H Ishida, R Arafune, N Takagi, "First-principles calculation of the graphene Dirac band on semi-infinite Ir(111)", Physical Review B 102, 195425 (2020)
*Z. Ni, *E. Minamitani1, K. Kawahara, R. Arafune, C.-L. Lin, N. Takagi, S. Watanabe, “Mechanically tunable spontaneous vertical charge redistribution in few-layer WTe2”, J. Phys. Chem. C 124, 2008-2012 (2019).
N. Sumi, *Y. Yamada, M. Sasaki, R. Arafune, N. Takagi, S. Yoshizawa, and T. Uchihashi, “Unsubstituted and fluorinated copper phthalocyanine overlayers on Si(111)-(√7×√3)-In surface: adsorption geometry, charge polarization, and effects on superconductivity”, J. Phys. Chem. C123, pp.8951-8958 (2019)
*E. Minamitani, N. Takagi, R. Arafune, T. Frederiksen, T. Komeda, H. Ueba, S. Watanabe, “Inelastic electron tunneling spectroscopy by STM for phonons at solid surfaces and interfaces ", Prog. Surf. Sci. 93, pp.131-145 (2018).
N. Kawakami, C.-L. Lin, K. Kawahara, M. Kawai1, R. Arafune, *N. Takagi, “Structural Evolution of Bi Thin Films on Au(111) Revealed by Scanning Tunneling Microscopy”, Phys. Rev. B 96, 205402 (2017).
C.-L. Lin, R. Arafune, R.-Y. Liu, M. Yoshimura, B. Feng, K. Kawahara, Z. Ni, E. Minamitani, S. Watanabe, Y. Shi, M. Kawai, T.-C. Chiang, I. Matsuda, *N. Takagi, “Visualizing Type-II Weyl Points in Tungsten Ditelluride by Quasiparticle Interference”, ACS Nano 11, 11459 (2017).
R. Hiraoka, C.-L. Lin, K. Nakamura, R. Nagao, M. Kawai, R. Arafune, *N. Takagi, “Transport Characteristics of a Silicene Nanoribbon on Ag(110)”, Beilstein J. Nanotechnol. 8, 1699 (2017).
R. Hiraoka, *E. Minamitani, R. Arafune, N. Tsukahara, S. Watanabe, M. Kawai, *N. Takagi, “Single Molecule Quantum Dot as a Kondo Simulator”, Nat. Commun. 8, 16012 (2017).
K. Kawahara, Z. Ni, R. Arafune, T. Shirasawa, C.-L. Lin, E. Minamitani, S. Watanabe, M. Kawai, *N. Takagi, “Surface Structure of Novel Semimetal WTe2”, Appl. Phys. Express 10, 045702 (2017).
*R. Arafune, T. Nakazawa, N. Takagi, M. Kawai, H. Ishida, Comment on “Rashba Spin-Orbit Coupling in Image Potential States”, Phys. Rev. Lett. 117, 239701 (2016).
*E. Minamitani, N. Takagi, S. Watanabe, “Model Hamiltonian Approach to Magnetic Anisotropy of Iron Phthalocyanine on Solid Surface”, Phys. Rev. B 94, 205402 (2016).
T. Nakazawa, N. Takagi, M. Kawai, H. Ishida, *R. Arafune, “Rashba Splitting in Image Potential State Investigated Using Circular Dichroism Two-Photon Photoemission Spectroscopy”, Phys. Rev. B 94, 115412 (2016).
*T. Nakazawa, R. Arafune, N. Takagi, M. Kawai, “Linewidth Analysis of Image Potential States on Noble Metal Surfaces with High-Energy Resolved Two-Photon Photoemission Spectroscopy”, Surf. Interf. Anal. 48, pp.1194-1198 (2016).
K. Kawahara, T. Shirasawa, C.-L. Lin, R. Nagao, N. Tsukahara, T. Takahashi, R. Arafune, M. Kawai, *N. Takagi, “Determination of the Geometric Structure of “Multilayer Silicene” Grown on Ag(111) by Dynamical Low Energy Electron Diffraction and Scanning Tunneling Microscopy”, Surf. Sci. 651, 70 (2016).
C.-L. Lin, T. Hagino, Y. Ito, K. Kawahara, R. Nagao, M. Aoki, S. Masuda, R. Arafune, M. Kawai, *N. Takagi, “Spectroscopic Identification of Ag-Terminated “Multilayer Silicene” Grown on Ag(111)”,J. Phys. Chem. C 120, 6689 (2016).
