1. T. Kimura, J. Hamrle, Y. Otani, K. Tsukagoshi, and Y. Aoyagi,
   "Enhancement of nonlocal spin-valve signal using spin accumulation in local spin-valve configuration",
   Appl. Phys. Lett. 85, 5382~5384 (2004).
   
   
2. T. Kimura, J. Hamrle, Y. Otani, K. Tsukagoshi, and Y. Aoyagi,
   "Suppression of spin accumulation in nonmagnet due to ferromagnetic ohmic contact",
   Appl. Phys. Lett. 85, 3795~3796 (2004).
   
   
3. T. Kimura, J. Hamrle, Y. Otani, K. Tsukagoshi, and Y. Aoyagi,
   "Spin-dependent boundary resistance in the lateral spin valve structure",
   Appl. Phys. Lett. 85, 3501~3503 (2004).
   
   
4. Y. Otani,
   "Various magnetic properties of nanoscale magnetic disk arrays (in Japanese)",
   Pality 19 No.4, 44~48 (2004).
   
   
5. K. Akabane, T. Kimura, and Y. Otani,
   "Development of high sensitive micro-Kerr magnetometer (in Japanese)",
   J. Magn. Soc. Jpn. 28, 122~127 (2004).
   
   
6. T. Kimura, Y. Otani, I. Yagi, K. Tsukagoshi, and Y. Aoyagi,
   "Domain wall drag due to dc current injection into ferromagnetic nano-wires",
   J. Magn. Magn. Mater. 272-276, E1347~E1348 (2004).
   
   
7. T. Kimura, Y. Otani, K. Tsukagoshi, and Y. Aoyagi,
   "Non-local Hall resistance measured in submicron-scale non-magnetic/ferromagnetic junctions Domain wall drag due to dc current injection into ferromagnetic nano-wires",
   J. Magn. Magn. Mater. 272-276, E1333~E1334 (2004).
   
   
8. J. Shibata, K. Shigeto, and Y. Otani,
   "Dynamics of nano-scale magnetic vortices in ferromagnetic dot arrays",
   J. Magn. Magn. Mater. 272-276, 1688~1689 (2004).
   
   
9. G. Counil, J.-V. Kim, K. Shigeto, Y. Otani, T. Devolder, P. Crozat, H. Hurdequint, and C. Chappert,
   "Inductive measurement of the high frequency permeability of a Permalloy thin film Dynamics of nano-scale magnetic vortices in ferromagnetic dot arrays",
   J. Magn. Magn. Mater. 272-276, 290~292 (2004).
   
   
10. J. Shibata, and Y. Otani,
    "Magnetic vortex dynamics in a two-dimensional square lattice of ferromagnetic nanodisks",
    Phys. Rev. B 70, 012404-1~4 (2004).
    
    
11. G. N. Kakazei, P. E. Wigen, K. Y. Guslienko, V. Novosad, A. N. Slavin, V. O. Golub, N. A. Lesnik, and Y. Otani,
    "Spin-wave spectra of perpendicularly magnetized circular submicron dot arrays",
    Appl. Phys. Lett. 85, 443~445 (2004).
    
    
12. Y. Otani,
    Chapter 9 "Magnetic properties of magnetic dot arrays" in "Basics and frontiers of spin electronics (in Japanese)",
    CMC Press, Tokyo, Japan, 105~116 (2004).
    
    
13. G. Counil, J.-V. Kim, T. Devolder, C. Chappert, K. Shigeto, and Y. Otani,
    "Spin wave contributions to the high-frequency magnetic response of thin films obtained with inductive methods",
    J. Appl. Phys. 95, 5646~5652 (2004).