[1] J. P. Buban, T. Mizoguchi, N. Shibata, E. Abe, T. Yamamoto, and
Y. Ikuhara, “Zr segregation and associated Al vacancies in alumina
grain boundaries,” Journal
of the Ceramic Society of Japan, 119[1395],
840-844(2011).
[2] S. Chakraverty, A. Ohtomo, D. Okuyama, M. Saito, M. Okude, R.
Kumai, T. Arima, Y. Tokura, S. Tsukimoto, Y. Ikuhara, and M.
Kawasaki, “Ferrimagnetism and spontaneous ordering of transition
metals in double perovskite La2CrFeO6 films,” Physical
Review B, 84[6],
064436(2011).
[3] S. Chakraverty, M. Saito, S. Tsukimoto, Y. Ikuhara, A. Ohtomo,
and M. Kawasaki, “Magnetic properties of Sr2FeTaO6 double perovskite
epitaxially grown by pulsed-laser deposition,” Applied
Physics Letters, 99[22],
223101 (2011).
[4] S. D. Findlay, S. Azuma, N. Shibata, E. Okunishi, and Y.
Ikuhara, “Direct oxygen imaging within a ceramic interface, with
some observations upon the dark contrast at the grain boundary,” Ultramicroscopy, 111[4],
285-289(2011).
[5] S. D. Findlay, N. R. Lugg, N. Shibata, L. J. Allen, and Y.
Ikuhara, “Prospects for lithium imaging using annular bright field
scanning transmission electron microscopy: A theoretical study,” Ultramicroscopy, 111[8],
1144-1154(2011).
[6] L. Gu, C. Zhu, H. Li, Y. Yu, C. Li, S. Tsukimoto, J. Maier, and
Y. Ikuhara, “Direct Observation of Lithium Staging in Partially
Delithiated LiFePO4 at Atomic Resolution,” Journal
of the American Chemical Society, 133[13],
4661-4663(2011).
[7] X. He, L. Gu, C. Zhu, Y. Yu, C. Li, Y.-S. Hu, H. Li, S.
Tsukimoto, J. Maier, Y. Ikuhara, and X. Duan, “Direct Imaging of
Lithium Ions Using Aberration-Corrected Annular-Bright-Field
Scanning Transmission Electron Microscopy and Associated Contrast
Mechanisms,” Materials
Express, 1[1],
43-50(2011).
[8] H. Hojo, E. Tochigi, T. Mizoguchi, H. Ohta, N. Shibata, B. Feng,
and Y. Ikuhara, “Atomic structure and strain field of threading
dislocations in CeO2 thin films on yttria-stabilized ZrO2,” Applied
Physics Letters, 98[15],
153104 (2011).
[9] R. Huang, T. Hitosugi, S. D. Findlay, C. A. J. Fisher, Y. H.
Ikuhara, H. Moriwake, H. Oki, and Y. Ikuhara, “Real-time direct
observation of Li in LiCoO2 cathode material,” Applied
Physics Letters, 98[5],
051913 (2011).
[10] R. Huang, Y. H. Ikuhara, T. Mizoguchi, S. D. Findlay, A.
Kuwabara, C. A. J. Fisher, H. Moriwake, H. Oki, T. Hirayama, and Y.
Ikuhara, “Oxygen-Vacancy Ordering at Surfaces of Lithium
Manganese(III,IV) Oxide Spinel Nanoparticles,” Angewandte
Chemie-International Edition, 50[13],
3053-3057(2011).
[11] Y. Ikuhara, “Grain boundary atomic structures and light-element
visualization in ceramics: combination of Cs-corrected scanning
transmission electron microscopy and first-principles calculations,” Journal
of Electron Microscopy, 60,
S173-S188(2011).
[12] Y. Ikuhara, and M. Kohyama, “Preface to the special issue on
intergranular and interphase boundaries in materials,” Journal
of Materials Science, 46[12],
4093-4094(2011).
[13] Y. Kezuka, E. Tochigi, N. Shibata, and Y. Ikuhara, “TEM
analysis of dislocation structures formed in the Cr-doped grain
boundary of alumina,” Journal
of the Ceramic Society of Japan, 119[1395],
817-821(2011).
[14] Y. Kezuka, E. Tochigi, N. Shibata, C. Moon, S. Kanehira, K.
