TY - JOUR
T1 - Evidence of formation of magnetic polaron states in semimetallic Gd-monopnictides
AU - Li, D. X.
AU - Haga, Y.
AU - Shida, H.
AU - Omino, A.
AU - Suzuki, T.
PY - 1995/1
Y1 - 1995/1
N2 - Large stoichiometric and nonstoichiometric single crystals of the gadolinium monopnictides GdX (X = P, As, Sb, Bi) have been grown for the first time by the mineralization method. Magnetic and transport properties of stoichiometric and nonstoichiometric samples are found to be very different. The weak ferromagnetism and the negative magnetoresistivity observed in nonstoichiometric samples of GdP and GdAs at low temperatures and low magnetic fields can be considered as clear evidence of the formation of trapped magnetic polaron states in gadolinium monopnictide systems.
AB - Large stoichiometric and nonstoichiometric single crystals of the gadolinium monopnictides GdX (X = P, As, Sb, Bi) have been grown for the first time by the mineralization method. Magnetic and transport properties of stoichiometric and nonstoichiometric samples are found to be very different. The weak ferromagnetism and the negative magnetoresistivity observed in nonstoichiometric samples of GdP and GdAs at low temperatures and low magnetic fields can be considered as clear evidence of the formation of trapped magnetic polaron states in gadolinium monopnictide systems.
KW - A. magnetically ordered materials
KW - D. electronic transport
KW - D. exchange and superexchange
KW - D. recombination and trapping
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U2 - 10.1016/0038-1098(94)00784-5
DO - 10.1016/0038-1098(94)00784-5
M3 - Article
AN - SCOPUS:0029196588
SN - 0038-1098
VL - 93
SP - 319
EP - 322
JO - Solid State Communications
JF - Solid State Communications
IS - 4
ER -