Papers in 2021

  1. M. Cao, E. Tochigi, R. Imamura, N. Shibata, and Y. Ikuhara, "Ultraviolet light induced hardening in gallium nitride,"
    Journal of the Ceramic Society of Japan, 129[6], 329-31 (2021).

  2. H. J. Cho, Y. Z. Wu, Y. Q. Zhang, B. Feng, M. Mikami, W. Shin, Y. Ikuhara, Y. M. Sheu, K. Saito, and H. Ohta, "Anomalously Low Heat Conduction in Single-Crystal Superlattice Ceramics Lower Than Randomly Oriented Polycrystals,"
    Advanced Materials Interfaces, 8, 2001932(2021).

  3. B. Feng, A. Kumamoto, K. Matsui, M. Tanemura, M. Yoshiya, H. Yoshida, and Y. Ikuhara, "Surface segregation of 3 mol % yttria-doped tetragonal zirconia particle studied by atomic-resolution scanning transmission electron microscopy-energy-dispersive X-ray spectroscopy,"
    Journal of the Ceramic Society of Japan, 129[9], 561-65 (2021).

  4. B. Han, R. Zhu, X. Li, M. Wu, R. Ishikawa, B. Feng, X. Bai, Y. Ikuhara, and P. Gao, "Two-Dimensional Room-Temperature Giant Antiferrodistortive SrTiO3 at a Grain Boundary,"
    Physical Review Letters, 126[22], (2021).

  5. X. Hao, A. Yoko, K. Inoue, Y. Xu, M. Saito, C. Chen, G. Seong, T. Tomai, S. Takami, A.L. Shluger, B. Xu, T. Adschiri, Y. Ikuhara, “Atomistic origin of high-concentration Ce3+ in {100}-faceted Cr-substituted CeO2 nanocrystals",
    Acta Materialia, 203[15], 116473(2021).

  6. X. Hao, S. Zhang, Y. Xu, L. Tang, K. Inoue, M. Saito, S. Ma, CL. Chen, B. Xu, T. Adschiri, Y. Ikuhara, “Surfactant-mediated morphology evolution and self-assembly of cerium oxide nanocrystals for catalytic and supercapacitor applications,"
    Nanoscale, 13, 10393(2021).

  7. JH. Hong, S. Kobayashi, A. Kuwabara, YH. Ikuhara, Y. Fujiwara, Y. Ikuhara, “Defect Engineering and Anisotropic Modulation of Ionic Transport in Perovskite Solid Electrolyte LixLa(1-x)/3NbO3,”
    Molecules, 26, 3559(2021).

  8. K. Inoue, K. Kawahara, M. Saito, M. Kotani, and Y. Ikuhara, "3D arrangement of atomic polyhedra in tilt grain boundaries",
    Acta Materialia, 202, 266-76(2021).

  9. K. Inoue, J.-Y. Roh, K. Kawahara, M. Saito, M. Kotani, and Y. Ikuhara, "Arrangement of polyhedral units for 0001 -symmetrical tilt grain boundaries in zinc oxide,"
    Acta Materialia, 212[15], 116864 (2021).

  10. R. Ishikawa, R. Tanaka, K. Kawahara, N. Shibata, and Y. Ikuhara, "Atomic-Resolution Topographic Imaging of Crystal Surfaces,"
    ACS Nano, 15[5] 9186-93, (2021).

  11. R. Ishikawa, R. Tanaka, S. Morishita, Y. Kohno, H. Sawada, T. Sasaki, M. Ichikawa, M. Hasegawa, N. Shibata, and Y. Ikuhara, "Automated geometric aberration correction for large-angle illumination STEM,"
    Ultramicroscopy, 113410 (2021).

  12. A. Ishizuka, K. Ishizuka, R. Ishikawa, N. Shibata, Y. Ikuhara, H. Hashiguchi, and R. Sagawa, "Improving the depth resolution of STEM-ADF sectioning by 3D deconvolution,"
    Microscopy (Oxford, England), 70[2], 241-49 (2021).

  13. Y. X. Jiang, H. P. Li, T. T. Yao, Y. J. Wang, D. Q. Yin, C. L. Chen, X. L. Ma, H. Q. Ye, and Y. C. Ikuhara, "Spin Polarization-Assisted Dopant Segregation at a Coherent Phase Boundary,"
    Acs Nano, Dec 2021 (Early Access).

