その他リンク： http://link.aip.org/link/?JAPIAU/91/2149/1

Electronic structures and chemical bonding of Bi_2-xPb_xSr₃Co₂O₉ (x=0.0 and 0.5)

H. Nakatsugawa and E. Iguchi

Materials Letters 53 221 2002年 [査読有り]

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Thermoelectric Properties (Resistivity and Thermopower) in Bi_1.5Pb_0.5Ca_2-xM_xCo₂O_8-δ (M=Sc³⁺, Y³⁺ or La³⁺)

E.Iguchi, S.Katoh, H.Nakatsugawa, and F.Munakata

Journal of Solid State Chemistry 167 472 2002年 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Electronic and Magnetic Properties due to Co ions in La_0.9Sr_0.1Fe_1-xCo_xO₃

H. Nakatsugawa and E. Iguchi

Journal of Solid State Chemistry 159 215 2001年 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Thermoelectric Properties in Bi_2-xPb_xSr_3-yY_yCo₂O_9-δCeramics

E. Iguchi, T. Itoga, H. Nakatsugawa, F. Munakata and K. Furuya

Journal of Physics D: Applied Physics 34 1017 2001年 [査読有り]

記述言語：英語掲載種別：研究論文（その他学術会議資料等）共著

Small polarons in La_2/3TiO_3-δ

W. H. Jung, H. Wakai, H. Nakatsugawa and E. Iguchi

Journal of Applied Physics 88 ( 5 ) 2560 - 2563 2000年 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：American Institute of Physics 共著

その他リンク： http://link.aip.org/link/?JAPIAU/88/2560/1

Study of Electronic Structures in LaCo_1-xTi_xO₃ (x=0, 0.05 and 0.15) Using Discrete-Variational-Xα Cluster Method

H. Nakatsugawa and E. Iguchi

Japanese Journal of Applied Physics 39 ( 3A ) 1186 2000年 [査読有り]

記述言語：英語掲載種別：研究論文（その他学術会議資料等）共著

La_0.9(Sr_1-xCa_x)_1.1CoO₄の熱電変換材料への応用

中津川博, 井口栄資

日本金属学会誌 63 ( 11 ) 1393 - 1399 1999年 [査読有り]

記述言語：日本語掲載種別：研究論文（学術雑誌）共著

Correlation between hopping conduction and transferred exchange interaction in La₂NiO_4+δ below 300 K

E. Iguchi, H. Satoh, H Nakatsugawa and F. Munakata

Physica B Condensed Matter 270 332 1999年 [査読有り]

記述言語：英語掲載種別：研究論文（学術雑誌）共著

The Origin of the Change in Type of the Majority Carrier in LaCo_1-xTi_xO₃ (0.05<x<0.15)

H. Nakatsugawa and E. Iguchi

Journal of Physics: Condensed Matter 11 1711 1999年 [査読有り]

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Small Polaron Hopping Conduction in Samples of Ceramic La_1.4Sr_1.6Mn₂O_7.06

H. Nakatsugawa, E. Iguchi, W. H. Jung and F. Munakata

Australian Journal of Physics 52 ( 2 ) 187 - 195 1999年 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（国際会議プロシーディングス）出版者・発行元：CSIRO PUBLISHING 共著

Polaronic Transports in La_2-xSr_xCoO₄ (0.25<x<1.10) below Room Temperature

E. Iguchi, H. Nakatsugawa and K. Futakuchi

Journal of Solid State Chemistry 139 176 1998年 [査読有り]

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Electrical transport in La_1-xSr_xCoO₃ (0.03<x<0.07) below 60 K

E. Iguchi, K. Ueda and H. Nakatsugawa

Journal of Physics: Condensed Matter 10 8999 1998年 [査読有り]

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Electrical Transport in Semiconducting (LaMn_1-xTi_x)_1-γO₃ (x<0.05)

W. H. Jung, H. Nakatsugawa and E. Iguchi

Journal of Solid State Chemistry 133 466 1997年 [査読有り]

記述言語：英語掲載種別：研究論文（学術雑誌）共著

Transition Phenomenon in Ti₂O₃ using DV-Xα Cluster Method and Periodic Shell Model

H. Nakatsugawa and E. Iguchi

Physical Review B 56 ( 20 ) 12931 - 12938 1997年 [査読有り]

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：American Physical Society 共著

その他リンク： http://link.aps.org/doi/10.1103/PhysRevB.56.12931

Electronic Structures in VO₂ Using the Periodic Polarizable Point-Ion Shell Model and DV-Xα Method

H. Nakatsugawa and E. Iguchi

Physical Review B 55 ( 4 ) 2157 - 2163 1997年 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：American Physical Society 共著

その他リンク： http://link.aps.org/doi/10.1103/PhysRevB.55.2157

The NiO (001) Surface Structure Calculated by a Two-Dimensional Polarizable Point-Ion Shell Model

H. Nakatsugawa and E. Iguchi

Surface Science 357-358 96 1996年 [査読有り]

記述言語：英語掲載種別：研究論文（国際会議プロシーディングス）共著

Application of a Polarizable Point-Ion Shell Model to a Two-Dimensional Periodic Structure: The NiO (001) Surface

E. Iguchi and H. Nakatsugawa

Physical Review B 51 ( 16 ) 10956 - 10964 1995年 [査読有り]

DOI

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：American Physical Society 共著

その他リンク： https://journals.aps.org/prb/abstract/10.1103/PhysRevB.51.10956

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