NEW SUPERCONDUCTING AND MAGNETIC R-T-B-C SYSTEMS (R=RARE EARTH T=NI, PD)

被引:20
作者
GUPTA, LC
NAGARAJAN, R
HOSSAIN, Z
MAZUMDAR, C
DHAR, SK
GODART, C
LEVYCLEMENT, C
PADALIA, BD
VIJAYARAGHAVAN, R
机构
[1] INDIAN INST TECHNOL,DEPT PHYS,BOMBAY 400076,MAHARASHTRA,INDIA
[2] CNRS,UPR 209,F-92195 MEUDON,FRANCE
[3] CNRS,PHYS SOLIDES LAB,F-92195 MEUDON,FRANCE
关键词
D O I
10.1016/0304-8853(94)01592-9
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Our discovery of superconductivity in Y-Ni-B-C system (T-c similar to 12 K) has opened up a new field in superconductivity and magnetism in intermetallics. A brief description of the discovery of these new borocarbide materials is given. We have synthesised NdNi2B2C and GdNi2B2C for the first time and our measurements show that NdNi2B2C (T-m similar to 5 K) and GdNi2B2C (T-m similar to 19 K) undergo magnetic ordering. CeNi2B2C does not exhibit magnetic ordering down to 4.2 K; the magnitude of its magnetic susceptibility is consistent with Ce ions in mixed valence state. We comment on the magnetic properties of the two superconducting materials ErNi2B2C and LuNi2B2C.
引用
收藏
页码:2053 / 2054
页数:2
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