Hirao, and Y. Ikuhara, “Formation of a Cr3+-rich luminescent thin
phase along a grain boundary of alpha-Al2O3,” Journal
of the Ceramic Society of Japan, 119[1391],
620-622(2011).
[15] S. Kobayashi, Y. Tokuda, T. Ohnishi, T. Mizoguchi, N. Shibata,
Y. Sato, Y. Ikuhara, and T. Yamamoto, “Cation off-stoichiometric
SrMnO3-delta thin film grown by pulsed laser deposition,” Journal
of Materials Science, 46[12],
4354-4360(2011).
[16] H. S. Lee, S. D. Findlay, T. Mizoguchi, and Y. Ikuhara, “The
effect of vacancies on the annular dark field image contrast of
grain boundaries: A SrTiO3 case study,” Ultramicroscopy, 111[11],
1531-1539(2011).
[17] H. S. Lee, T. Mizoguchi, J. Mistui, T. Yamamoto, S. J. L. Kang,
and Y. Ikuhara, “Defect energetics in SrTiO3 symmetric tilt grain
boundaries,”Physical Review B, 83[10],
104110(2011).
[18] H.-S. Lee, T. Mizoguchi, T. Yamamoto, S.-J. L. Kang, and Y.
Ikuhara, “Characterization and atomic modeling of an asymmetric
grain boundary,” Physical
Review B, 84[19],
195319(2011).
[19] N. R. Lugg, S. D. Findlay, N. Shibata, T. Mizoguchi, A. J.
D'Alfonso, L. J. Allen, and Y. Ikuhara, “Scanning transmission
electron microscopy imaging dynamics at low accelerating voltages,” Ultramicroscopy, 111[8],
999-1013(2011).
[20] T. Matsudaira, S. Kitaoka, N. Shibata, T. Nakagawa, and Y.
Ikuhara, “Mass transfer through a single grain boundary in alumina
bicrystals under oxygen potential gradients,” Journal
of Materials Science, 46[12],
4407-4412(2011).
[21] T. Mitsuma, T. Tohei, N. Shibata, T. Mizoguchi, T. Yamamoto,
and Y. Ikuhara, “Structures of a Sigma=9, 110 /{221} symmetrical
tilt grain boundary in SrTiO3,” Journal
of Materials Science, 46[12],
4162-4168(2011).
[22] T. Mizoguchi, H. Ohta, H.-S. Lee, N. Takahashi, and Y. Ikuhara,
“Controlling Interface Intermixing and Properties of SrTiO3-Based
Superlattices,” Advanced
Functional Materials, 21[12],
2258-2263(2011).
[23] T. Mizuno, Y. Nagao, A. Yoshikawa, K. Koumoto, T. Kato, Y.
Ikuhara, and H. Ohta, “Electric field thermopower modulation
analysis of an interfacial conducting layer formed between Y2O3 and
rutile TiO2,” Journal
of Applied Physics, 110[6],
063719 (2011).
[24] C. M. Montesa, N. Shibata, T. Tohei, and Y. Ikuhara, “TEM
observation of liquid-phase bonded aluminum-silicon/aluminum nitride
hetero interface,” Journal
of Materials Science, 46[12],
4392-43962011).
[25] C. Moon, S. Kanehira, K. Miura, E. Tochigi, N. Shibata, Y.
Ikuhara, and K. Hirao, “Morphology change from nanocrack into
periodic pore array formed by femtosecond laser pulses,” Journal
of Applied Physics, 109[1],
013517 (2011).
[26] T. Nakagawa, A. Nakamura, I. Sakaguchi, N. Shibata, T.
Mizoguchi, T. Yamamoto, H. Haneda, N. Ohashi, and Y. Ikuhara,
“Cation diffusion along basal dislocations in sapphire,” Acta
Materialia, 59[3],
1105-1111(2011).
[27] T. Nakagawa, H. Nishimura, I. Sakaguchi, N. Shibata, K.
Matsunaga, T. Yamamoto, and Y. Ikuhara, “Grain boundary character
dependence of oxygen grain boundary diffusion in alpha-Al2O3
bicrystals,” Scripta
Materialia, 65[6],
544-547(2011).
[28] K. Nakamura, T. Mizoguchi, N. Shibata, K. Matsunaga, T.
