Bin Feng (馮　斌)




Yayoi 2-11-16, Bunkyo-ku, Tokyo, Japan, 113-8656
Phone +81-3-5841-7689
Fax +81-3-5841-7694
mail: feng@sigma.t.u-tokyo.ac.jp



Contents

  • Profile
  • Research
  • Publication list




    • Profile



  • 2008, B.E., Harbin Institute of Technology, China
  • 2011, M.S., The University of Tokyo, Japan
  • 2014, Ph.D., The University of Tokyo, Japan (JSPS,DC2)
  • 2014-2017, Postdoc, The University of Tokyo, Japan
  • 2017-2020, Assistant Professor, The University of Tokyo, Japan
  • 2020-, Project Associated Professor, The University of Tokyo, Japan




    • Research



    Structure, chemistry and properites of grain boundaries

    Defects and interfaces in oxide materials

    Atomic resolution STEM-EDS

    ZrO2 ceramics





    Publication list



    Publication

    1. H. Cho, Y. Wu, Z. Zhang, B. Feng, M. Mikami, W. Shin, Y. Ikuhara, Y. Sheu, K.Saito and H. Ohta. Anomalously low heat conduction in single-crystal superlattice ceramics lower than randomly oriented polycrystals. Adv. Mater. Interface (2021)

    2. G. Kim, B. Feng, R. Sangkyun, H. 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 Appl. Mater. Interface. (2021)

    3. J. Wei, B. Feng*, T. Yokoi, K. Matsunaga, N. Shibata and Y. Ikuhara. Direct imaging of atomistic grain boundary migration. Nature Materials (2021)

    4. D. Liang, B. Chen, B. Feng, Y. Ikuhara, H.Cho and 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 Appl. Nano Mater. (2020)

    5. Y. Takashima, Y. Zhang, J. Wei, B. Feng, Y. Ikuhara, H. Cho and H. Ohta. Layered cobalt oxide epitaxial films exhibiting thermoelectric ZT = 0.11 at room temperature. Journal of Materials Chemistry A (2020)

    6. 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 (2020)

    7. 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 (2020)

    8. G. Kim, B. Feng, Y. Sheu, H. Cho, Y. Ikuhara, and H. Ohta. Coexistence of high electron conduction and low heat conduction in tungsten oxide expitaxial films with 1D atomic defect tunnels. ACS Applied Electronic Materials (2020)

    9. Q. Yang, J. Lee, B. Feng, Y. Ikuhara, G. Kim, H. Cho, H. Jeen and H. Ohta. Unusually large thermopower change from +330 to -185 μVK-1 of Brownmillerite SrCoO2.5. ACS Applied Electronic Materials (2020)

    10. J. 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 (2020)

    11. P. Wu, H. Song, Y. Yuan, B. Feng, Y. Ikuhara, R. Huang, P. Yu, C. Duan and Y. Chu. Thickness dependence of transport behaviors in SrRuO3/SrTiO3 superlattice. Physical Review Materials (2020)

    12. M. Wei, A. Sanchela, B. Feng, Y. Ikuhara, H. Cho,and H. Ohta.High electrical conducting deep ultraviolet-transparent oxide semiconductor La-doped SrSnO3 exceeding ~3000 Scm-1. Applied Physics Letters (2020)

    13. H. Cho,B. Feng, T. Onozato, M. Wei, A. Sanchela, Y. Ikuhara and H. Ohta. Investigation of electrical and thermal transport property reductions in La-doped BaSnO3 films. Physical Review Materials (2019)

    14. A. Sanchela, H. Cho, M. Wei, G. Kim, H. Jeen,B. Feng, Y. Ikuhara and H. Ohta. Buffer layer-less fabrication of high-mobility transparent oxide semiconductor, La-doped BaSnO3. Journal of Materials Chemistry C (2019)

    15. B. Feng, R. Ishikawa, A. Kumamoto, N. Shibata and Y.Ikuhara. Atomic scale origin of enhanced ionic conductivity at crystal defects. Nano Letters (2019)

    16. B. Miao, S. Kondo, E. Tochigi, J. Wei, B. Feng, N. Shibata and Y.Ikuhara. The core structure of 60o mixed basal dislocation in alumina (α-Al2O3) introduced by TEM nanoindentation. Scripta Materialia (2019).

