16 15 W.P. Osmond, Proc. Phys. Soc. 87 , 335 (1966). 14 P.W. Anderson, Solid State Physics , edited by F. Seiz and D. Turnbull (Academic Press, New York and London, 1963) 14 , 99. 13 J. Kanamori, J. Phys. Chem. Solid 10 , 87 (1959). 12 J.B. Goodenough, Magnetism and the Chemical Bond (John-Wiley & Sons, New York, 1963). 11 J.B. Goodenough, Phys. Rev. 117 , 1142 (1960). 10 H. Bizette and B. Tsai, Colloque sur la polarization de la matere cited by Lidiard (Paris, C.N.R.S., 1949) 164, Reports on Progr. in Phys. 17 , 201 (1954). 9 T. Nagamiya, Solid State Physics , edited by F. Seiz, D. Turnbull, and H. Ehrenreich, 20 , 305 (Academic Press, New York,1967). 8 H. Sato, T. Enoki, M. Isobe, and Y. Ueda, Phys. Rev. B 7 H. Sato, Y. Kawamura, T. Ogawa, Y. Murakami, H. Ohsumi, M. Mizumaki, and N. Ikeda, Physica B 329 – 333 , 757 (2003). 6 H. Sato, K. Wakiya, T. Enoki, T. Kiyama, Y. Wak- abayashi, H. Nakano, and Y. Murakami, J. Phys. Soc. Jpn. 70 , 37 (2001). 5 M. Regulski, R.Przenioslo, I. Sosnowska, and J.-U. Hoff- mann, J. Phys. Soc. Jpn. 73 , 3444 (2004). 4 M. Regulski, R.Przenioslo, I. Sosnowska, and J.-U. Hoff- mann, Phys. Rev. B 68 , 172401 (2003). 3 N. Ohama and Y. Hamaguchi, J. Phys. Soc. Jpn. 30 , 1311 (1971). 2 A. Yoshimori, J. Phys. Soc. Jpn. 14 , 807 (1959). 1 R.A. Erickson, Phys. Rev. 90 , 779 (1953). † itsuko@binghamton.edu ∗ suzuki@binghamton.edu 61 , 3563 (2000).