Yamamoto, and Y. Ikuhara, “First-principles sliding simulation of
Al-terminated Sigma 13 pyramidal twin grain boundary in alpha-Al2O3
(vol 90, pg 159, 2010),” Philosophical
Magazine Letters, 91[9],
561-562(2011).
[29] K. Nakamura, T. Mizoguchi, N. Shibata, K. Matsunaga, T.
Yamamoto, and Y. Ikuhara, “Erratum: First-principles study of grain
boundary sliding in alpha-Al2O3 (vol 75, 184109, 2007),” Physical
Review B, 84[5],
059903(2011).
[30] H. Ogino, Y. Shimizu, N. Kawaguchi, K. Kishio, J.-i. Shimoyama,
T. Tohei, and Y. Ikuhara, “A new iron pnictide oxide
(Fe2As2)(Ca-5(Mg, Ti)(4)O-y) and a new phase in the Fe-As-Ca-Mg-Ti-O
system,” Superconductor
Science & Technology, 24[8],
085020(2011).
[31] Y. Sato, T. Hirayama, and Y. Ikuhara, “Real-Time Direct
Observations of Polarization Reversal in a Piezoelectric Crystal:
Pb(Mg1/3Nb2/3)O-3-PbTiO3 Studied via In Situ Electrical Biasing
Transmission Electron Microscopy,” Physical
Review Letters, 107[18],
187601(2011).
[32] I. Sugiyama, M. Goto, T. Taniuchi, F. Shirase, T. Tanase, K.
Okada, Y. Ikuhara, and T. Yamamoto, “Blunt corners of WC grains
induced by lowering carbon content in WC-12mass%Co cemented
carbides,” Journal of
Materials Science, 46[12],
4413-4419(2011).
[33] E. Tochigi, N. Shibata, A. Nakamura, T. Yamamoto, and Y.
Ikuhara, “Dislocation structures in a {(1)over-bar104}/<
11(2)over-bar0 > low-angle tilt grain boundary of alumina
(alpha-Al2O3),” Journal
of Materials Science, 46[12],
4428-4433(2011).
[34] Y. Tokuda, S. Kobayashi, T. Ohnishi, T. Mizoguchi, N. Shibata,
Y. Ikuhara, and T. Yamamoto, “Growth of Ruddlesden-Popper type
faults in Sr-excess SrTiO3 homoepitaxial thin films by pulsed laser
deposition,” Applied
Physics Letters, 99[17],
173109 (2011).
[35] Y. Tokuda, S. Kobayashi, T. Ohnishi, T. Mizoguchi, N. Shibata,
Y. Ikuhara, and T. Yamamoto, “Strontium vacancy clustering in
Ti-excess SrTiO3 thin film,” Applied
Physics Letters, 99[3],
033110 (2011).
[36] Z. Wang, M. Saito, K. P. McKenna, L. Gu, S. Tsukimoto, A. L.
Shluger, and Y. Ikuhara, “Atom-resolved imaging of ordered defect
superstructures at individual grain boundaries,” Nature, 479[7373],
380-383(2011).
[37] Z. Wang, M. Saito, S. Tsukimoto, and Y. Ikuhara,
“Heterointerfaces: atomic structures, electronic states, and related
properties,” Journal
of the Ceramic Society of Japan, 119[1395],
783-793(2011).
[38] Z. Wang, S. Tsukimoto, R. Sun, M. Saito, and Y. Ikuhara,
“Atomic-scale Ti3SiC2 bilayers embedded in SiC: Formation of point
Fermi surface,” Applied
Physics Letters, 98[10],
104101 (2011).
[39] Y. Yamada, K. Ueno, T. Fukumura, H. T. Yuan, H. Shimotani, Y.
Iwasa, L. Gu, S. Tsukimoto, Y. Ikuhara, and M. Kawasaki,
“Electrically Induced Ferromagnetism at Room Temperature in
Cobalt-Doped Titanium Dioxide,” Science, 332[6033],
1065-1067(2011).
[40] S. Zheng, R. Huang, Y. Makimura, Y. Ukyo, C. A. J. Fisher, T.
Hirayama, and Y. Ikuhara, “Microstructural Changes in
LiNi0.8Co0.15Al0.05O2 Positive Electrode Material during the First
Cycle,” Journal of the
Electrochemical Society, 158[4],
A357-A362(2011).