2019: Papers, Journals, Books

1.Characteristic fast H^-ion conduction in oxygen-substituted lanthanum hydride

• K.Fukui*1, S.Iimura*1, T.Tada*2, S.Fujitsu*2, M.Sasae*2, H.Tamatsukuri*3, T.Honda*3, K.Ikeda*3, T.Otomo*3, H.Hosono*4
• *1)Laboratory for Materials and Structures, Tokyo Institute of Technology, Yokohama, Japan
• *2)Materials Research Center for Element Strategy, Tokyo Institute of Technology, Yokohama, Japan
• *3)Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tsukuba, Japan
• *4)Laboratory for Materials and Structures, Tokyo Institute of Technology, Yokohama, Japan
• Nature Communications 10, Article number:2578(2019)

2.Hydrogen Desorption Spectra from Excess Vacancy-Type Defects Enhanced by Hydrogen in Tempered Martensitic Steel Showing Quasi-cleavage Fracture

• Kei Saito, Tetsuya Hirade, and Kenichi Takai
• Metallurgical and Materials Transactions A, 5091-5102(2019)

3.Assessment of Hydrogen Absorption and Delayed Fracture Limit of High Tensile Steel Sheet in Corrosive Environment

• Gaku Kitahara, Aya Tsuji, Takashi Asada, and Tomohiro Suzuki
• R&D Review of Toyota CRDL, Vol.50 No.4(2019) 23-31

4.Electronic Defects in Amorphous Oxide Semiconductors: A Review

• Keisuke Ide*1, Kenji Nomura*1*3, Hideo Hosono*1*2, Toshio Kamiya*1*2
• *1)Laboratory for Materials and Structures Tokyo Institute of Technology 4259 Nagatsuta, Midori-ku, Yokohama 226-850, Japan
• *2)Materials Research Center for Element Strategy Tokyo Institute of Technology 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
• *3)Department of Electrical and Computer Engineering University of California San Diego La Jolla, CA 92093-0407, USA
• Physica Status Solidi A 2019, 216, 1800372

5.The predominant role of strain-induced vacancies in hydrogen embrittlement of steels: Overview

• Michihiko Nagumo*1, KenichiTakai*2
• *1)Laboratory for Materials Science and Technology, Waseda University, 2-8-26, Nishi-Waseda, Shinjukuku, Tokyo, 169-0051, Japan
• *2)Department of Engineering and Applied Science, Sophia University, 7-1, Kioi-cho, Chiyodaku, Tokyo, 102-8554, Japan
• Acta Materialia Volume 165, 15 February 2019, Pages 722-733

2018: Papers, Journals, Books

1.A passivating contact for silicon solar cells formed during a single firing thermal annealing

• A.Ingenito*1, G.Nogay*1, Q.Jeangros*1, E.Rucavado*1, C.Allebé*2, S.Eswara*3, N.Valle*3, T.Wirtz*3, Jörg Horzel*2, T.Koida*4, M.Morales-Masis*1, M.Despeisse*2, F.Haug*1, P.Löper*1 & C.Ballif*1*2
• *1)École Polytechnique Fédérale de Lausanne (EPFL), Institute of Microengineering (IMT), Photovoltaics and Thin Film Electronics Laboratory, Neuchâtel, Switzerland
• *2)CSEM PV-Center, CSEM, Neuchâtel, Switzerland
• *3)Advanced Instrumentation for Ion Nano-Analytics (AINA), Luxembourg Institute of Science and Technology, Materials Research and Technology Department, Belvaux, Luxembourg
• *4)Research Center for Photovoltaic, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan
• Nature Energy 3, 800-808(2018)