  14. T. Katase, X. Y. He, T. Tadano, J. M. Tomczak, T. Onozato, K. Ide, B. Feng, T. Tohei, H. Hiramatsu, H. Ohta, Y. Ikuhara, H. Hosono, and T. Kamiya, "Breaking of Thermopower-Conductivity Trade-Off in LaTiO3 Film around Mott Insulator to Metal Transition,"
    Advanced Science, 2102097(2021).

  15. K. Kawahara, R. Ishikawa, K. Nakayama, N. Shibata, Y. Ikuhara, “Room temperature fluoride ion conductivity in defective β-KSb1-δF4-3δ polycrystals”,
    Journal of Power Sources, 483, 229173(2021).

  16. Y. Kezuka, E. Tochigi, H. Murata, M. Yoshida, A. Nakahira, Y. Ikuhara, and M. Tajika, "Fabrication of calcite-core/Mg-calcite-shell nanorods for better thermal stability,"
    Advanced Powder Technology, 32[7], 2577-84, (2021).

  17. G. Kim, B. Feng, S. Ryu, H. J. Cho, H. Jeen, Y. Ikuhara, and H. Ohta, "Anisotropic Electrical Conductivity of Oxygen-Deficient Tungsten Oxide Films with Epitaxially Stabilized 1D Atomic Defect Tunnels,"
    ACS Applied Materials & Interfaces, 13[5], 6864-69 (2021).

  18. S. Kobayashi, H. Nakamoto, D. Yokoe, A. Kuwabara, T. Abe, and Y. Ikuhara, "Nanoscale Defluorination Mechanism and Solid Electrolyte Interphase of a MgF2 Anode in Fluoride-Shuttle Batteries,"
    ACS Applied Energy Materials, 4[1], 996-1003 (2021).

  19. N. Li, R. Zhu, X. Cheng, H.-J. Liu, Z. Zhang, Y.-L. Huang, Y.-H. Chu, L.-Q. Chen, Y. Ikuhara, P. Gao, P., “Dislocation-induced large local polarization inhomogeneity of ferroelectric materials”,
    Scripta Materialia, 194, 113624(2021).

  20. T. Matsumoto, Y.-G. So, Y. Ikuhara, and N. Shibata, "Direct visualization of nucleation intermediate state of magnetic skyrmion from helical stripes assisted by artificial surface pits,"
    Journal of Magnetism and Magnetic Materials, 531, 167976 (2021).

  21. W. J. Meng, S. Kondo, T. Ito, K. Komatsu, J. Pirillo, Y. Hijikata, Y. Ikuhara, T. Aida, and H. Sato, "An elastic metal-organic crystal with a densely catenated backbone,"
    Nature, 598[7880] 298-+ (2021).

  22. H. Nakade, E. Tochigi, B. Feng, Y. Nezu, H. Ohta, N. Shibata, and Y. Ikuhara, "Fabrication and characterization of tetragonal yttria-stabilized zirconia single-crystalline thin film",
    Journal of the American Ceramic Society, 104[3], 1198-203(2021).

  23. H. Nakade, E. Tochigi, B. Feng, R. Ishikawa, H. Ohta, N. Shibata, Y. Ikuhara, “Effect of annealing on grain growth and Y segregation behavior in tetragonal ZrO2 thin film,”
    Journal of American Ceramic Society, jace18217, 2021.

  24. A. Nakamura, XF. Fang, A. Matsubara, E. Tochigi, Y. Oshima, T. Saito, T. Yokoi, Y. Ikuhara, K. Matsunaga, “Photoindentation: A New Route to Understanding Dislocation Behavior in Light,”
    Nano Letters, 21[5], 1962-1967(2021).

  25. K. Ooe, T. Seki, Y. Ikuhara, N. Shibata, “Ultra-high contrast STEM imaging for segmented/pixelated detectors by maximizing the signal-to-noise ratio”,
    Ultramicroscopy, 220, 113133(2021).

  26. J. A. Quirk, B. Miao, B. Feng, G. Kim, H. Ohta, Y. Ikuhara, and K. P. McKenna, "Unveiling the Electronic Structure of Grain Boundaries in Anatase with Electron Microscopy and First-Principles Modeling,"
    Nano Letters, 21[21] , 9217-23 (2021).

  27. M. Saito, H. P. Li, K. Inoue, H. Matsuhata, and Y. Ikuhara, "Oxygen atom ordering on SiO2/4H-SiC {0001} polar interfaces formed by wet oxidation,"
    Acta Materialia, 221 (2021).