    17. Y. Guo, A. Inoue, Y. Han, F. Kong, B. Feng, S. Zhu and Y. Ikuhara. Influence of Ag replacement on the formation and heating-induced phase decomposition of Zr65Al7.5Co27.5-xAgx (x=5 to 20 at%) glassy alloys. Journal of Alloys and Compounds (2019).

    18. J. Tam, B. Feng, Y.Ikuhara, H. Ohta and U. Erb. Crystallography orientation-surface energy-wetting property relationships of rare earth oxides. Journal of Materials Chemistry A (2018)

    19. P. Gao, S. Yang, R. Ishikawa, N. Li, B. Feng, A. Kumamoto, N. Shibata, P. Yu and Y.Ikuhara. “Atomic-scale measurement of flexoelectric polarization at SrTiO3 dislocations”.Physical Review Letters (2018)

    20. Y. Zhang, B. Feng, H. Hayashi, C. Chang, Y. Sheu, I. Tanaka, Y.Ikuhara and H. Ohta. “Double thermoelectric power factor of a 2D electron system”.Nature Communications (2018)


    21. B. Feng, N. Lugg, A. Kumamoto, N.Shibata and Y.Ikuhara. “On the quantitativeness of grain boundary chemistry using STEM EDS: A ZrO2 Σ9 model grain boundary case study”.Ultramicroscopy (2018)


    22. A. Sanchela, M. Wei, H.Zensyo, B. Feng, J. Lee, G. Kim, H.Jeen, Y.Ikuhara and H. Ohta. “Large thickness dependence of the carrier mobility in a transparent oxide semiconductor, La-doped BaSnO3”.Applied Physics Letters (2018)


    23. J. Yu, Q. Cao, B. Feng, C. Li, J. Liu, J. Clark and J. Delaynay. “Insights into the efficiency and stability of Cu-based nanowires for electrocatalytic oxygen evolution”.Nano Research (2018)


    24. B. Feng, N. Lugg, A.Kumamoto, Y. Ikuhara and N. Shibata. “Direct observation of oxygen vacancy distribution across yttria-stabilized zirconia grain boundaries”.ACS Nano (2017)


    25. P. Gao, R. Ishikawa, B. Feng, A.Kumamoto, N. Shibata and Y. Ikuhara. “Atomic-scale structure relaxation, chemistry and charge distribution of dislocation cores in SrTiO3”.Ultramicroscopy (2018)


    26. A. Sanchela, T. Onozato, B. Feng, Y. Ikuhara and H. Ohta. “Thermopower modulation clarification of the intrinsic effective mass in transparent oxide semiconductor BaSnO3”.Physical Review Materials (2017)


    27. Y. Zhang, B. Feng, H. Hayashi, T. Tohei, I. Tanaka, Y. Ikuhara and H. Ohta. “Thermoelectric phase diagram of the SrTiO3-SrNbO3 solid solution system”.Journal of Applied Physics (2017)


    28. P. Gao, Y. Zhang, M. Li, E. Ishikawa, B. Feng, H. Liu, Y. Huang, N. Shibata, X. Ma, S. Chen, J. Zhang, K. Liu, E. Wang, D. Yu, L. Liao, Y. Chu and Y. Ikuhara. “Possible absence of critical thickness and size effect in ultrathin perovskite ferroelectric films”. Nature Communications (2017).


    29. S. Katayama, T. Katase, T. Tohei, B. Feng, Y. Ikuhara and H. Ohta. “Reactive solid-phase epitaxy and electrical conductivity of layered sodium manganese oxide films”. Crystal Growth & Design (2017)


    30. K. Inoue, B. Feng, N. Shibata, M. Kotani and Y. Ikuhara. “Structure of <110>-tilt boundaries in cubic zirconia”. Journal of Materials Science (2017)


    31. P. Gao, HJ. Liu, YL. Huang, YH. Chu, R. Ishikawa, B. Feng, Y. Jiang, N. Shibata, E. Wang and Y. Ikuhara. Atomic mechanism of polarization-controlled surface reconstruction in ferroelectric thin films. Nature Communications (2016)


