Papers in 2020

  1. S. Bhat, A. Lale, S. Bernard, W. Zhang, R. Ishikawa, S. Haseen, P. Kroll, L. Wiehl, R. Farla, T. Katsura, Y. Ikuhara, and R. Riedel, "Discovery of Ternary Silicon Titanium Nitride with Spinel-Type Structure,"
    Scientific Reports, 10[1], 7372(2020).

  2. T. Futazuka, R. Ishikawa, N. Shibata, and Y. Ikuhara, "First-principles calculations of group IIA and group IV impurities in alpha-Al2O3,"
    Physical Review Materials, 4[7], 073602(2020).

  3. G. Hasegawa, Y. Akiyama, M. Tanaka, R. Ishikawa, H. Akamatsu, Y. Ikuhara, and K. Hayashi, "Reversible Electrochemical Insertion/Extraction of Magnesium Ion into/from Robust NASICON-Type Crystal Lattice in a Mg(BF4)(2)-Based Electrolyte,"
    ACS Applied Energy Materials, 3[7] 6824-33 (2020).

  4. Y. Ikuhara, "Grain boundary functions as a spin valve",
    National Science Review, 7[7], 1148-49 (2020).

  5. S. Ishihara, E. Tochigi, R. Ishikawa, N. Shibata, Y. Ikuhara, "Atomic structures of Ti‐doped α‐Al2O3 Σ13 grain boundary with a small amount of Si impurity,"
    Jounal of American Ceramic Society, 103, 6659–6665(2020).

  6. R. Ishikawa, Y. Jimbo, M. Terao, M. Nishikawa, Y. Ueno, S. Morishita, M. Mukai, N. Shibata, and Y. Ikuhara, "High spatiotemporal-resolution imaging in the scanning transmission electron microscope",
    Microscopy, 69[4] 240-47 (2020).

  7. R. Ishikawa, N. Shibata, T. Taniguchi, and Y. Ikuhara, "Three-Dimensional Imaging of a Single Dopant in a Crystal,"
    Physical Review Applied, 13[3], 034064(2020).

  8. T. Kato, R. Yoshida, D. Yokoe, K. Ohki, T. Nagaishi, Y. Yanagisawa, T. Hirayama, Y. Ikuhara, and H. Maeda, "Nanostructural evolution of intermediate grown superconducting joint layers between GdBa(2)Cu(3)O(y)coated conductors",
    Superconductor Science & Technology, 33[10], 105008(2020).

  9. D. W. Kim, N. Zettsu, H. Shiiba, G. Sanchez-Santolino, R. Ishikawa, Y. Ikuhara, and K. Teshima, "Metastable oxysulfide surface formation on LiNi0.5Mn1.5O4 single crystal particles by carbothermal reaction with sulfur-doped heterocarbon nanoparticles: new insight into their structural and electrochemical characteristics, and their potential applications",
    Journal of Materials Chemistry A, 8[42] 22302-14 (2020).

  10. G. Kim, B. Feng, Y. M. Sheu, H. J. Cho, Y. Ikuhara, and H. Ohta, "Coexistence of High Electron Conduction and Low Heat Conduction in Tungsten Oxide Epitaxial Films with 1D Atomic Defect Tunnels",
    ACS Applied Electronic Materials, 2[8] 2507-13 (2020).

  11. S. Kobayashi, A. Kuwabara, C. A. J. Fisher, and Y. Ikuhara, "Atomic-Scale Analysis of Biphasic Boundaries in the Lithium-Ion Battery Cathode Material LiFePO4",
    Applied Energy Materials, 3[8] 8009-16 (2020).

  12. DD. Liang, BJ. Chen, B. Feng, Y. Ikuhara, HJ. Cho, H. Ohta, “Optimization of Two-Dimensional Channel Thickness in Nanometer-Thick SnO2-Based Top-Gated Thin-Film Transistors Using Electric Field Thermopower Modulation: Implications for Flat-Panel Displays,”
    ACS Applied Nano Materials, 3[12], 12427-12432(2020).

