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π-f composite metals
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DOI：10.1016/S0379-6779(00)01159-0.png)
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摘要
En 中文
Using the heavy rare-earth complex anions, [Ln(NCS)(6)](3-) (Ln = Ho, Er, Yb and Y), we have synthesized three series of metallic compounds, (BO)(x)[Ln(NCS)(6)], (TTP)(x)[Ln(NCS)(6)] (x approximate to 8) and (DIEDO)(6)[Ln(NCS)(6)]. The BO and TTP salts are metallic down to very low temperature, while the resistivity of the DIEDO salts increases below about 40 K. These are the first examples of stable metals based on organic pi -donors and rare-earth 4f ions.
Keyword:
organic conductors based on radical cation salts
transport measurements
conductivity
X-ray diffraction
magnetic measurements