*E. Minamitani, R. Arafune, N. Tsukahara, Y. Ohda, S. Watanabe, M. Kawai, H. Ueba, N. Takagi, “Surface Phonon Excitation on Clean Metal Surfaces in Scanning Tunneling Microscopy”, Phys. Rev. B 94, 205402 (2016).
N. Tsukahara, M. Kawai, *N. Takagi, “Impact of Reduced Symmetry on Magnetic Anisotropy of a Single Iron Phthalocyanine Molecule on a Cu Substrate”,J. Chem. Phys. 144, 044701 (2016). (selected as a 2016 Editors’ Choice article)
N. Kawakami, C.-L. Lin, M. Kawai, R. Arafune, *N. Takagi, “One-Dimensional Edge State of Bi Thin Film Grown on Si(111)”, Appl. Phys. Lett. 107, 031602 (2015).
K. Kawahara, R. Arafune, M. Kawai, *N. Takagi, “Pragmatic Application of Abstract Algebra to Two-Dimensional Lattice Matching”, e-J. Surf. Sci. Nanotech. 13, 361 (2015).
C.-L. Lin, R. Arafune, M. Kawai, *N. Takagi, “Comparison between Electronic Structures of Monolayer Silicenes on Ag(111)”, Chin. Phys. B 24, 087307 (5 pages) (2015).
*H. Ishida, Y. Hamamoto, Y. Morikawa, E. Minamitani, R. Arafune, N. Takagi, “Electronic Structure of the 4x4 Silicene Monolayer on Semi-Infinite Ag(111)”, New J. Phys. 17, 015013 (2015).
*N. Takagi, C.-L. Lin, K. Kawahara, E. Minamitani, N. Tsukahara, M. Kawai, R. Arafune, “Silicene on Ag(111): Geometric and Electronic Structures of a New Honeycomb Material of Si”, Prog. Surf. Sci. 90, 1 (2015).
R. Hiraoka, R. Arafune, N. Tsukahara, M. Kawai, *N. Takagi, “Transport Characteristics of a Single C60-Molecule Junction Revealed by Multiple Andreev Reflections”, Phys. Rev. B 90, 241405(R) (2014). (selected as Editor’s Suggestion).
M. Kanno, R. Arafune, C. –L. Lin, E. Minamitani, M. Kawai, *N. Takagi, “Electronic Decupling by h-BN Layer between Silicene and Cu(111): A DFT Based Analysis”, New J. Phys. 16, 105019 (2014).
N. Tsukahara, E. Minamitani, Y. Kim, M. Kawai, *N. Takagi, “Controlling Orbital-Selective Kondo Effects in a Single Molecule through Coordination Chemistry”,J. Chem. Phys. 141, 054702 (2014).
K. Kawahara, T. Shirasawa, R. Arafune, C. -L. Lin, T. Takahashi, M. Kawai, *N. Takagi, “Determination of Atomic Positions in Silicene on Ag(111) by Low-Energy Electron Diffraction”, Surf. Sci. 623, 25 (2014).
*N. Ohta, R. Arafune, N. Tsukahara, N. Takagi, M. Kawai, “Adsorbed States of Iron(II) Phthalocyanine on Ag(111) Studied by High-Resolution Electron Energy Loss Spectroscopy”, Surf. Interf. Anal. 46, pp.1253-1256 (2013).
E. Minamitani, *R. Arafune, M. Q. Yamamoto, N. Takagi, M. Kawai, Y. Kim, “Mode-Selective Electron-Phonon Coupling in Laser Photoemission on Cu(110)”, Phys. Rev. B 88, 224301 (2013).
N. Ohta, R. Arafune, N. Tsukahara, M. Kawai, *N. Takagi, “Enhancement of Inelastic Electron Tunneling Conductance Caused by Electronic Decoupling in Iron Phthalocyanine Bilayer on Ag(111)”, J. Phys. Chem. C 117, 21832 (2013).
*R. Arafune, C.-L. Lin, R. Nagao, M. Kawai, *N. Takagi, Comment on “Evidence for Dirac Fermions in a Honeycomb Lattice Based on Silicon”, Phys. Rev. Lett. 110, 229701 (2013).