  13. T. Makita, S. Kumagai, A. Kumamoto, M. Mitani, J. Tsurumi, R. Hakamatani, M. Sasaki, T. Okamoto, Y. Ikuhara, S. Watanabe, J. Takeya, “High-performance, semiconducting membrane composed of ultrathin, single-crystal organic semiconductors,”
    Proceedings of the Nationl Academy of Sciences of the United States of America, 117[1], 80-85(2020).

  14. Y. O. Murakami, T. Seki, A. Kinoshita, T. Shoji, Y. Ikuhara, N. Shibata, "Magnetic-structure imaging in polycrystalline materials by specimen-tilt series averaged DPC STEM,"
    Microscopy, 69[5], 312-320(2020).

  15. H. Nakade, E. Tochigi, B. Feng, Y. Nezu, H. Ohta, N. Shibata, Y. Ikuhara, “Fabrication and characterization of tetragonal yttria-stabilized zirconia single-crystalline thin film,"
    Journal of the American Ceramic Society, 104[3], 1198-1203(2020).

  16. K. Nakayama, R. Ishikawa, S. Kobayashi, N. Shibata, Y. Ikuhara, "Dislocation and oxygen-release driven delithiation in Li2MnO3,"
    Nature Communications, 11, 4452(2020).

  17. M. Nakayama, S. Kajiyama, A. Kumamoto, Y. Ikuhara, and T. Kato, "Bioinspired selective synthesis of liquid-crystalline nanocomposites: formation of calcium carbonate-based composite nanodisks and nanorods,"
    Nanoscale Advances, 2[6] 2326-32 (2020).

  18. S. Ogawa, Y. Ogino, M. Yonemura, T. Fukunaga, H. Kiuchi, K. Nakayama, R. Ishikawa, Y. Ikuhara, Y. Doi, K. Suzuki, M. Saito, and T. Motohashi, "Synthesis of Novel Melilite-Type Iron/Cobalt Oxides and Their Oxygen Evolution Reaction Electrocatalytic Activity",
    Chemistry of Materials, 32[16], 6847-54(2020).

  19. J. T. Okada, P. H. L. Sit, R. Ishikawa, T. Ishikawa, J. F. Chen, K. S. Nakayama, K. Maeda, Y. Yokoyama, Y. Watanabe, P. F. Paradis, S. Nanao, Y. Ikuhara, K. Kimura, and S. Uda, "Phase relation between supercooled liquid and amorphous silicon,"
    Applied Physics Letters, 116[9], 093705(2020).

  20. S. Sasano, R. Ishikawa, K. Kawahara, T. Kimura, Y. H. Ikuhara, N. Shibata, and Y. Ikuhara, "Grain boundary Li-ion conductivity in (Li0.33La0.56)TiO3 polycrystal,"
    Applied Physics Letters, 116[4], 043901(2020).

  21. S. Toyama, T. Seki, S. Anada, H. Sasaki, K. Yamamoto, Y. Ikuhara, N. Shibata, "Quantitative electric field mapping of a p–n junction by DPC STEM,"
    Ultramicroscopy, 216, 113033(2020)

  22. J. K. Wei, T. Ogawa, B. Feng, T. Yokoi, R. Ishikawa, A. Kuwabara, K. Matsunaga, N. Shibata, and Y. Ikuhara, "Direct Measurement of Electronic Band Structures at Oxide Grain Boundaries,"
    Nano Letters, 20[4] 2530-36 (2020).

  23. M. Wei, A. V. Sanchela, B. Feng, Y. Ikuhara, H. J. Cho, and H. Ohta, "High electrical conducting deep-ultraviolet-transparent oxide semiconductor La-doped SrSnO3 exceeding similar to 3000 S cm(-1),"
    Applied Physics Letters, 116[2], 022103(2020).

  24. P. C. Wu, H. L. Song, Y. Yuan, B. Feng, Y. Ikuhara, R. Huang, P. Yu, C. G. Duan, and Y. H. Chu, "Thickness dependence of transport behaviors in SrRuO3 /SrTiO3 superlattices,"
    Physical Review Materials, 4[1], 014401(2020).

