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Yamamoto, Etsuji; Aoki, Dai*; Homma, Yoshiya*; Shiokawa, Yoshinobu; Haga, Yoshinori; Nakamura, Akio; Onuki, Yoshichika
Physica B; Condensed Matter, 359-361, p.1099 - 1101, 2005/04
Times Cited Count:7 Percentile:33.74(Physics, Condensed Matter)We succeeded in growing a high-quality single crystal of NpTGa (T=Fe, Co, Ni) with the tetragonal structure by the Ga-flux method and measured the electrical resistivity, magnetic susceptibility and magnetization. NpFeGa and NpCoGa are antiferromagnets with a Nel temperature of 116 K and 47 K, respectively. On the other hand, NpNiGa orders ferromagnetically below 30 K, but changes into another magnetic state with an antiferromagnetic character at 18 K.