TY - JOUR
T1 - Study on Co-Cr alloy cluster assembling process by magneto-optical Kerr effect
AU - Hihara, T.
AU - Sumiyama, K.
AU - Konno, T. J.
AU - Wakoh, K.
PY - 1999/4/1
Y1 - 1999/4/1
N2 - Nanometric Co-10at% Cr alloy-cluster assembled films have been produced by a plasma-gas-condensation method, and examined by transmission electron microscopy and the magneto-optical Kerr effect. With increasing the average weight thickness t we found that the Co-Cr clusters coalesce to form a large network. This formation took place more rapidly among clusters with an average cluster size of d = 2.4 nm than with those of d = 4.6 nm. The isolated Co-Cr clusters are superparamagnetic when t<2 nm. With increasing t, the transition from superparamagnet to ferromagnet occurs more rapidly in the system with d = 2.4 nm than in that with d = 4.6 nm, in accordance with their morphological characteristics.
AB - Nanometric Co-10at% Cr alloy-cluster assembled films have been produced by a plasma-gas-condensation method, and examined by transmission electron microscopy and the magneto-optical Kerr effect. With increasing the average weight thickness t we found that the Co-Cr clusters coalesce to form a large network. This formation took place more rapidly among clusters with an average cluster size of d = 2.4 nm than with those of d = 4.6 nm. The isolated Co-Cr clusters are superparamagnetic when t<2 nm. With increasing t, the transition from superparamagnet to ferromagnet occurs more rapidly in the system with d = 2.4 nm than in that with d = 4.6 nm, in accordance with their morphological characteristics.
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U2 - 10.1002/(SICI)1521-396X(199904)172:2<397::AID-PSSA397>3.0.CO;2-Y
DO - 10.1002/(SICI)1521-396X(199904)172:2<397::AID-PSSA397>3.0.CO;2-Y
M3 - Article
AN - SCOPUS:0032682631
VL - 172
SP - 397
EP - 405
JO - Physica Status Solidi (A) Applied Research
JF - Physica Status Solidi (A) Applied Research
SN - 0031-8965
IS - 2
ER -