Preparation and characterization of Rb3C60 bulk single crystals

被引：3
|
作者：
Buntar, V
Halushka, M
Kuzmany, H
Sauerzopf, FM
Weber, HW
机构：
[1] Univ Vienna, Atominst, A-1020 Vienna, Austria
[2] Univ Vienna, Inst Mat Phys, A-1020 Vienna, Austria
来源：
SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2003年 / 16卷 / 08期
关键词：
D O I：
10.1088/0953-2048/16/8/313
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Rb3C60 crystals with a size of several tenths of a millimetre were prepared by doping C-60 crystals in rubidium vapour. Experiments with different annealing times and various annealing temperatures and temperature gradients were performed to assess the optimal conditions for homogeneous doping. The crystals were characterized by ac magnetization measurements. Doping at 463 K with 10% excess of rubidium and annealing at 685 K for 27 days were found to produce the best crystals with almost 100% of the superconducting Rb3C60 phase.
引用
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页码：907 / 910
页数：4
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