2.Ternary intermetallic LaCoSi as a catalyst for N₂ activation

• Y.Gong*1*2, J.Wu*1*2, M.Kitano*1, J.Wang*1, T.Ye*1*2, J.Li*1*2, Y.Kobayashi*1*2, K.Kishida*1*2, H.Abe*2*3*4, Y.Niwa*3, H.Yang*1, T.Tada*1 & H.Hosono*1*2
• *1)Materials Research Center for Element Strategy, Tokyo Institute of Technology, Yokohama, Japan
• *2)ACCEL, Japan Science and Technology Agency, Kawaguchi, Japan
• *3)High Energy Accelerator Research Organization, Tsukuba, Japan
• *4)Department of Materials Structure Science, School of High Energy Accelerator Science, Graduate University for Advanced Studies, Tsukuba, Japan
• Nature Catalysis 1, 178-185(2018)

3.Preparation, electronic structure of gadolinium oxyhydride and low-energy 5d excitation band for green luminescence of doped Tb³⁺ ions

• J.Ueda*1, S.Matsuishi*2, T.Tokunagaa*1 & S.Tanabe*1
• *1)Graduate School of Human and Environmental Studies, Kyoto University, Japan
• *2)Materials Research Center for Element Strategy, Tokyo Institute of Technology, Japan
• Journal of Materials Chemistry C

4.Identifying quasi-2D and 1D electrides in yttrium and scandium chlorides via geometrical identification

• B.Wan*1*2, Y.Lu*3*4, Z.Xiao*3*4, Y.Muraba*3, J.Kim*3, D.Huang*2, L.Wu*1, H.Gou*1*2*4, J.Zhang*1, F.Gao*1, H.Mao*2*6 & H. Hosono*3*4*6
• *1)Key Laboratory of Metastable Materials Science and Technology, College of Material Science and Engineering, Yanshan University, China
• *2)Center for High Pressure Science and Technology Advanced Research, 100094, Beijing, China
• *3)Materials Research Center for Element Strategy, Tokyo Institute of Technology, Japan
• *4)Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, Japan
• *5)Engineering, Yanshan University, 066004, Qinhuangdao, China
• *6)Geophysical Laboratory, Carnegie Institution of Washington, USA
• *7)Institute of Technology, Mailbox R3-4, 4259 Nagatsuta-cho, Midori-ku, 226-8503, Yokohama, Japan
• npj Computational Materials volume 4, Article number: 77 (2018) 

5.Changes in the substructure of tempered martensitic steel during the application of cyclic elastic stress in the presence of hydrogen

• M Ohori*1, T Chiba*1, Y Matsumoto*1, H Suzuki*2 and K Takai*2
• *1) Graduate School of Science and Technology, Sophia University
• *2) Faculty of Science and Technology, Department of Engineering and Applied Sciences, Sophia University
• IOP Conference Series: Materials Science and Engineering, Volume 461, 5th  International Conference Recent Tends in Structual Materials 1416 November 2018, Pilsen, Czech Republic

6. Evaluation of Corrosion Rate and Diffusible Hydrogen in Stress-Induced High-Strength Steel Plates under Corrosive Conditions

• Manabu Kitahara*1, Aya Tsuji*1, Takashi Asada*1, Tomohiro Suzuki*1, Keitaro Horikawa*2, Hidetoshi Kobayashi*2
• *1) Toyota Central R&D Labs, Inc.　Materials・Process Division 1
• *2) Graduate School of Osaka University　Graduate School of Engineering Science　Function Creation Major
• The 64th Materials and Environment Symposium

7.Toward Annealing-Stable Molybdenum-Oxide-Based Hole-Selective Contacts For Silicon Photovoltaics

• Stephanie Essig*1, Julie Dréon*1, Esteban Rucavado*1, Mathias Mews*2, Takashi Koida*3, Mathieu Boccard*1,Jérémie Werner*1,Jonas Geissbühler*4, Philipp Löper*1, Monica Morales-Masis*1, Lars Korte*2, Stefaan De Wolf*5 and Christophe Ballif*1
• *1)École Polytechnique Fédérale de Lausanne (EPFL), Institute of Micro engineering (IMT), Photovoltaics and Thin Film Electronic Laboratory (PV‐Lab), Rue de la Maladière 71b, 2002 Neuchâtel, Switzerland
• *2)Zentrum Berlin for Materials and Energy (HZB), Institute of Silicon Photovoltaics, Kekuléstraße 5, 12489 Berlin, Germany
• *3)National Institute of Advanced Industrial Science and Technology (AIST), 1‐1‐1 Umezono, Tsukuba, 305‐8568 Japan
• *4)CSEM PV‐center, Rue Jaquet‐Droz 1, 2002 Neuchâtel, Switzerland
• *5)Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Thuwal 23955‐6900, Saudi Arabia
• Solar RRL 2018, 2, 201700227