    32. B. Feng, T. Yokoi, A. Kumamoto, M. Yoshiya, Y. Ikuhara and N. Shibata. Atomically ordered solute segregation behaviour in an oxide grain boundary. Nature Communications (2016)


    33. B. Feng, I. Sugiyama, H. Hojo, H. Ohta, N. Shibata and Y. Ikuhara. Atomic structures and oxygen dynamics of CeO2 grain boundaries. Scientific Reports (2016)


    34. B. Feng, H. Hojo, T. Mizoguchi, H. Ohta, S.D. Findlay, Y. Sato, N. Shibata, T. Yamamoto and Y. Ikuhara. Atomic structure of a Σ3 [110]/(111) grain boundary in CeO2. Applied Physics Letters (2012)


    35. 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 (2011)


    36. J.N. Wang, W.L. L, B. Feng, C.Q. Liu, X.L. Li, Q. Sun and W.D. Fei. Residual stress of Pb(ZrxTi1−x)O3 films with mixed textures. Journal of Alloys and Compounds (2010)


    37. Q.G. Chi, W.L. Li, W.D. Fei, S.C. Xu and B. Feng. Phase compositions and ferroelectric properties of Pb(Zr-0.52,Ti-0.48)O-3 thin films with different highly orientations prepared by a sol-gel route. Applied Surface Science (2010)


    38. Q.G. Chi, W.L. Li, B. Feng, C.Q. Liu, and W.D. Fei. Low-temperature crystallization and orientation evolution of Nb-doped Pb(Zr,Ti)O3 thin films using a Pb0.8Ca0.1La0.1Ti0.975O3 seed layer. Scripta Materialia (2009)



    Conference Proceedings

    1. B. Feng, T. Yokoi, A. Kumamoto, M. Yoshiya, Y. Ikuhara and N. Shibata. "Direct visualization of the grain boundary solute segregation in oxide material at atomic resolution using STEM-EDS" Microscopy and Microanalysis, 22, Suppl. S3 (2016)

    2. NR. Lugg, A. Kumamoto, R. Ishikawa, B. Feng, G. Kothleitner, N. Shibata and Y. Ikuhara. "Atomic-resolution composition mapping in EDS STEM" Microscopy and Microanalysis, 22, Suppl. S3 (2016)

    3. B. Feng, T. Yokoi, A. Kumamoto, M. Yoshiya, Y. Ikuhara and N. Shibata. "Atom-resolved STEM-EDS study of solute segregation behavior in an yttria-stabilized zirconia grain boundary" AMTC Letters, 5 (2016)

    4. B. Feng, A. Kumamoto, NR. Lugg, N. Shibata and Y. Ikuhara. "Atomic-resolution STEM-EDS mapping of grain boundary solute segregation in yttria-stabilized zirconia" Microscopy and Microanalysis, 21, Suppl. S3 (2015)

    5. NR. Lugg, G. Kothleitner, B. Feng, N. Shibata and Y. Ikuhara. "What does quantitative mean in atomic-resolution EDS STEM" Microscopy and Microanalysis, 21, Suppl. S3 (2015)

    6. B. Feng, H. Hojo, Y. Sato, H. Ohta, N. Shibata and Y. Ikuhara. "Atomic structure and energetics of oxygen vacancy in CeO2 grain boundaries" AMTC Letters, 4 (2014)



    Awards

    1. 中国電子顕微鏡学会優秀発表賞，2019年10月15日
    2. 第1回物質・デバイス共同研究賞，2019年4月23日
    3. 第28回日本金属学会奨励賞「組織部門」,2018年9月19日
    4. 第67回日本金属学会金属組織写真賞, 2017.03
    5. Microscopy & Microanalysis Postdoctoral Scholar Awards, 2016.07
    6. Award for Encouragement of Research in Thin Films. The 15th International Conference on Thin Films (ICTF-15), 2011.11
    7. Best presentation award. JSPS Asian Core Program, 7th TU-SNU-UT workshop, 2011,10,
    8. 第12回結晶界面研究会優秀発表賞(2012年9月)
    9. The University of Tokyo Fellowship (2011.10-2013.3)