TY - JOUR
T1 - Unusual ferrimagnetism in RFe5Al7 (R= rare earth)
AU - Felner, I.
AU - Nowik, I.
AU - Baberschke, K.
AU - Nieuwenhuys, G. J.
PY - 1982/11
Y1 - 1982/11
N2 - The ThMn12 type structure RFe5Al7 intermetallic compounds display a wide variety of unusual magnetic phenomena: Huge thermal and magnetic hysteresis. First observation of large negative magnetization at low temperatures when sample is cooled in magnetic field. The temperature dependence of magnetization displays one or even, in some cases, two compensation points, and a sharp maximum. Time dependent magnetization (τ {reversed tilde equals} 200 sec) is observed for DyFe5Al7 at 33 K and linear field dependence up to 300 kOe is observed for TbFe5Al7 at 4.2 K. Most features of the magnetization curves can be explained in terms of a spin structure and model previously applied to RFe6Al6.
AB - The ThMn12 type structure RFe5Al7 intermetallic compounds display a wide variety of unusual magnetic phenomena: Huge thermal and magnetic hysteresis. First observation of large negative magnetization at low temperatures when sample is cooled in magnetic field. The temperature dependence of magnetization displays one or even, in some cases, two compensation points, and a sharp maximum. Time dependent magnetization (τ {reversed tilde equals} 200 sec) is observed for DyFe5Al7 at 33 K and linear field dependence up to 300 kOe is observed for TbFe5Al7 at 4.2 K. Most features of the magnetization curves can be explained in terms of a spin structure and model previously applied to RFe6Al6.
UR - http://www.scopus.com/inward/record.url?scp=0020208114&partnerID=8YFLogxK
U2 - 10.1016/0038-1098(82)90584-1
DO - 10.1016/0038-1098(82)90584-1
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AN - SCOPUS:0020208114
SN - 0038-1098
VL - 44
SP - 691
EP - 693
JO - Solid State Communications
JF - Solid State Communications
IS - 5
ER -