8.New Route for "Cold-Passivation" of Defects in Tin-Based Oxides

• Esteban Rucavado*1,Miglė Graužinytė*2, José A. Flores-Livas*2, Quentin Jeangros*1*2, Federica Landucci*1*3, Yeonbae Lee*4,Takashi Koida*5, Stefan Goedecker*2, Aïcha Hessler-Wyser*1, Christophe Balif*1 and Monica Morales-Masis*1*6
• *1)Institute of Microengineering(IMT), Photovoltaics and Thin-Film Electronics Laboratory,École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel CH-2002, Switzerland
• *2)Department of Physics, Universität Basel, Klingelbergstr. 82, 4056 Basel, Switzerland
• *3)Interdisciplinary Centre for Electron Microscopy, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland
• *4)Department of Materials Science and Engineering, University of California Berkeley, Berkeley, California 94720, United States
• *5)Research Center for Photovoltaics, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8568, Japan
• *6)MESA+ Institute for Nanotechnology, University of Twente, 7500 AE Enschede, The Netherlands
• THE JOURNAL OF PHYSICAL CHEMISTRY C 2018, 122, 17612-17620

2017: Papers, Journals, Books

1.Effect of pH on Hydrogen Absorption into Steel in Neutral and Alkaline Solutions

• Norihiro Fujimoto*1, Takashi Sawada*1, Eiji Tada*2 and Atsushi Nishikata*2
• *1)NTT Device Technology Labs, NTT Corporation, Atsugi 243-0196, Japan
  *2)Depatment of Materials Science and Engineering, Tokyo Institute of Technology, Tokyo 152-8552, Japan
• Materials Transactions, Vol. 58, No. 2 (2017) pp. 211 to 217

2.Annealing to achieve lower resistivity in Ga-doped ZnO epitaxial films grown from low-temperature aqueous solution

• Masao Miyake*, Shota Inudo, Toshiya Doi, Tetsuji Hirato
• *Graduate School of Energy Science, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan
• Materials Chemistry and Physics 190 (2017) 146e152

3.Hydrogen Embrittlement and Hydrogen-Enhanced Strain-Induced Vacancies in α-Iron

• Y. Matsumoto, N.Kurihara, H.Suzuki, K.Takai
• Y. Matsumoto: Graduate School of Science and Technology, Sophia University, 7-1 Kioi-Cho, Chiyoda-Ku, Tokyo 102-8554
• N. Kurihara: Graduate School of Science and Technology, Sophia University, currently at DNP Ltd., Tokyo, Japan
• H. Suzuki, K. Takai: Faculty of Science and Technology, Department of Engineering and Applied Science, Sophia University, Tokyo, Japan
• The Minerals, Metals Materials Society, TMS 2017 146th Annual Meeting Exhibition Supplemental Proceedings, The Minerals, Metals Materials Series, DOI 10.1007/978-3-319-51493-2_54 571

4.Interplay of annealing temperature and doping in hole selective rear contacts based on silicon-rich silicon-carbide thin films