  28. Y. Sasaki, K. Yoshida, T. Kawasaki, A. Kuwabara, Y. Ukyo, and Y. Ikuhara, "In situ electron microscopy analysis of electrochemical Zn deposition onto an electrode",
    Journal of Power Sources, 481, 228831(2021).

  29. Y. Sasaki, K. Yoshida, A. Kuwabara, and Y. Ikuhara, "On-Chip Electrochemical Analysis Combined with Liquid-Phase Electron Microscopy of Zinc Deposition/Dissolution,"
    Journal of the Electrochemical Society, 168[11] (2021).

  30. S. Sasano, R. Ishikawa, G. Sanchez-Santolino, H. Ohta, N. Shibata, Y. Ikuhara, “Atomistic Origin of Li-Ion Conductivity Reduction at (Li3xLa2/3?x)TiO3 Grain Boundary,”
    Nano Letter, 2021.

  31. G. Schusteritsch, R. Ishikawa, A. R. Elmaslmane, K. Inoue, K. P. McKenna, Y. Ikuhara, and C. J. Pickard, "Anataselike Grain Boundary Structure in Rutile Titanium Dioxide,"
    Nano letters, 21[7], 2745-51 (2021).

  32. T. Seki, Y. Ikuhara, and N. Shibata, "Toward quantitative electromagnetic field imaging by differential-phase-contrast scanning transmission electron microscopy,"
    Microscopy, 70[1], 148-60 (2021).

  33. V. Semin, J. Jiang, V. I. Polkin, M. Saito, Y. Ikuhara, and D. V. Louzguine-Luzgin, "Crystallization of Ti-Ni-Cu-(Cr, Fe, Mn) metallic glasses,"
    Journal of Alloys and Compounds, 876[25], 160185(2021).

  34. Y. Takashima, Y. Q. Zhang, J. K. Wei, B. Feng, Y. Ikuhara, H. J. Cho, and H. Ohta, "Layered cobalt oxide epitaxial films exhibiting thermoelectric ZT=0.11 at room temperature,"
    Journal of Materials Chemistry A, 9[1] 274-80 (2021).

  35. A. Tao, T. Yao, Y. Jiang, L. Yang, X. Yan, H. Ohta, Y. Ikuhara, C. Chen, H. Ye, and X. Ma, "Single-Dislocation Schottky Diodes,"
    Nano letters, 21[13], 5586-92 (2021).

  36. E. Tochigi, B. Miao, A.Nakamura, N.Shibataa, Y.Ikuhara, “Atomic-scale mechanism of rhombohedral twinning in sapphire,”
    Acta Materialia, 216, 117137(2021).

  37. J. K. Wei, B. Feng, R. Ishikawa, T. Yokoi, K. Matsunaga, N. Shibata, and Y. Ikuhara, "Direct imaging of atomistic grain boundary migration,"
    Nature Materials, 20, 951-955(2021).

  38. H. Yamahara, B. Feng, M. Seki, M. Adachi, M. S. Sarker, T. Takeda, M. Kobayashi, R. Ishikawa, Y. Ikuhara, Y. S. Cho, and H. Tabata, "Flexoelectric nanodomains in rare-earth iron garnet thin films under strain gradient,"
    Communications Materials, 2[1] (2021).

  39. X. Zhang, G. Kim, Q. Yang, J. Wei, B. Feng, Y. Ikuhara, H. Ohta, “Solid-State Electrochemical Switch of Superconductor-Metal-Insulators”,
    ACS Applied Materials and Interfaces, 13 (45), 54204-54209(2021).

  40. Y. Zhang, H. J. Cho, K. Sugo, M. Mikami, S. Woo, M.-C. Jung, Y.-H. Zhuang, F. Bin, Y.-M. Sheu, W. Shin, W. S. Choi, M. J. Han, Y. Ikuhara, and H. Ohta, "Low thermal conductivity of SrTiO3-LaTiO3 and SrTiO3-SrNbO3 thermoelectric oxide solid solutions,"
    Journal of the American Ceramic Society, 104[8], 4075-85 (2021).

  41. Q. Zheng, TL. Feng, JA. Hachtel, R. Ishikawa, YQ. Cheng, L. Daemen, J. Xing, JC. Idrobo, JQ. Yan, N. Shibata, Y. Ikuhara, BC. Sales, ST. Pantelides, MF. Chi, “Direct visualization of anionic electrons in an electride reveals inhomogeneities,”
    Science Advances, 7[15], eabe6819(2021).