C.-L. Lin, R. Arafune, K. Kawahara, M. Kanno, N. Tsukahara, E. Minamitani, Y. Kim, M. Kawai, *N. Takagi, “Substrate-Induced Symmetry Breaking in Silicene”, Phys. Rev. Lett. 110, 076801 (2013). (selected as Editor’s Suggestion).
*R. Arafune, C.-L. Lin, K. Kawahara, M. Kanno, N. Tsukahara, E. Minamitani, Y. Kim, *N. Takagi, M. Kawai,Surf. Sci. 608, 297 (2013).
*R. Arafune, H.-J. Shin, J. Jung, E. Minamitani, N. Takagi, Y. Kim, M. Kawai, “Combined Scanning Tunneling Microscopy and High-Resolution Electron Energy Loss Spectroscopy Study on the Adsorption State of CO on Ag(001)”, Langmuir 28, pp.13249-13252 (2012).
E. Minamitani, N. Tsukahara, D. Matsunaka, Y. Kim, *N. Takagi, M. Kawai, “Symmetry-Driven Novel Kondo Effect in a Molecule”, Phys. Rev. Lett. 109, 086602 (2012).
C-L. Lin, R. Arafune, K. Kawahara, N. Tsukahara, E. Minamitani, Y. Kim, *N. Takagi, M. Kawai, “Structure of Silicene Grown on Ag(111)”, Appl. Phys. Express 5, 045802 (2012).
*E. Minamitani, D. Matsunaka, N. Tsukahara, N. Takagi, M. Kawai, Y. Kim, “Density Functional Theory Calculation for Magnetism of Fe-Phthalocyanine Molecules on Au(111)”, e-Journal Surf. Sci. Nanotech. 10, 38 (2012).
N. Tsukahara, S. Shiraki, S. Itou, N. Ohta, *N. Takagi, M. Kawai, “Evolution of Kondo Resonance from a Single Impurity Molecule to the Two-Dimensional Lattice”, e-Journal Surf. Sci. Nanotech. 10, 38 (2012).
Y. Ie, T. Hirose, *M. Kiguchi, N. Takagi, M. Kawai, *H. Nakamura, *Y. Aso, “Nature of Electron Transport by Pyridine-Based Tripodal Anchors: Potential for Robust and Conductive Single-Molecule Junctions with Gold Electrodes”, J. Am. Chem. Soc. 133, 3014 (2011).
*R. Arafune, M. Yamamoto, N. Takagi, M. Kawai, “Mechanism of Vibrational Excitation in Inelastic Photoemission from Surfaces”, Phys. Rev. B 80, 073407 (2009).
Y. Ie, T. Hirose, A. Yao, T. Yamada, N. Takagi, M. Kawai, *Y. Aso, “Synthesis of Tripodal Anchor Units Bearing Selenium Functional Groups and Their Adsorption Behavior on Gold”, Phys. Chem. Chem. Phys. 11, pp.4949-4951 (2009).
N. Tsukahara, K. Noto, M. Ohara, S. Shiraki, Y. Takata, J. Miyawakai, M. Taguchi, A. Chainani, S. Shin, *N. Takagi,M. Kawai, “Adsorption-Induced Switching of Magnetic Anisotropy in a Single Iron(II) Phthalocyanine Molecule on Oxidized Cu(110) Surface”, Phys. Rev. Lett. 102, 167203 (2009).
Book/Chapter contributions, 日本語解説
N. Takagi, C.-L. Lin and R. Arafune, “Silicene on Ag(111)”, in Encyclopedia of Interfacial Chemistry - Surface Science and Electrochemistry, Ed. F. Netzer, Elsevier, 312-317 (2017).
N. Takagi and R. Hiraoka, “Electron Transport through a Single Molecule in Scanning Tunneling Microscopy Junction”, in Molecular Architectonics The Third Stage of Single Molecule Electronics, Ed. T. Ogawa, Springer, pp.355-379 (2017).
N. Takagi, C.-L. Lin, R. Arafune, “Silicene on Ag(111): Structure Evolution and Electronic Structure”, in Silicene - Structure, Properties and Applications, Eds. M. J. S. Spencer, T. Morishita, Springer, pp.143-165 (2016).
高木紀明, 塚原規志 “走査トンネル顕微分光が拓く近藤効果”, 固体物理 in press (2018).