Magnetic,Electric and Thermal Properties of NdNiAl_4 Single Crystal

概要

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The electrical resistivity, umagnetization, specific heat and therrnoelectric power naeasurertaentswere performed on a NdNiAl.j single crystal along the principal axes of' the orthorhotaabic cell.The easy axis of magnetization was parallel to the b axis below 20 K. The spin-flipping wasobserved at tlae unagnetic field 4.4T along the b axis at 2K. Tlae naagnetic phase diagrana wasdetermined from the spin-flipping field. Tlae htrge tnagnetic anisotropy energy was estitn?ttedfrozn the experinaents of' the magnetic susceptibility and magnetization. The energy gap newlyoccurred below 'Z'N was observed in the electrical resistivity along tlae b axis. Froun this result wehave speculated that a new nuagnetic periodicity is zaaade along the b axis below V'N. The magneticstrsceptibility for the principal axes was discussed on the bases of the crystalline-electric-field andmolecular-field theories.
社団法人日本物理学会の論文
1999-02-15