• Gizem Nogay*1, Josua Stuckelberger*1, Philippe Wyss*1, Esteban Rucavado*1, Christophe Allebé*2, Takashi Koida*3, Monica Morales-Masis*1, Matthieu Despeisse, Franz-Josef Haug*1, Philipp Löper*1 and Christophe Ballif*1*2
• *1)Ecole Polytechnique Fédérale de Lausanne (EPFL), Institute of Microengineering (IMT), Photovoltaics and Thin-Film Electronics Laboratory (PV-lab), 2000 Neuchâtel, Switzerland
• CSEM PV-Center, 2000 Neuchâtel, Switzerland
• Research Center for Photovoltaics, National Institute of Advanced Industrial Science and Technology, 1-1-1 Umezono, Tsukuba 305-8568, Japan
• Solar Energy Materials and Solar Cells 173 (2017) 18-27

2016: Papers, Journals, Books

1.Effects of Porosity and Amount of Surface Hydroxyl Groupe of a Porous TiO2 Layer on the Performance of a CH3NH3PbI3 Perovskite Photovoltaic Cell

• Hasyiya Karimah Adli* ｜Takashi Harada*｜Wilman Septina*｜Shuji Hozan*｜Seigo Ito**｜Shigeru Ikeda*
  *Research Center for Solar Energy Chemistry, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
  **Department of Electric Engineering and Computer Science, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671-2280, Japan
• J. Phys. Chem. C 2015, 119, 22304-22309

2015: Papers, Journals, Books

1.A labile hydride strategy for the synthesis of heavily nitridized BaTiO3

• T.Yajima*1,*2, F.Takeiri*1, K.Aidzu*1, H.Akamatsu*3, K.Fujita*4, W.Yoshimune*1, M.Ohkura*1, S.Lei*3, V.Gopalan*3, K.Tanaka*4, C.Brown*5, Mark A. Green*6, Takafumi Yamamoto*1, Yoji Kobayashi*1 and Hiroshi Kageyama*1*7
• *1,Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan.
  *2,Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba 277-8581, Japan
  *3,Department of Materials Science and Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, USA.
  *4,Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan.
  *5,NIST Center for Neutron Research, National Institute of Standards and Technology, 100 Bureau Drive, MS 6100, Gaithersburg, Maryland 20899-6100, USA.
  *6,School of Physical Sciences, University of Kent, Canterbury, Kent CT2 7NH, UK.
  *7,CREST, Japan Science and Technology Agency, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
• NATURE CHEMISTRY, VOL 7, DECEMBER 2015

2.Flux-Assisted Fabrication of Vertically Aligned Layered Double Hydroxide Plates on in Situ Formed Alumina Particles

• Fumitaka Hayashi†Akemi Shirasaki‡Hajime Wagata‡Hideya Kamikawa§Yoshie Aoki∥Shuji Oishi‡Katsuya Teshima*
• *Center for Energy and Environmental Science, Shinshu University, 4-17-1 Wakasato, Nagano, 380-8553, Japan
  **Department of Environmental Science and Technology, Faculty of Engineering, Shinshu University, 4-17-1 Wakasato, Nagano, 380-8553, Japan
  ***Technology Development Center, TOCLAS Corporation, 1370 Nishiyama-cho, Nishi-ku, Hamamatsu, 432-8001, Japan
  ****Department of Materials Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
• Crystal Grouth & Design 2015, 15, 732-736

3.Light-soaking effects on ZnO-nanorods/polymer hybrid photovoltaics

• Cheahli Leow, Takashi Harada, Toshihiro Ohnishi and Michio Matsumura*
  *Center for Solar Energy  Chemistry, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka  560-8531, Japan.
• RSC Adv., 2015, 5, 22647

4.Effects of Porosity and Amount of Surface Hydroxyl Groups of a Porous TiO2 Layer on the Performance of a CH3NH3PbI3 Perovskite Photovoltaic Cell

• Hasyiya Karimah Adli*, Takashi Harada*, Wilman Septina*, Shuji Hozan*, Seigo Ito**, and Shigeru Ikeda*
• *Research Center for Solar Energy Chemistry, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
  **Department of Electric Engineering and Computer Science, Graduate School of Engineering, University of Hyogo,
  2167 Shosha, Himeji, Hyogo 671-2280, Japan
• The Journal of Physical Chemistry C, 2015, 119, 22304-22309