  25. R. Xiang, T. Inoue, Y. J. Zheng, A. Kumamoto, Y. Qian, Y. Sato, M. Liu, D. M. Tang, D. Gokhale, J. Guo, K. Hisama, S. Yotsumoto, T. Ogamoto, H. Arai, Y. Kobayashi, H. Zhang, B. Hou, A. Anisimov, M. Maruyama, Y. Miyata, S. Okada, S. Chiashi, Y. Li, J. Kong, E. I. Kauppinen, Y. Ikuhara, K. Suenaga, and S. Maruyama, "One-dimensional van der Waals heterostructures,"
    Science, 367[6477], 537-542(2020).

  26. C. Yang, B. Feng, J. Wei, E. Tochigi, S. Ishihara, N. Shibata, and Y. Ikuhara, "Atomic and electronic band structures of Ti-doped Al2O3 grain boundaries",
    Acta Materialia, 201, 488-93(2020).

  27. Q. Yang, J. Lee, B. Feng, Y. Ikuhara, G. Kim, H. J. Cho, H. Jeen, and H. Ohta, "Unusually Large Thermopower Change from +330 to -185 mu V K-1 of Brownmillerite SrCoO2.5",
    ACS Applied Electronic Materials, 2[7], 2250-2256(2020).

  28. T. T. Yao, Y. X. Jiang, C. L. Chen, X. X. Yan, A. Tao, L. X. Yang, K. Sugo, H. Ohta, H. Q. Ye, Y. Ikuhara, and X. L. Ma, "Ferroelectric Oxide Thin Film with an Out-of-Plane Electrical Conductivity,"
    Nano Letters, 20[2], 1047-1053(2020).

  29. K. Yoshida, T. Kawasaki, A. Kuwabara, Y. Ukyo, and Y. Ikuhara, "In situ electron microscopic observation of electrochemical Li-intercalation into MoS2",
    Solid State Ionics, 357, 115488(2020).

  30. K. Yoshida, Y. Sugawara, M. Saitoh, K. Matsumoto, R. Hagiwara, Y. Matsuo, A. Kuwabara, Y. Ukyo, and Y. Ikuhara, "Microscopic characterization of the C-F bonds in fluorine-graphite intercalation compounds,"
    Journal of Power Sources, 445, 227320(2020).

  31. C. Zhou, A. Ott, R. Ishikawa, Y. Ikuhara, R. Riedel, and E. Ionescu, "Single-source-precursor synthesis and high-temperature evolution of novel mesoporous SiVN(O)-based ceramic nanocomposites",
    Journal of the European Ceramic Society, 40[16], 6280-6287(2020).

  32. J. Zhu, R. Osuga, R. Ishikawa, N. Shibata, Y. Ikuhara, J. N. Kondo, M. Ogura, J. H. Yu, T. Wakihara, Z. D. Liu, and T. Okubo, "Ultrafast Encapsulation of Metal Nanoclusters into MFI Zeolite in the Course of Its Crystallization: Catalytic Application for Propane Dehydrogenation,"
    Angewandte Chemie-International Edition, 59, 19669-19674(2020).

  33. R. J. Zhu, Z. M. Wang, Z. X. Cheng, X. L. Guo, T. Zhang, Z. L. Cai, H. Kimura, T. Matsumoto, N. Shibata, and Y. Ikuhara, "Composition gradient (1-x)Ba(Zr0.2Ti0.8)O-3-(x)(Ba0.7Ca0.3)TiO3 film with improved dielectric, piezoelectric and ferroelectric temperature stability,"
    Ceramics International, 46[12] 20284-90 (2020).

  34. R. J. Zhu, Z. M. Wang, Q. Z. Yao, Q. Y. Li, Z. X. Cheng, X. L. Guo, T. Zhang, X. S. Li, H. Kimura, T. Matsumoto, N. Shibata, and Y. Ikuhara, "Thickness-dependent frictional behavior of topological insulator Bi2Se3 nanoplates,"
    Applied Physics a-Materials Science & Processing, 126[4], 285(2020).