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    K.WAKAMURA wakamura@das.ous.ac.jp

    iPXXO[QOOONj_̂ 1990N

    1. K.Wakamura and T.Arai@"Effects of Spin Ordering on phonon and plasmon spectra, and
    ddielectric properties in magnetic semiconductors", Phase Transitions 27,129-164.

    2. K.Wakamura, F.Miura, A.Kojima, & T.Kanasiro,@"Observation on anomalously increasing
    pphonon damping constant in the -phase of the fast-ionic conductor Ag3SI"

    3. K.Wakamura,K.Hirokawa,,H.Shima, & K.Takarabe, "Phonon spectra in superionic and normal
    sstates of the layered crystal AgCrSe2", Solid State Ionics 40/41,331-333.

    4. K.Wakamura, "Correlation of longitudinal long-wavelength optical phonon frequenccy in
    KKCl", Solid State Commun.75, 269-274.

    5. K.Takarabe, K.Kawai, K.Wakamura & S.Minomura,"J.Cryst.Growth 99, 766-771.

    1992 N
    6. K.Wakamura, "Correlation among the transition and melting temperatures and dielectric
    pparameters in some fast ionic conductors" Solid State Commun.82, 705-710.

    7. K.Wakamura and K.Kita, "Spin sependent dielectric parameters in ferrimagetic semiconductor
    CCoCr2S4",Proc.2nd Int. Symp. on Phys. Mag. Mater,(Beijing,China)pp.117-120. 1993 N

    8. K.Wakamura, "Correlation between high ionic conduction and anomaly of dielectric property",
    SSolid State Commun.86, 503-507.

    9. K.Wakamura, "Thermal expansion and anharmonic phonon-phonon interaction effects on an effective @ @@charge in GaAs and KCl" J.Phys.Chem.Solids 54,387-395.

    1995 N

    10. K.Wakamura, S.Endo, & T.Irie,"Effect of annealing on phonon and free carrier spectra in
    @CuIn5S8",Cryst.Res.Technol.31,923-926. 1996 N

    11. K.Wakamura, K.Hirokawa, &Orita, "Observation of characteristic phonon spectra for cage and
    @ mobile ions in the layered superionic conductor AgCrS2", J.Phys.Chem.Solids 57,75-80

    12. K.Wakamura, M.Sugioka, K.Kawakami, & M.Kurita, "Photo induced narrowing of TO-LO
    @splitting and mobile defect in AgCl", Physica B219&220, 457-459.

    13. M.Aniya & K.Wakamura, "Temperature dependence of the dynamical effective charge in
    @Ag3SI", Solid State Ionics 86-88,183-186.

    14. M.Aniya & K.Wakamura, "Phonons and the mechanism of ion transport in some superionic
    @conductors", Physica B219&220,463-465.

    1997 N
    15. K.Wakamura, "Roles of phonon amplitude and low-energy optical phonons on superionic
    @@conduction", Phys.Rev.B56,11593-11599.

    1998 N
    16. K.Wakamura, "Effects of electronic band on activation energy and of effective charge on
    @lattice distortion in superionic conductors", J.Phys.Chem.Solids 59,591-598.

    17. K.Wakamura, A.Kojima & Y.Noda, "Infraredspectra and effective charge in superionic
    @ conductor CsPbCl3", Inst.Phys.Conf. Ser.No152, 515-518.

    18. M.Kurita, F.Akao, K.Nakagawa, & K.Wakamura, "Relationship between the interionic
    @distance and the band gap in the normal and and superionic phases in Ag3SI", Inst. Phys. @ Conf.Ser.No152, 673-676.

    1999 N
    19. K.Wakamura, "Origin of the low-energy mode in superionic conductors", Phys.Rev.B59,

    20. K.Wakamura, J.Kataki, & H.Takahashi, "Temperature dependence of vibrational spectra in
    @glass superionic conductors (AgI)x(AgPO3)1-x ", Physica B263-264,799-802.

    21. K.Wakamura and I.Tsubota, "Small band gap and high ionic conduction in Cu2S", Solid State
    @@Ionics. in press.

    22. K.Wakamura and Y.Hiraoka, "Temperature dependence of dielectric and phonon properties in
    @superionic conductor CuI", Solid State Ionics. in press.

    23. M.M.Sinha and K.Wakamura, "Study of phonons and normal mode analysis of superionic
    @conductors" Solid State Ionics. in press.

    24. K.Kurita,K.Nakagawa, and K.Wakamura, "Fundamental absorption edge of -AgI-type
    @superionic conductor Ag3SBr", Jpn.J.Appl.Phys.,in press.