論文・講演



学術論文


2015年
  1. M. Mochizuki
    Theory of Magnetic-Field-Induced Polarization Flop in Spin-Spiral Multiferroics
    Phys. Rev. B 92, 224412 (2015).
    DOI: 10.1103/PhysRevB.92.224412 (arXiv:1511.07960)


  2. M. Mochizuki
    Creation of Skyrmions by Electric Field on Chiral-Lattice Magnetic Insulators
    Advanced Electronic Materials 1, 1500180 (2015)
    DOI: 10.1002/aelm.201500180 (arXiv:1511.07123)


  3. I. Kezsmarki, S. Bordács, P. Milde, E. Neuber, L. M. Eng, J. S. White, H. M. Ronnow, C. D. Dewhurst, M. Mochizuki, K. Yanai, H. Nakamura, D. Ehlers, V. Tsurkan, A. Loidl
    Neel-type skyrmion lattice with confined orientation in the polar magnetic semiconductor GaV4S8
    Nature Materials 14, 1116-1122 (2015).
    DOI: 10.1038/nmat4402 (arXiv:1502.08049)


  4. M. Mochizuki and Y. Watanabe
    Writing a skyrmion on multiferroic materials
    Appl. Phys. Lett. 107, 082409 (2015).
    DOI: 10.1063/1.4929727 (arXiv:1511.08433)


  5. M. Matsubara, S. Manz, M. Mochizuki, T. Kubacka, A. Iyama, N. Aliouane, T. Kimura, S. Johnson, D. Meier, and M. Fiebig
    Magnetoelectric domain control in multiferroic TbMnO3
    Science 348, 1112-1115 (2015).
    DOI: 10.1126/science.1260561


  6. M. Mochizuki
    Microwave Magnetochiral Effect in Cu2OSeO3
    Phys. Rev. Lett. 114, 197203 (2015).
    DOI: 10.1103/PhysRevLett.114.197203 (arXiv:1504.05864)


2014年
  1. M. Mochizuki, X. Z. Yu, S. Seki, N. Kanazawa, W. Koshibae, J. Zang, M. Mostovoy, Y. Tokura, N. Nagaosa
    Thermally driven ratchet motion of a skyrmion microcrystal and topological magnon Hall effect
    Nature Materials 13, 241-246 (2014).
    DOI: 10.1038/nmat3862


2013年
  1. J. Iwasaki, M. Mochizuki, and N. Nagaosa
    Current-induced skyrmion dynamics in constricted geometries
    Nature Nanotechnology 8, 742-747 (2013).


  2. Y. Okamura, F. Kagawa, M. Mochizuki, M. Kubota, S. Seki, S. Ishiwata, M. Kawasaki, Y. Onose, Y. Tokura
    Microwave magnetoelectric effect via skyrmion resonance modes in a helimagnetic multiferroic
    Nature Communications 4, 3391 (2013).


  3. M. Mochizuki, and S. Seki
    Magnetoelectric resonances and predicted microwave diode effect of the skyrmion crystal in a multiferroic chiral-lattice magnet
    Physical Review B 87, 134403 (2013).


  4. J. Iwasaki, M. Mochizuki, and N. Nagaosa
    Universal current-velocity relation of skyrmion motion in chiral magnets
    Nature Communications 4, 1463 (2013).


2012年
  1. Y. Shiomi, M. Mochizuki, Y. Kaneko, and Y. Tokura
    Hall Effect of Spin-Chirality Origin in a Triangular-Lattice Helimagnet Fe1.3Sb
    Phys. Rev. Lett. 108, 056601 (2012).


  2. H. Wadati, M. Mochizuki et al.
    Origin of the Large Polarization in Multiferroic YMnO3 Thin Films Revealed by Soft- and Hard-X-Ray Diffraction
    Phys. Rev. Lett. 108, 047203 (2012).


  3. M. Mochizuki
    Spin-Wave Modes and Their Intense Excitation Effects in Skyrmion Crystals
    Phys. Rev. Lett. 108, 017601 (2012).


2011年
  1. M. Mochizuki, N. Furukawa and N. Nagaosa
    Theory of spin-phonon coupling in multiferroic manganese perovskites RMnO3
    Phys. Rev. B 84, 144409 (2011). Editors' Suggestionに選ばれました!


  2. P. Rovillain, M. Cazayous, Y. Gallais, M-A. Measson, A. Sacuto, H. Sakata, and M. Mochizuki
    Magnetic Field Induced Dehybridization of the Electromagnons in Multiferroic TbMnO3
    Phys. Rev. Lett. 107, 027202 (2011).


2010年
  1. M. Mochizuki and N. Furukawa
    Theory of Magnetic Switching of Ferroelectricity in Spiral Magnets
    Phys. Rev. Lett. 105, 187601 (2010).


  2. M. Mochizuki and N. Nagaosa
    Theoretically Predicted Picosecond Optical Switching of Spin Chirality in Multiferroics
    Phys. Rev. Lett. 105, 147202 (2010).


  3. M. Mochizuki, N. Furukawa and N. Nagaosa
    Spin Model of Magnetostrictions in Multiferroic Mn Perovskites
    Phys. Rev. Lett. 105, 037205 (2010).


  4. M. Mochizuki, N. Furukawa and N. Nagaosa
    Theory of Electromagnons in the Multiferroic Mn Perovskites: The Vital Role of Higher Harmonic Components of the Spiral Spin Order
    Phys. Rev. Lett. 104, 177206 (2010).


