• "Detection of paired domain walls in a ferromagnetic ring by a bend resistance measurement",
  M. Hara, T. Kimura and Y. Otani, Physica E 40, 1108 (2008).
  
  
• "Controlled depinning of domain walls in a ferromagnetic ring cuircuit",
  M. Hara, T. Kimura and Y. Otani, Appl. Phys. Lett. 90, 242504 (2007).
  
  
• "Magnetization process in a ferromagnetic disk measured by a semiconductor two-dimensional electron gas",
  M. Hara and Y. Otani, J. Appl. Phys. 101, 056107 (2007).
  
  
• "Rotational dynamics of paired nano-domain walls confined in an elliptical ring",
  M. Hara, J. Shibata, T. Kimura and Y. Otani, J. Magn. Magn. Mater. 310, 2452 (2007).
  
  
• "Current-induced vortex-vortex switching in a nanopillar comprising two Co nano-ring",
  T. Yang, A. Hirohata, M. Hara, T. Kimura and Y. Otani, Appl. Phys. Lett. 90, 092505 (2007).
  
  
• "Magnetic characterization and switching of Co nanorings in current-perpendicular-to-plane configuration",
  T. Yang, M. Hara, A. Hirohata, T. Kimura and Y. Otani, Appl. Phys. Lett. 90, 022504 (2007).
  
  
• "Temperature dependence of intrinsic switching current of a Co nanomagnet",
  T. Yang, A. Hirohata, M. Hara, T. Kimura and Y. Otani, Appl. Phys. Lett. 89, 252505 (2006).
  
  
• "Control of domain wall pinning by a switchable magnetic gate",
  M. Hara, J. Shibata, T. Kimura and Y. Otani, Appl. Phys. Lett. 89, 192504 (2006).
  
  
• "Detection of magnetic state in a nano-scale ferromagnetic ring by using ballistic semiconductor two-dimensional electron gas",
  M. Hara, J. Shibata, T. Kimura and Y. Otani, Appl. Phys. Lett. 88, 082501 (2006).