π-f composite metals

π-f composite metals
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π-f复合金属

DOI:
10.1016/s0379-6779(00)01159-0
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发表时间:
2001
期刊:
影响因子:
4.4
通讯作者:
K. Tanaka
K. Tanaka
中科院分区:
材料科学3区
文献类型:
--
作者:
M. Tamura;K. Yamanaka;Y. Mori;Y. Nishio;K. Kajita;H. Mori;Shōji Tanaka;J. Yamaura;T. Imakubo;R. Kato;Y. Misaki;K. Tanaka

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利用重稀土配合阴离子[Ln (NCS) 6] 3-(Ln= Ho, Er, Yb和Y),合成了(BO) x [Ln (NCS) 6],(TTP) x [Ln (NCS) 6](x≈8)和(DIEDO) 6 [Ln (NCS) 6]三个系列的金属化合物。BO和TTP盐在非常低的温度下是金属的,而DIEDO盐的电阻率在约40 K以下增加。这是基于有机π给体和稀土离子的稳定金属的第一个例子。
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≈ 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 π-donors and rare-earth 4f ions.