  5. N. Furukawa and M. Mochizuki
    Roles of Bond Alternation in Magnetic Phase Diagram of RMnO3
    J. Phys. Soc. Jpn. 79, 033708 (2010).


2009年
  1. M. Tokunaga, Y. Yamasaki, Y. Onose, M. Mochizuki, N. Furukawa and Y. Tokura
    Novel Multiferroic State of Eu1-xYxMnO3 in High Magnetic Fields
    Phys. Rev. Lett. 103, 187202 (2009).


  2. M. Mochizuki and N. Furukawa
    Microscopic Model and Phase Diagrams of the Multiferroic Perovskite Manganites
    Phys. Rev. B 80, 134416 (2009).


  3. M. Mochizuki and N. Furukawa
    Mechanism of Lattice-Distortion-Induced Electric-Polarization Flop in the Multiferroic Perovskite Manganites
    J. Phys. Soc. Jpn. 78, 053704 (2009).


  4. F. Kagawa, M. Mochizuki, Y. Onose, H. Murakawa, Y. Kaneko, N. Furukawa and Y. Tokura
    Dynamics of Multiferroic Domain Wall in Spin-Cycloidal Ferroelectric DyMnO3
    Phys. Rev. Lett. 102, 057604 (2009).


2008年
  1. Y. Takahashi, N. Kida, Y. Yamasaki, J. Fujioka, T. Arima, R. Shimano, S. Miyahara, M. Mochizuki, N. Furukawa and Y. Tokura
    Evidence for an Electric-Dipole Active Continuum Band of Spin Excitations in Multiferroic TbMnO3
    Phys. Rev. Lett. 101, 187201 (2008).


2007年
  1. D. Yoshizumi, Y. Muraoka, Y. Okamoto, Y. Kiuchi, J. Yamaura, M. Mochizuki, M. Ogata and Z. Hiroi
    Precise Control of Band Filling in NaxCoO2
    J. Phys. Soc. Jpn. 76, 063705 (2007).


  2. M. Mochizuki, H. Q. Yuan and M. Ogata
    Specific Heat and Superfluid Density for Possible Two Different Superconducting States in NaxCoO2・yH2O
    J. Phys. Soc. Jpn. 76, 023702 (2007).


  3. M. Mochizuki and M. Ogata
    CoO2-Layer-Thickness Dependence of Magnetic Properties and Possible Two Different Superconducting States in NaxCoO2・yH2O
    J. Phys. Soc. Jpn. 76, 013704 (2007).


2006年
  1. M. Mochizuki and M. Ogata
    Deformation of Electronic Structures Due to CoO6 Distortion and Phase Diagrams of NaxCoO2・yH2O
    J. Phys. Soc. Jpn. 75, 113703 (2006).


2005年
  1. Y. Yanase, M. Mochizuki and M. Ogata
    Role of Spin-Orbit Coupling on the Spin Triplet Pairing in NaxCoO2・yH2O II: Multiple Phase Diagram under the Magnetic Field
    J. Phys. Soc. Jpn. 74, 3351-3364 (2005)


  2. Y. Yanase, M. Mochizuki and M. Ogata
    Role of Spin-Orbit Coupling on the Spin Triplet Pairing in NaxCoO2・yH2O I: d-Vector under Zero Magnetic Field
    J. Phys. Soc. Jpn. 74, 2568-2578 (2005).


  3. M. Mochizuki, Y. Yanase and M. Ogata
    Ferromagnetic and Triplet-Pairing Instabilities Controlled by Trigonal Distortion of CoO6 Octahedra in NaxCoO2・yH2O
    J. Phys. Soc. Jpn. 74, 1670-1673 (2005).


  4. Y. Yanase, M. Mochizuki and M. Ogata
    Multi-Orbital Analysis on the Superconductivity in NaxCoO2・yH2O
    J. Phys. Soc. Jpn. 74, 430-444 (2005).


  5. M. Mochizuki, Y. Yanase and M. Ogata
    Ferromagnetic Fluctuation and Possible Triplet Superconductivity in NaxCoO2・yH2O: Fluctuation-Exchange Study of the Multiorbital Hubbard Model
    Phys. Rev. Lett. 94, 147005 (2005).


2004年以前
  1. M. Mochizuki and M. Imada
    G-Type Antiferromagnetism and Orbital Ordering Due to the Crystal Field from the Rare-Earth Ions Induced by the GdFeO3-Type Distortion in RTiO3 with R=La, Pr, Nd and Sm
    J. Phys. Soc. Jpn. 73, 1833-1850 (2004).


  2. M. Mochizuki and M. Imada
    Orbital-Spin Structure and Lattice Coupling in RTiO3 Where R=La, Pr, Nd and Sm
    Phys. Rev. Lett. 91, 167203 (2003).


  3. M. Mochizuki
    Spin and Orbital States and Their Phase Transitions of the Perovskite-Type Ti Oxides: Weak Coupling Approach
    J. Phys. Soc. Jpn. 71, 2039-2047 (2002).


  4. M. Mochizuki and M. Imada
    Origin of G-Type Antiferromagnetism and Orbital-Spin Structures in LaTiO3
    J. Phys. Soc. Jpn. 70, 2872-2875 (2001).


  5. M. Mochizuki and M. Imada
    Magnetic and Orbital States and Their Phase Transition of the Perovskite-Type Ti Oxides: Strong Coupling Approach
    J. Phys. Soc. Jpn. 70, 1777-1789 (2001).


  6. M. Mochizuki and M. Imada
    Magnetic Phase Transition of the Perovskite-Type Ti Oxides
    J. Phys. Soc. Jpn. 69, 1982-1985 (2000).