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Superconducting RNi 2 B 2 C (R = Y, Lu) nanoparticles: Size effects and weak links
Author(s) -
Maser Wolfgang K.,
Bernier Patrick,
Luk'yanchuk Igor,
Molinié Philippe,
Lefrant Serge,
Redlich Philipp,
Ajayan Pulickel M.
Publication year - 1997
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.19970090612
Subject(s) - materials science , boron carbide , superconductivity , nanoparticle , intermetallic , carbide , boron , characterization (materials science) , analytical chemistry (journal) , nanotechnology , condensed matter physics , metallurgy , physics , organic chemistry , nuclear physics , chemistry , alloy
The potential of the are discharge technique for the growth of complex nanocrystallien systems is demonstrated here with the formation of quaternary superconducting nanoparticles belonging to the recently discovered intermetallic boron carbide family RNi 2 B 2 C (R = Y, Lu). The nanoparticles, which were embedded in a glassy carbon matrix and had T c – 15 K, are reported to exhibit magnetic behavior characterized by finite size effects and weak Josephson links between the particles. The formation and characterization of the nanoparticles are detailed.